carousel.rs revision 1eccd028e704c15e842c1f23254d77a1a0a4cae0
15ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller/* 25ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Copyright (C) 2010 The Android Open Source Project 35ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 45ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Licensed under the Apache License, Version 2.0 (the "License"); 55ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * you may not use this file except in compliance with the License. 65ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * You may obtain a copy of the License at 75ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 85ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * http://www.apache.org/licenses/LICENSE-2.0 95ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * 105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * Unless required by applicable law or agreed to in writing, software 115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * distributed under the License is distributed on an "AS IS" BASIS, 125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * See the License for the specific language governing permissions and 145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller * limitations under the License. 155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller */ 165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma version(1) 185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma rs java_package_name(com.android.ex.carousel); 195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#pragma rs set_reflect_license() 205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller#include "rs_graphics.rsh" 225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct __attribute__((aligned(4))) Card { 246f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // *** Update initCard if you add/remove fields here. 257cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_allocation texture; // basic card texture 267cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_allocation detailTexture; // screen-aligned detail texture 277cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller float2 detailTextureOffset; // offset to add, in screen coordinates 28b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float2 detailLineOffset; // offset to add to detail line, in screen coordinates 295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_mesh geometry; 307cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 matrix; // custom transform for this card/geometry 317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller int textureState; // whether or not the primary card texture is loaded. 327cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller int detailTextureState; // whether or not the detail for the card is loaded. 335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int geometryState; // whether or not geometry is loaded 345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int visible; // not bool because of packing bug? 3543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int64_t textureTimeStamp; // time when this texture was last updated, in seconds 3643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int64_t detailTextureTimeStamp; // time when this texture was last updated, in seconds 375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Card_t; 385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct Ray_s { 405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 position; 415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 direction; 425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} Ray; 435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Plane_s { 4543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 point; 4643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 normal; 4743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float constant; 4843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Plane; 4943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 5043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millertypedef struct Cylinder_s { 5143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float3 center; // center of a y-axis-aligned infinite cylinder 5243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float radius; 5343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} Cylinder; 5443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millertypedef struct PerspectiveCamera_s { 565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 from; 575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 at; 585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 up; 595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float fov; 605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect; 615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float near; 625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float far; 635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} PerspectiveCamera; 645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 65420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millertypedef struct FragmentShaderConstants_s { 66420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float fadeAmount; 67420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} FragmentShaderConstants; 68420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request states. Used for loading 3D object properties from the Java client. 705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Typical properties: texture, geometry and matrices. 715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerenum { 725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_INVALID = 0, // item hasn't been loaded 735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADING, // we've requested an item but are waiting for it to load 745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller STATE_LOADED // item was delivered 755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 774a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney// Detail texture alignments ** THIS LIST MUST MATCH THOSE IN CarouselView.java *** 784a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyenum { 794a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is centered vertically with respect to the card **/ 804a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_VERTICAL = 1, 814a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the top edge of the carousel view **/ 824a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_TOP = 1 << 1, 834a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is aligned with the bottom edge of the carousel view (not yet implemented) **/ 844a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VIEW_BOTTOM = 1 << 2, 854a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned above the card (not yet implemented) **/ 864a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ABOVE = 1 << 3, 874a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Detail is positioned below the card **/ 884a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney BELOW = 1 << 4, 894a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control vertical alignment **/ 904a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney VERTICAL_ALIGNMENT_MASK = 0xff, 914a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 924a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 934a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is centered horizontally with respect to either the top or bottom 944a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * extent of the card, depending on whether the detail is above or below the card. 954a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 964a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney CENTER_HORIZONTAL = 1 << 8, 974a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 984a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the left edge of either the top or the bottom of 994a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1004a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1014a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney LEFT = 1 << 9, 1024a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** 1034a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * Detail is aligned with the right edge of either the top or the bottom of 1044a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * the card, depending on whether the detail is above or below the card. 1054a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * (not yet implemented) 1064a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney */ 1074a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney RIGHT = 1 << 10, 1084a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney /** Mask that selects those bits that control horizontal alignment **/ 1094a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney HORIZONTAL_ALIGNMENT_MASK = 0xff00, 1104a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney}; 1114a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney 1125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Client messages *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 1135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_CARD_SELECTED = 100; 114594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumastatic const int CMD_CARD_LONGPRESS = 110; 1155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_TEXTURE = 200; 1165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_TEXTURE = 210; 1175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_REQUEST_GEOMETRY = 300; 1185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_INVALIDATE_GEOMETRY = 310; 1195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_STARTED = 400; 1205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int CMD_ANIMATION_FINISHED = 500; 1217cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_REQUEST_DETAIL_TEXTURE = 600; 1227cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_INVALIDATE_DETAIL_TEXTURE = 610; 1237cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerstatic const int CMD_PING = 1000; 1245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 125be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Drag model *** THIS LIST MUST MATCH THOSE IN CarouselRS.java. *** 126be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_SCREEN_DELTA = 0; // Drag relative to x coordinate of motion vector 127be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_PLANE = 1; // Drag relative to projected point on plane of carousel 128be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_INSIDE = 2; // Drag relative to point on inside of cylinder 129be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic const int DRAG_MODEL_CYLINDER_OUTSIDE = 3; // Drag relative to point on outside of cylinder 130be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Constants 1321eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic const int ANIMATION_DELAY_TIME = 100; // hold off scale animation until this time 1335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const int ANIMATION_SCALE_TIME = 200; // Time it takes to animate selected card, in ms 1341eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic const float3 SELECTED_SCALE_FACTOR = { 0.1f, 0.1f, 0.1f }; // increase by this % 13543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float OVERSCROLL_SLOTS = 1.0f; // amount of allowed overscroll (in slots) 1365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Debug flags 1387cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugCamera = false; // dumps ray/camera coordinate stuff 13943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugSelection = false; // logs selection events 1407cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugTextureLoading = false; // for debugging texture load/unload 1417cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerconst bool debugGeometryLoading = false; // for debugging geometry load/unload 1427c09ccce478100d75e4427d87866ff19d758ae7aJim Shumaconst bool debugDetails = false; // for debugging detail texture geometry 143b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerconst bool debugRendering = false; // flashes display when the frame changes 14443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerconst bool debugRays = false; // shows visual depiction of hit tests, See renderWithRays(). 1455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Exported variables. These will be reflected to Java set_* variables. 1475ce730797a8a7278dfe19dac8a9460b25675fed0Jim MillerCard_t *cards; // array of cards to draw 1485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat startAngle; // position of initial card, in radians 1495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint slotCount; // number of positions where a card can be 1505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint cardCount; // number of cards in stack 1515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint visibleSlotCount; // number of visible slots (for culling) 1527cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerint visibleDetailCount; // number of visible detail textures to show 1534fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumaint prefetchCardCount; // how many cards to keep in memory 1544a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinneyint detailTextureAlignment; // How to align detail texture with respect to card 155fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerbool forceBlendCardsWithZ; // Enable depth buffer while blending 1567c09ccce478100d75e4427d87866ff19d758ae7aJim Shumabool drawRuler; // whether to draw a ruler from the card to the detail texture 1575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat radius; // carousel radius. Cards will be centered on a circle with this radius 1585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerfloat cardRotation; // rotation of card in XY plane relative to Z=1 15983d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinneybool cardsFaceTangent; // whether cards are rotated to face along a tangent to the circle 160c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat swaySensitivity; // how much to rotate cards in relation to the rotation velocity 161c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat frictionCoeff; // how much to slow down the carousel over time 162c0bb8af58ae15674178f2db240283719918c6f28Jim Shumafloat dragFactor; // a scale factor for how sensitive the carousel is to user dragging 163420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerint fadeInDuration; // amount of time (in ms) for smoothly switching out textures 164420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerfloat rezInCardCount; // this controls how rapidly distant card textures will be rez-ed in 165a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerfloat detailFadeRate; // rate at which details fade as they move into the distance 16643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerfloat4 backgroundColor; 167be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerint dragModel = DRAG_MODEL_SCREEN_DELTA; 168fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreAlphaZ; 169fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreAlphaNoZ; 170fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreNoAlphaZ; 171fb179e7afd8f02be63061b478b0283e3085fc25fJim Millerrs_program_store programStoreNoAlphaNoZ; 172a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment singleTextureFragmentProgram; 173a9e9c4bef076e718094786edfe0290f798e1db4bJim Millerrs_program_fragment multiTextureFragmentProgram; 1745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_vertex vertexProgram; 1755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_program_raster rasterProgram; 1765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation defaultTexture; // shown when no other texture is assigned 1775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_allocation loadingTexture; // progress texture (shown when app is fetching the texture) 1789afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerrs_allocation backgroundTexture; // drawn behind everything, if set 1797cb0068e59dde61ef0e649735199e5ba31c9c6afJim Millerrs_allocation detailLineTexture; // used to draw detail line (as a quad, of course) 180420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_allocation detailLoadingTexture; // used when detail texture is loading 1815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh defaultGeometry; // shown when no geometry is loaded 1825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_mesh loadingGeometry; // shown when geometry is loading 1835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 projectionMatrix; 1845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerrs_matrix4x4 modelviewMatrix; 185420b44b8b11ec1c309ea130e69a6876325dbfef9Jim MillerFragmentShaderConstants* shaderConstants; 186420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerrs_sampler linearClamp; 1875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 188be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller#pragma rs export_func(createCards, copyCards, lookAt, setRadius) 189594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma#pragma rs export_func(doStart, doStop, doMotion, doLongPress, doSelection) 19043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller#pragma rs export_func(setTexture, setGeometry, setDetailTexture, debugCamera) 191a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich#pragma rs export_func(setCarouselRotationAngle) 1925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Local variables 1945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float bias; // rotation bias, in radians. Used for animation and dragging. 1955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateCamera; // force a recompute of projection and lookat matrices 1965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float FLT_MAX = 1.0e37; 19743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int animatedSelection = -1; 19843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic int currentFirstCard = -1; 1995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t touchTime = -1; // time of first touch (see doStart()) 2005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float touchBias = 0.0f; // bias on first touch 20143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float2 touchPosition; // position of first touch, as defined by last call to doStart(x,y) 202c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float velocity = 0.0f; // angular velocity in radians/s 20343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool overscroll = false; // whether we're in the overscroll animation 20443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool isDragging = false; // true while the user is dragging the carousel 20543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float selectionRadius = 50.0f; // movement greater than this will result in no selection 20643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool enableSelection = false; // enabled until the user drags outside of selectionRadius 20743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 20843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Default plane of the carousel. Used for angular motion estimation in view. 20943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic Plane carouselPlane = { 21043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 0.0f, 0.0f }, // point 21143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller { 0.0f, 1.0f, 0.0f }, // normal 21243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 0.0f // plane constant (= -dot(P, N)) 21343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller}; 2145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 215be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic Cylinder carouselCylinder = { 216be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller {0.0f, 0.0f, 0.0f }, // center 217be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 1.0f // radius - update with carousel radius. 218be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller}; 219be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 2203df59346f395434454d310b070fff195089fbaf1Jim Miller// Because allocations can't have 0 dimensions, we have to track whether or not 2213df59346f395434454d310b070fff195089fbaf1Jim Miller// cards are valid separately. 2223df59346f395434454d310b070fff195089fbaf1Jim Miller// TODO: Remove this dependency once allocations can have a zero dimension. 2233df59346f395434454d310b070fff195089fbaf1Jim Millerstatic bool cardAllocationValid = false; 2243df59346f395434454d310b070fff195089fbaf1Jim Miller 2255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default geometry when card.geometry is not set. 2265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float3 cardVertices[4] = { 2275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { -1.0, -1.0, 0.0 }, 2285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, -1.0, 0.0 }, 2295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller { 1.0, 1.0, 0.0 }, 2305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {-1.0, 1.0, 0.0 } 2315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Default camera 2345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic PerspectiveCamera camera = { 2355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {2,2,2}, // from 2365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,0,0}, // at 2375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller {0,1,0}, // up 2385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 25.0f, // field of view 2395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1.0f, // aspect 2405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 0.1f, // near 2415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 100.0f // far 2425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller}; 2435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Forward references 2455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime); 246b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 247b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y); 248b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 249b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller makeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y); 2505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current); 251be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayPlaneIntersect(Ray* ray, Plane* plane, float* tout); 252be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool rayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout); 2535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid init() { 2555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // initializers currently have a problem when the variables are exported, so initialize 2565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // globals here. 2572ba04e061b52c488a154739379501dc833e39f79Jim Miller if (debugTextureLoading) rsDebug("Renderscript: init()", 0); 2585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller startAngle = 0.0f; 2595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller slotCount = 10; 2605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller visibleSlotCount = 1; 2617cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller visibleDetailCount = 3; 2625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bias = 0.0f; 263be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = 1.0f; 2645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardRotation = 0.0f; 26583d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney cardsFaceTangent = false; 2665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 267b0f070636c29ad178f4e21306f301fe3d20c183bJim Miller backgroundColor = (float4) { 0.0f, 0.0f, 0.0f, 1.0f }; 2683df59346f395434454d310b070fff195089fbaf1Jim Miller cardAllocationValid = false; 2693df59346f395434454d310b070fff195089fbaf1Jim Miller cardCount = 0; 270420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller fadeInDuration = 250; 271420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rezInCardCount = 0.0f; // alpha will ramp to 1.0f over this many cards (0.0f means disabled) 272a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller detailFadeRate = 0.5f; // fade details over this many slot positions. 2735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 2745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 2758b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevichstatic void updateAllocationVars(Card_t* newcards) 2765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 2775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cards 278dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines rs_allocation cardAlloc = {0}; 279dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines rsSetObject(&cardAlloc, rsGetAllocation(newcards)); 280dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines cardCount = (cardAllocationValid && rsIsObject(cardAlloc)) ? rsAllocationGetDimX(cardAlloc) : 0; 281dcfb45adbcf37de68920c181322aaa9e4e4b58d8Stephen Hines rsClearObject(&cardAlloc); 2825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 2835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 284be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millervoid setRadius(float rad) 285be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 286be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller radius = carouselCylinder.radius = rad; 287be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 288be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 2892ba04e061b52c488a154739379501dc833e39f79Jim Millervoid initCard(Card_t* card) 2908b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich{ 2916f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Object refs are always initilized cleared. 2922ba04e061b52c488a154739379501dc833e39f79Jim Miller static const float2 zero = {0.0f, 0.0f}; 2932ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureOffset = zero; 2942ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailLineOffset = zero; 2952ba04e061b52c488a154739379501dc833e39f79Jim Miller rsMatrixLoadIdentity(&card->matrix); 2962ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureState = STATE_INVALID; 2972ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureState = STATE_INVALID; 2982ba04e061b52c488a154739379501dc833e39f79Jim Miller card->geometryState = STATE_INVALID; 2992ba04e061b52c488a154739379501dc833e39f79Jim Miller card->visible = false; 3002ba04e061b52c488a154739379501dc833e39f79Jim Miller card->textureTimeStamp = 0; 3012ba04e061b52c488a154739379501dc833e39f79Jim Miller card->detailTextureTimeStamp = 0; 3022ba04e061b52c488a154739379501dc833e39f79Jim Miller} 3032ba04e061b52c488a154739379501dc833e39f79Jim Miller 3046f2cc8cf611860467315ecc542f71a225625eb1cJason Samsvoid createCards(int start, int total) 3052ba04e061b52c488a154739379501dc833e39f79Jim Miller{ 3066f2cc8cf611860467315ecc542f71a225625eb1cJason Sams for (int k = start; k < total; k++) { 3076f2cc8cf611860467315ecc542f71a225625eb1cJason Sams initCard(cards + k); 3082ba04e061b52c488a154739379501dc833e39f79Jim Miller } 3092ba04e061b52c488a154739379501dc833e39f79Jim Miller 3106f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // Since allocations can't have 0-size, we track validity ourselves based on the call to 3116f2cc8cf611860467315ecc542f71a225625eb1cJason Sams // this method. 3126f2cc8cf611860467315ecc542f71a225625eb1cJason Sams cardAllocationValid = total > 0; 3132ba04e061b52c488a154739379501dc833e39f79Jim Miller 3146f2cc8cf611860467315ecc542f71a225625eb1cJason Sams updateAllocationVars(cards); 3155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 317420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller// Computes an alpha value for a card using elapsed time and constant fadeInDuration 318420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerfloat getAnimatedAlpha(int64_t startTime, int64_t currentTime) 319420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller{ 320420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller double timeElapsed = (double) (currentTime - startTime); // in ms 321420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller double alpha = (double) timeElapsed / fadeInDuration; 322420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return min(1.0f, (float) alpha); 323420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller} 324420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 3255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Return angle for position p. Typically p will be an integer position, but can be fractional. 3265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float cardPosition(float p) 3275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return startAngle + bias + 2.0f * M_PI * p / slotCount; 3295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Return slot for a card in position p. Typically p will be an integer slot, but can be fractional. 3325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float slotPosition(float p) 3335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return startAngle + 2.0f * M_PI * p / slotCount; 3355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 337f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller// Returns total angle for given number of cards 338f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Millerstatic float wedgeAngle(float cards) 339f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller{ 340f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller return cards * 2.0f * M_PI / slotCount; 341f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller} 342f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller 343a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from carousel rotation angle (in card slot units) to radians. 344a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float carouselRotationAngleToRadians(float carouselRotationAngle) 345a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 346a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -wedgeAngle(carouselRotationAngle); 347a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 348a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 349a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich// convert from radians to carousel rotation angle (in card slot units). 350a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichstatic float radiansToCarouselRotationAngle(float angle) 351a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich{ 352a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich return -angle * slotCount / ( 2.0f * M_PI ); 353a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 354a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 355a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 3565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Return the lowest slot number for a given angular position. 3575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int cardIndex(float angle) 3585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return floor(angle - startAngle - bias) * slotCount / (2.0f * M_PI); 3605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Set basic camera properties: 3635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// from - position of the camera in x,y,z 3645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// at - target we're looking at - used to compute view direction 3655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// up - a normalized vector indicating up (typically { 0, 1, 0}) 3665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// 3675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the view direction and up vector cannot be parallel/antiparallel with each other 3685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid lookAt(float fromX, float fromY, float fromZ, 3695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float atX, float atY, float atZ, 3705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float upX, float upY, float upZ) 3715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.x = fromX; 3735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.y = fromY; 3745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.from.z = fromZ; 3755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.x = atX; 3765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.y = atY; 3775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.at.z = atZ; 3785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.x = upX; 3795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.y = upY; 3805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.up.z = upZ; 3815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = true; 3825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Load a projection matrix for the given parameters. This is equivalent to gluPerspective() 3855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadPerspectiveMatrix(rs_matrix4x4* matrix, float fovy, float aspect, float near, float far) 3865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(matrix); 3885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float top = near * tan((float) (fovy * M_PI / 360.0f)); 3895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bottom = -top; 3905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float left = bottom * aspect; 3915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float right = top * aspect; 3925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadFrustum(matrix, left, right, bottom, top, near, far); 3935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 3945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 3955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Construct a matrix based on eye point, center and up direction. Based on the 3965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// man page for gluLookat(). Up must be normalized. 3975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void loadLookatMatrix(rs_matrix4x4* matrix, float3 eye, float3 center, float3 up) 3985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 3995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 f = normalize(center - eye); 4005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s = normalize(cross(f, up)); 4015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 u = cross(s, f); 4025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float m[16]; 4035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[0] = s.x; 4045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[4] = s.y; 4055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[8] = s.z; 4065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[12] = 0.0f; 4075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[1] = u.x; 4085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[5] = u.y; 4095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[9] = u.z; 4105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[13] = 0.0f; 4115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[2] = -f.x; 4125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[6] = -f.y; 4135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[10] = -f.z; 4145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[14] = 0.0f; 4155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[3] = m[7] = m[11] = 0.0f; 4165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller m[15] = 1.0f; 4175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoad(matrix, m); 4185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixTranslate(matrix, -eye.x, -eye.y, -eye.z); 4195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setTexture(int n, rs_allocation texture) 4225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4233df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 424c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].texture, texture); 4257cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].textureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 426420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[n].textureTimeStamp = rsUptimeMillis(); 4277cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 4287cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 429b378af500b36226635b6343b1d5009ee9af44fc1Jim Millervoid setDetailTexture(int n, float offx, float offy, float loffx, float loffy, rs_allocation texture) 4307cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 4313df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 432c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].detailTexture, texture); 4337cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.x = offx; 4347cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureOffset.y = offy; 435b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.x = loffx; 436b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[n].detailLineOffset.y = loffy; 4377cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[n].detailTextureState = (texture.p != 0) ? STATE_LOADED : STATE_INVALID; 438420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[n].detailTextureTimeStamp = rsUptimeMillis(); 4395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 4415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid setGeometry(int n, rs_mesh geometry) 4425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4433df59346f395434454d310b070fff195089fbaf1Jim Miller if (n < 0 || n >= cardCount) return; 444c4c6f38bf410af40e10c63b152befd5a39df87c8Jim Miller rsSetObject(&cards[n].geometry, geometry); 4455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[n].geometry.p != 0) 4465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_LOADED; 4475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller else 4485ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[n].geometryState = STATE_INVALID; 4495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 451a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichvoid setCarouselRotationAngle(float carouselRotationAngle) { 452a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich bias = carouselRotationAngleToRadians(carouselRotationAngle); 453198a060d650bc849ef0f25b597888fac9546803bJack Palevich} 454198a060d650bc849ef0f25b597888fac9546803bJack Palevich 4551eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// Gets animated scale value for current selected card. 4561eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller// If card is currently being animated, returns true, otherwise returns false. 4571eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic bool getAnimatedScaleForSelected(float3* scale) 4585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 4595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float3 one = { 1.0f, 1.0f, 1.0f }; 4601eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller int64_t dt = rsUptimeMillis() - touchTime; 4611eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller if (dt >= ANIMATION_DELAY_TIME) { 4621eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float fraction = (float) (dt - ANIMATION_DELAY_TIME) / ANIMATION_SCALE_TIME; 4631eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller fraction = min(fraction, 1.0f); 4641eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one + fraction * SELECTED_SCALE_FACTOR; 4651eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } else { 4661eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller *scale = one; 4671eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller } 4681eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return dt < (ANIMATION_DELAY_TIME + ANIMATION_SCALE_TIME); // still animating; 4695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 4705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 471c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// The Verhulst logistic function: http://en.wikipedia.org/wiki/Logistic_function 472c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// P(t) = 1 / (1 + e^(-t)) 473c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Parameter t: Any real number 474c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma// Returns: A float in the range (0,1), with P(0.5)=0 475c0bb8af58ae15674178f2db240283719918c6f28Jim Shumastatic float logistic(float t) { 476af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao return 1.f / (1.f + exp(-t)); 477c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 478c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 4797c09ccce478100d75e4427d87866ff19d758ae7aJim Shumastatic float getSwayAngleForVelocity(float v, bool enableSway) 480c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma{ 4817c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float sway = 0.0f; 4827c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma 4837c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (enableSway) { 484d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma const float range = M_PI * 2./3.; // How far we can deviate from center, peak-to-peak 485d7fa647e6fa4e832381be5bdd03065f9ea35c3f1Jim Shuma sway = range * (logistic(-v * swaySensitivity) - 0.5f); 4867c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 487c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 488c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma return sway; 489c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma} 490c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma 4911eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller/* 4921eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * Composes a matrix for the given card. 4931eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * matrix: The output matrix. 4941eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * i: The card we're getting the matrix for. 4951eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * enableSway: Whether to enable swaying. (We want it on for cards, and off for detail textures.) 4961eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * 4971eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller * returns true if an animation is being applied to the given card 4981eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller */ 4991eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Millerstatic bool getMatrixForCard(rs_matrix4x4* matrix, int i, bool enableSway) 5005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 5015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float theta = cardPosition(i); 5027c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma float swayAngle = getSwayAngleForVelocity(velocity, enableSway); 5035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixRotate(matrix, degrees(theta), 0, 1, 0); 5045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixTranslate(matrix, radius, 0, 0); 50583d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney float rotation = cardRotation + swayAngle; 50683d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney if (!cardsFaceTangent) { 50783d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rotation -= theta; 50883d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney } 50983d7a5f03e6511372f73e3e4e03a6d403b20125dBryan Mawhinney rsMatrixRotate(matrix, degrees(rotation), 0, 1, 0); 5101eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller bool stillAnimating = false; 51143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (i == animatedSelection && enableSelection) { 5121eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller float3 scale; 5131eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating = getAnimatedScaleForSelected(&scale); 5145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixScale(matrix, scale.x, scale.y, scale.z); 5155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 5165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO: apply custom matrix for cards[i].geometry 5171eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller return stillAnimating; 5185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 520420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller/* 521420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Draws cards around the Carousel. 522420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 523420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller */ 524420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawCards(int64_t currentTime) 5255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 526420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 527420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller const float endAngle = startAngle + visibleSlotCount * wedgeAngle; 528420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 529420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller for (int i = cardCount-1; i >= 0; i--) { 5305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].visible) { 531420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // If this card was recently loaded, this will be < 1.0f until the animation completes 532420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float animatedAlpha = getAnimatedAlpha(cards[i].textureTimeStamp, currentTime); 533420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (animatedAlpha < 1.0f) { 534420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 535420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 536420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 537420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute fade out for cards in the distance 538420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float positionAlpha; 539420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (rezInCardCount > 0.0f) { 540420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = (endAngle - cardPosition(i)) / wedgeAngle; 541420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = min(1.0f, positionAlpha / rezInCardCount); 542420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } else { 543420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller positionAlpha = 1.0f; 544420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 545420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 546420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 547420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller shaderConstants->fadeAmount = min(1.0f, animatedAlpha * positionAlpha); 548420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rsAllocationMarkDirty(rsGetAllocation(shaderConstants)); 549420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 550b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // Bind the appropriate shader network. If there's no alpha blend, then 551b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller // switch to single shader for better performance. 552b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const bool loaded = cards[i].textureState == STATE_LOADED; 553b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (shaderConstants->fadeAmount == 1.0f || shaderConstants->fadeAmount < 0.01f) { 554b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 555b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, 556b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller (loaded && shaderConstants->fadeAmount == 1.0f) ? 557b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[i].texture : loadingTexture); 5585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 559b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(multiTextureFragmentProgram); 560b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 0, loadingTexture); 561b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, loaded ? 562b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller cards[i].texture : loadingTexture); 5635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 5645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 5655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw geometry 5665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix = modelviewMatrix; 5671eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating |= getMatrixForCard(&matrix, i, true); 5685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&matrix); 5695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].geometryState == STATE_LOADED && cards[i].geometry.p != 0) { 5705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(cards[i].geometry); 5715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (cards[i].geometryState == STATE_LOADING && loadingGeometry.p != 0) { 5725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(loadingGeometry); 5735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else if (defaultGeometry.p != 0) { 5745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawMesh(defaultGeometry); 5755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 5765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Draw place-holder geometry 5775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawQuad( 5785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[0].x, cardVertices[0].y, cardVertices[0].z, 5795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[1].x, cardVertices[1].y, cardVertices[1].z, 5805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[2].x, cardVertices[2].y, cardVertices[2].z, 5815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cardVertices[3].x, cardVertices[3].y, cardVertices[3].z); 5825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 5835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 5845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 585420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 5865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 5875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 5884fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma/** 5894fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * Convert projection from normalized coordinates to pixel coordinates. 5904fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * 5914fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma * @return True on success, false on failure. 5924fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma */ 5934fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shumastatic bool convertNormalizedToPixelCoordinates(float4 *screenCoord, float width, float height) { 5944fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // This is probably cheaper than pre-multiplying with another matrix. 5954fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoord->w == 0.0f) { 5964fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma rsDebug("Bad transform while converting from normalized to pixel coordinates: ", 5974fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord); 5984fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return false; 5994fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6004fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma *screenCoord *= 1.0f / screenCoord->w; 6014fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x += 1.0f; 6024fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y += 1.0f; 6034fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z += 1.0f; 6044fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->x = round(screenCoord->x * 0.5f * width); 6054fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->y = round(screenCoord->y * 0.5f * height); 6064fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord->z = - 0.5f * screenCoord->z; 6074fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma return true; 6084fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma} 6094fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma 6107cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller/* 6117cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller * Draws a screen-aligned card with the exact dimensions from the detail texture. 6124a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney * This is used to display information about the object being displayed. 613420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller * Returns true if we're still animating any property of the cards (e.g. fades). 6147cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller */ 615420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic bool drawDetails(int64_t currentTime) 6167cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller{ 6177cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float width = rsgGetWidth(); 6187cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float height = rsgGetHeight(); 6197cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 620420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller bool stillAnimating = false; 621420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 6227cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // We'll be drawing in screen space, sampled on pixel centers 6237cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 projection, model; 6247cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadOrtho(&projection, 0.0f, width, 0.0f, height, 0.0f, 1.0f); 6257cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 6267cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadIdentity(&model); 6277cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgProgramVertexLoadModelMatrix(&model); 6287cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller updateCamera = true; // we messed with the projection matrix. Reload on next pass... 6297cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 6307cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float yPadding = 5.0f; // draw line this far (in pixels) away from top and geometry 6317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 632420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // This can be done once... 633a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(multiTextureFragmentProgram, 0, detailLoadingTexture); 634a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 635a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float wedgeAngle = 2.0f * M_PI / slotCount; 636a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where details start fading from 1.0f 637a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float startDetailFadeAngle = startAngle + (visibleDetailCount - 1) * wedgeAngle; 638a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Angle where detail alpha is 0.0f 639a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float endDetailFadeAngle = startDetailFadeAngle + detailFadeRate * wedgeAngle; 640420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 641a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 6427cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].visible) { 6437cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState == STATE_LOADED && cards[i].detailTexture.p != 0) { 6447cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float lineWidth = rsAllocationGetDimX(detailLineTexture); 6457cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 6464fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // Compute position in screen space of top corner or bottom corner of card 647af8cf9a3bbe517b604b48e217b00085351ab2496Shih-wei Liao rsMatrixLoad(&model, &modelviewMatrix); 6481eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller stillAnimating |= getMatrixForCard(&model, i, false); 6497cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rs_matrix4x4 matrix; 6507cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsMatrixLoadMultiply(&matrix, &projectionMatrix, &model); 651d443c88da4c7cf1947c12b26f111cb899cc8afe4Jim Miller 6524fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma int indexLeft, indexRight; 6534fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoord; 6544a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 6554fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 0; 6564fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 1; 6574fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } else { 6584fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexLeft = 3; 6594fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma indexRight = 2; 6604fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6614fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 6624fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma float4 screenCoordRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 6634fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (screenCoordLeft.w == 0.0f || screenCoordRight.w == 0.0f) { 6647cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // this shouldn't happen 6657cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsDebug("Bad transform: ", screenCoord); 6667cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller continue; 6677cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 6684a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_VERTICAL) { 6694a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // If we're centering vertically, we'll need the other vertices too 6704a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 6714a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 3; 6724a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 2; 6734a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 6744a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexLeft = 0; 6754a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney indexRight = 1; 6764a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 6774a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenLeft = rsMatrixMultiply(&matrix, cardVertices[indexLeft]); 6784a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float4 otherScreenRight = rsMatrixMultiply(&matrix, cardVertices[indexRight]); 6794a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney screenCoordRight.y = screenCoordLeft.y = (screenCoordLeft.y + screenCoordRight.y 6804a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney + otherScreenLeft.y + otherScreenRight.y) / 4.; 6814a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 6824fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordLeft, width, height); 6834fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma (void) convertNormalizedToPixelCoordinates(&screenCoordRight, width, height); 6844fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma if (debugDetails) { 6854fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordLeft); 6864fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma RS_DEBUG(screenCoordRight); 6874fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6884fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord = screenCoordLeft; 6894a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 6904fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma screenCoord.y = min(screenCoordLeft.y, screenCoordRight.y); 6914a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else if (detailTextureAlignment & CENTER_VERTICAL) { 692fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.y -= round(rsAllocationGetDimY(cards[i].detailTexture) / 2.0f); 6934fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6944a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & CENTER_HORIZONTAL) { 695fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney screenCoord.x += round((screenCoordRight.x - screenCoordLeft.x) / 2.0f - 696fe38385c1e5ce443adb962c066adeea185ad3d74Bryan Mawhinney rsAllocationGetDimX(cards[i].detailTexture) / 2.0f); 6974fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma } 6987cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 699420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Compute alpha for gradually fading in details. Applied to both line and 700420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // detail texture. TODO: use a separate background texture for line. 701420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller float animatedAlpha = getAnimatedAlpha(cards[i].detailTextureTimeStamp, currentTime); 702420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller if (animatedAlpha < 1.0f) { 703420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller stillAnimating = true; 704420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller } 705420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 706a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller // Compute alpha based on position. We fade cards quickly so they cannot overlap 707a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller float positionAlpha = ((float)endDetailFadeAngle - cardPosition(i)) 708a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller / (endDetailFadeAngle - startDetailFadeAngle); 709a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = max(0.0f, positionAlpha); 710a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller positionAlpha = min(1.0f, positionAlpha); 711a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 712a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller const float blendedAlpha = min(1.0f, animatedAlpha * positionAlpha); 713a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 714b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 0.0f) continue; // nothing to draw 715b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 716b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 717b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 718b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindProgramFragment(multiTextureFragmentProgram); 719b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 720a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller 721420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller // Set alpha for blending between the textures 722a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller shaderConstants->fadeAmount = blendedAlpha; 723420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller rsAllocationMarkDirty(rsGetAllocation(shaderConstants)); 724420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller 7254a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // Draw line from the card to the detail texture. 7264a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // The line is drawn from the top or bottom left of the card 7274a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // to either the top of the screen or the top of the detail 7284a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney // texture, depending on detailTextureAlignment. 7297c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma if (drawRuler) { 7304a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerTop; 7314a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney float rulerBottom; 7324a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney if (detailTextureAlignment & BELOW) { 7334a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = screenCoord.y; 7344a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = 0; 7354a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } else { 7364a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerTop = height; 7374a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney rulerBottom = screenCoord.y; 7384a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney } 7397c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma const float halfWidth = lineWidth * 0.5f; 7401eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x0 = trunc(cards[i].detailLineOffset.x + screenCoord.x - halfWidth); 7411eccd028e704c15e842c1f23254d77a1a0a4cae0Jim Miller const float x1 = x0 + lineWidth; 742b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = rulerBottom + yPadding; 743b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = rulerTop - yPadding - cards[i].detailLineOffset.y; 744b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 745b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 746b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, detailLineTexture); 747b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 748b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, detailLineTexture); 749b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 750b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 751b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 7527c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma } 7537cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 7547cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // Draw the detail texture next to it using the offsets provided. 7557cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureWidth = rsAllocationGetDimX(cards[i].detailTexture); 7567cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float textureHeight = rsAllocationGetDimY(cards[i].detailTexture); 7577cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offx = cards[i].detailTextureOffset.x; 7587cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller const float offy = -cards[i].detailTextureOffset.y; 7594a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney const float textureTop = (detailTextureAlignment & VIEW_TOP) 7604a8736e22d7b40ab9dfa3fbd8a10de92144912b3Bryan Mawhinney ? height : screenCoord.y; 761b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x0 = cards[i].detailLineOffset.x + screenCoord.x + offx; 762b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float x1 = cards[i].detailLineOffset.x + screenCoord.x + offx + textureWidth; 763b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y0 = textureTop + offy - textureHeight - cards[i].detailLineOffset.y; 764b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float y1 = textureTop + offy - cards[i].detailLineOffset.y; 765b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 766b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (blendedAlpha == 1.0f) { 767b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(singleTextureFragmentProgram, 0, cards[i].detailTexture); 768b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 769b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindTexture(multiTextureFragmentProgram, 1, cards[i].detailTexture); 770b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 771b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgDrawQuad(x0, y0, screenCoord.z, x1, y0, screenCoord.z, 772b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller x1, y1, screenCoord.z, x0, y1, screenCoord.z); 7737cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 7747cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 7757cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 776420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller return stillAnimating; 7777cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller} 7787cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller 7799afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Millerstatic void drawBackground() 7809afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller{ 781b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller static bool toggle; 7829afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller if (backgroundTexture.p != 0) { 7839afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 7849afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rs_matrix4x4 projection, model; 7859afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadOrtho(&projection, -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f); 7869afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadProjectionMatrix(&projection); 7879afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsMatrixLoadIdentity(&model); 7889afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgProgramVertexLoadModelMatrix(&model); 789a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindTexture(singleTextureFragmentProgram, 0, backgroundTexture); 7909afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller float z = -0.9999f; 7919afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgDrawQuad( 7929afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[0].x, cardVertices[0].y, z, 7939afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[1].x, cardVertices[1].y, z, 7949afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[2].x, cardVertices[2].y, z, 7959afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller cardVertices[3].x, cardVertices[3].y, z); 7969afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller updateCamera = true; // we mucked with the matrix. 7979afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } else { 7989afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller rsgClearDepth(1.0f); 799b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugRendering) { // for debugging - flash the screen so we know we're still rendering 800b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgClearColor(toggle ? backgroundColor.x : 1.0f, 801b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.y : 0.0f, 802b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller toggle ? backgroundColor.z : 0.0f, 803b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller backgroundColor.w); 8049afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller toggle = !toggle; 805b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } else { 8067cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller rsgClearColor(backgroundColor.x, backgroundColor.y, backgroundColor.z, 8077cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller backgroundColor.w); 8089afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 8099afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller } 8109afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller} 8119afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller 8125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void updateCameraMatrix(float width, float height) 8135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 8145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float aspect = width / height; 8155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (aspect != camera.aspect || updateCamera) { 8165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller camera.aspect = aspect; 8175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadPerspectiveMatrix(&projectionMatrix, camera.fov, camera.aspect, camera.near, camera.far); 8185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadProjectionMatrix(&projectionMatrix); 8195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 8205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller loadLookatMatrix(&modelviewMatrix, camera.from, camera.at, camera.up); 8215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgProgramVertexLoadModelMatrix(&modelviewMatrix); 8225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCamera = false; 8235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 8245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 8255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 8265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 8275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Behavior/Physics 8285ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 8295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int64_t lastTime = 0L; // keep track of how much time has passed between frames 830be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic float lastAngle = 0.0f; 8315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float2 lastPosition; 8325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool animating = false; 8335ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float velocityThreshold = 0.1f * M_PI / 180.0f; 8345ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float velocityTracker; 8355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int velocityTrackerCount; 8365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float mass = 5.0f; // kg 8375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 8385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float G = 9.80f; // gravity constant, in m/s 8395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic const float springConstant = 0.0f; 8405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 841be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// Computes a hit angle from the center of the carousel to a point on either a plane 842be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller// or on a cylinder. If neither is hit, returns false. 843be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Millerstatic bool hitAngle(float x, float y, float *angle) 844be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller{ 845be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller Ray ray; 846be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller makeRayForPixelAt(&ray, &camera, x, y); 847be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float t = FLT_MAX; 848be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_PLANE && rayPlaneIntersect(&ray, &carouselPlane, &t)) { 849be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 850be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselPlane.point; 851be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 852be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Plane Angle = ", degrees(*angle)); 853be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 854be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if ((dragModel == DRAG_MODEL_CYLINDER_INSIDE || dragModel == DRAG_MODEL_CYLINDER_OUTSIDE) 855be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller && rayCylinderIntersect(&ray, &carouselCylinder, &t)) { 856be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 point = (ray.position + t*ray.direction); 857be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller const float3 direction = point - carouselCylinder.center; 858be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller *angle = atan2(direction.x, direction.z); 859be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (debugSelection) rsDebug("Cylinder Angle = ", degrees(*angle)); 860be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return true; 861be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 862be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return false; 863be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller} 864be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller 8655ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float dragFunction(float x, float y) 8665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 867be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float result; 868be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller float angle; 869be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (hitAngle(x, y, &angle)) { 870be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = angle - lastAngle; 871be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // Handle singularity where atan2 switches between +- PI 872be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (result < -M_PI) { 873be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result += 2.0f * M_PI; 874be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else if (result > M_PI) { 875be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result -= 2.0f * M_PI; 876be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 877be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = angle; 878be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } else { 879be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller // If we didn't hit anything or drag model wasn't plane or cylinder, we use screen delta 880be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller result = dragFactor * ((x - lastPosition.x) / rsgGetWidth()) * M_PI; 881be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller } 882be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller return result; 8835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 8845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 8855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic float deltaTimeInSeconds(int64_t current) 8865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 8875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return (lastTime > 0L) ? (float) (current - lastTime) / 1000.0f : 0.0f; 8885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 8895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 8905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint doSelection(float x, float y) 8915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 8925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 893b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, x, y)) { 8945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 8955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return intersectGeometry(&ray, &bestTime); 8965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 8975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return -1; 8985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 8995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 90043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millervoid sendAnimationStarted() { 90143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClient(CMD_ANIMATION_STARTED); 90243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 90343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 904a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevichvoid sendAnimationFinished() { 905a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich float data[1]; 906a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich data[0] = radiansToCarouselRotationAngle(bias); 907a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich rsSendToClient(CMD_ANIMATION_FINISHED, (int*) data, sizeof(data)); 908a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich} 909a84feeb7e4dc1a75ec6d0b1f2494893987fc3ca3Jack Palevich 9105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid doStart(float x, float y) 9115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 91243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller touchPosition = lastPosition = (float2) { x, y }; 913be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller lastAngle = hitAngle(x,y, &lastAngle) ? lastAngle : 0.0f; 9145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = 0.0f; 9155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTracker = 0.0f; 9165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocityTrackerCount = 0; 9175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller touchTime = rsUptimeMillis(); 9185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller touchBias = bias; 91943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = true; 92043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection = true; 92143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animatedSelection = doSelection(x, y); // used to provide visual feedback on touch 9225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid doStop(float x, float y) 9255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 9265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int64_t currentTime = rsUptimeMillis(); 9278b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 92843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 92943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (enableSelection) { 9305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int data[1]; 93143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int selection = doSelection(x, y); 93243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (selection != -1) { 93343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugSelection) rsDebug("Selected item on doStop():", selection); 93443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller data[0] = selection; 93543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller rsSendToClientBlocking(CMD_CARD_SELECTED, data, sizeof(data)); 93643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 93743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = false; 9385ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 93943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // TODO: move velocity tracking to Java 9405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller velocity = velocityTrackerCount > 0 ? 9415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 9425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (fabs(velocity) > velocityThreshold) { 9435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller animating = true; 9445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 9455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 94643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection = false; 9475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller lastTime = rsUptimeMillis(); 94843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller isDragging = false; 9495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 951594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shumavoid doLongPress() 952594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma{ 953594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma int64_t currentTime = rsUptimeMillis(); 954594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma updateAllocationVars(cards); 95543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Selection happens for most recent position detected in doMotion() 95643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller int selection = doSelection(lastPosition.x, lastPosition.y); 95743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (selection != -1) { 95843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugSelection) rsDebug("doLongPress(), selection = ", selection); 959594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma int data[1]; 96043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller data[0] = selection; 961594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma rsSendToClientBlocking(CMD_CARD_LONGPRESS, data, sizeof(data)); 962594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma } 963594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma lastTime = rsUptimeMillis(); 964594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma} 965594ff62c170509c0d69b30f4c2a5e71d4799a9c8Jim Shuma 9665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millervoid doMotion(float x, float y) 9675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 96843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float firstBias = wedgeAngle(0.0f); 96943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float lastBias = -max(0.0f, wedgeAngle(cardCount - visibleDetailCount)); 9705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int64_t currentTime = rsUptimeMillis(); 9715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float deltaOmega = dragFunction(x, y); 97243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!enableSelection) { 97343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += deltaOmega; 97443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = clamp(bias, lastBias - wedgeAngle(OVERSCROLL_SLOTS), 97543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller firstBias + wedgeAngle(OVERSCROLL_SLOTS)); 97643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 97743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float2 delta = (float2) { x, y } - touchPosition; 97843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float distance = sqrt(dot(delta, delta)); 97943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool inside = (distance < selectionRadius); 98043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller enableSelection &= inside; 98143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastPosition = (float2) { x, y }; 9825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float dt = deltaTimeInSeconds(currentTime); 9835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (dt > 0.0f) { 9845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = deltaOmega / dt; 98543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTracker += v; 98643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocityTrackerCount++; 9875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 988c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma velocity = velocityTrackerCount > 0 ? 989c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma (velocityTracker / velocityTrackerCount) : 0.0f; // avg velocity 9905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller lastTime = currentTime; 9915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 9925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 9945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Hit detection using ray casting. 9955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 99643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float EPSILON = 1.0e-6f; 99743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic const float tmin = 0.0f; 9985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 9995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool 100043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayTriangleIntersect(Ray* ray, float3 p0, float3 p1, float3 p2, float* tout) 10015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e1 = p1 - p0; 10035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 e2 = p2 - p0; 10045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s1 = cross(ray->direction, e2); 10055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float div = dot(s1, e1); 10075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (div == 0.0f) return false; // ray is parallel to plane. 10085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 d = ray->position - p0; 10105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float invDiv = 1.0f / div; 10115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float u = dot(d, s1) * invDiv; 10135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (u < 0.0f || u > 1.0f) return false; 10145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 s2 = cross(d, e1); 10165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float v = dot(ray->direction, s2) * invDiv; 10175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if ( v < 0.0f || (u+v) > 1.0f) return false; 10185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10195ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float t = dot(e2, s2) * invDiv; 10205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (t < tmin || t > *tout) 10215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return false; 10225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller *tout = t; 10235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 10245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 10255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 102643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 102743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/plane intersection. Returns false if no intersection found. 102843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1029b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 103043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayPlaneIntersect(Ray* ray, Plane* plane, float* tout) 1031b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 103243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float denom = dot(ray->direction, plane->normal); 103343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fabs(denom) > EPSILON) { 103443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float t = - (plane->constant + dot(ray->position, plane->normal)) / denom; 103543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (t > tmin && t < *tout) { 103643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t; 103743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 103843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 103943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 104043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1041b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1042b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 104343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 104443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes ray/cylindr intersection. There are 0, 1 or 2 hits. 104543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Returns true and sets *tout to the closest point or 104643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// returns false if no intersection found. 104743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller//////////////////////////////////////////////////////////////////////////////////////////////////// 1048b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool 104943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim MillerrayCylinderIntersect(Ray* ray, Cylinder* cylinder, float* tout) 1050b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 105143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float A = ray->direction.x * ray->direction.x + ray->direction.z * ray->direction.z; 105243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (A < EPSILON) return false; // ray misses 105343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 105443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Compute quadratic equation coefficients 105543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float B = 2.0f * (ray->direction.x * ray->position.x 105643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->direction.z * ray->position.z); 105743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float C = ray->position.x * ray->position.x 105843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller + ray->position.z * ray->position.z 105943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller - cylinder->radius * cylinder->radius; 106043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float disc = B*B - 4*A*C; 106143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 106243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (disc < 0.0f) return false; // ray misses 106343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller disc = sqrt(disc); 106443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float denom = 2.0f * A; 106543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 106643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Nearest point 106743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t1 = (-B - disc) / denom; 1068be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_OUTSIDE && t1 > tmin && t1 < *tout) { 106943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t1; 107043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 107143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 107243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 107343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Far point 107443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float t2 = (-B + disc) / denom; 1075be5482f170e191aa98a3c2ecefdeaf936b7df412Jim Miller if (dragModel == DRAG_MODEL_CYLINDER_INSIDE && t2 > tmin && t2 < *tout) { 107643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller *tout = t2; 107743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 107843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 107943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return false; 1080b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1081b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1082b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a camera, ray and coordinates. 10835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1084b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1085b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, PerspectiveCamera* cam, float x, float y) 10865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 10875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (debugCamera) { 10885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("------ makeRay() -------", 0); 1089b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.from:", cam->from); 1090b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.at:", cam->at); 1091b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Camera.dir:", normalize(cam->at - cam->from)); 10925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 10935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 10945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Vector math. This has the potential to be much faster. 10955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO: pre-compute lowerLeftRay, du, dv to eliminate most of this math. 1096b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float u = x / rsgGetWidth(); 1097b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float v = 1.0f - (y / rsgGetHeight()); 1098b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float aspect = (float) rsgGetWidth() / rsgGetHeight(); 1099b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float tanfov2 = 2.0f * tan(radians(cam->fov / 2.0f)); 1100b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dir = normalize(cam->at - cam->from); 1101b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 du = tanfov2 * normalize(cross(dir, cam->up)); 1102b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 dv = tanfov2 * normalize(cross(du, dir)); 1103b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller du *= aspect; 1104b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float3 lowerLeftRay = dir - (0.5f * du) - (0.5f * dv); 1105b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = cam->from; 1106b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(lowerLeftRay + u*du + v*dv); 1107b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1108b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (vector math) = ", rayDir); 11095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1111b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1112b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 1113b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return true; 1114b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller} 1115b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1116b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Creates a ray for an Android pixel coordinate given a model view and projection matrix. 1117b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller// Note that the Y coordinate is opposite of GL rendering coordinates. 1118b378af500b36226635b6343b1d5009ee9af44fc1Jim Millerstatic bool __attribute__((overloadable)) 1119b378af500b36226635b6343b1d5009ee9af44fc1Jim MillermakeRayForPixelAt(Ray* ray, rs_matrix4x4* model, rs_matrix4x4* proj, float x, float y) 1120b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller{ 1121b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rs_matrix4x4 pm = *model; 1122b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsMatrixLoadMultiply(&pm, proj, model); 1123b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (!rsMatrixInverse(&pm)) { 1124b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("ERROR: SINGULAR PM MATRIX", 0); 1125b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller return false; 11265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 1127b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float width = rsgGetWidth(); 1128b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float height = rsgGetHeight(); 1129b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winx = 2.0f * x / width - 1.0f; 1130b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float winy = 2.0f * y / height - 1.0f; 1131b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1132b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 eye = { 0.0f, 0.0f, 0.0f, 1.0f }; 1133b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller float4 at = { winx, winy, 1.0f, 1.0f }; 1134b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1135b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye = rsMatrixMultiply(&pm, eye); 1136b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller eye *= 1.0f / eye.w; 11375ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1138b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at = rsMatrixMultiply(&pm, at); 1139b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller at *= 1.0f / at.w; 1140b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller 1141b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayPoint = { eye.x, eye.y, eye.z }; 1142b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 atPoint = { at.x, at.y, at.z }; 1143b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller const float3 rayDir = normalize(atPoint - rayPoint); 1144b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (debugCamera) { 1145b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winx: ", winx); 1146b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("winy: ", winy); 1147b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray position (transformed) = ", eye); 1148b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsDebug("Ray direction (transformed) = ", rayDir); 1149b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller } 1150b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->position = rayPoint; 1151b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller ray->direction = rayDir; 11525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return true; 11535ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int intersectGeometry(Ray* ray, float *bestTime) 11565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 11575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int hit = -1; 11585ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int id = 0; id < cardCount; id++) { 11595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[id].visible) { 11605ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rs_matrix4x4 matrix; 11615ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float3 p[4]; 11625ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11635ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Transform card vertices to world space 11645ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsMatrixLoadIdentity(&matrix); 11657c09ccce478100d75e4427d87866ff19d758ae7aJim Shuma getMatrixForCard(&matrix, id, true); 11665ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int vertex = 0; vertex < 4; vertex++) { 11675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float4 tmp = rsMatrixMultiply(&matrix, cardVertices[vertex]); 11685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (tmp.w != 0.0f) { 11695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].x = tmp.x; 11705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].y = tmp.y; 11715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex].z = tmp.z; 11725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller p[vertex] *= 1.0f / tmp.w; 11735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 11745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsDebug("Bad w coord: ", tmp); 11755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Intersect card geometry 11795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (rayTriangleIntersect(ray, p[0], p[1], p[2], bestTime) 11805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller || rayTriangleIntersect(ray, p[2], p[3], p[0], bestTime)) { 11815ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller hit = id; 11825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 11855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return hit; 11865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 11875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 11885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// This method computes the position of all the cards by updating bias based on a 118943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// simple physics model. If the cards are still in motion, returns true. 119043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic bool doPhysics(float dt) 119143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 119243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float minStepTime = 1.0f / 300.0f; // ~5 steps per frame 119343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const int N = (dt > minStepTime) ? (1 + round(dt / minStepTime)) : 1; 119443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller dt /= N; 119543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller for (int i = 0; i < N; i++) { 119643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Force friction - always opposes motion 119743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Ff = -frictionCoeff * velocity; 119843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 119943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // Restoring force to match cards with slots 120043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float theta = startAngle + bias; 120143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float dtheta = 2.0f * M_PI / slotCount; 120243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float position = theta / dtheta; 120343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float fraction = position - floor(position); // fractional position between slots 120443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float x; 120543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fraction > 0.5f) { 120643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = - (1.0f - fraction); 120743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 120843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller x = fraction; 120943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 121043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float Fr = - springConstant * x; 121143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 121243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // compute velocity 121343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller const float momentum = mass * velocity + (Ff + Fr)*dt; 121443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = momentum / mass; 121543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += velocity * dt; 121643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 121743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return fabs(velocity) > velocityThreshold; 121843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 121943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 122043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Millerstatic float easeOut(float x) 122143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller{ 122243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return x; 122343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller} 122443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 122543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller// Computes the next value for bias using the current animation (physics or overscroll) 12265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic bool updateNextPosition(int64_t currentTime) 12275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 122843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller static const float biasMin = 1e-4f; // close enough if we're within this margin of result 12295ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 123043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float dt = deltaTimeInSeconds(currentTime); 12315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 123243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (dt <= 0.0f) { 123343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRendering) rsDebug("Time delta was <= 0", dt); 123443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return true; 12355ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 12365ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1237f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller const float firstBias = wedgeAngle(0.0f); 1238f7c724da4bb4fcd3cd02add04a7bb8052e07e4c3Jim Miller const float lastBias = -max(0.0f, wedgeAngle(cardCount - visibleDetailCount)); 123943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = false; 124043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (overscroll) { 124143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (bias > firstBias) { 124243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias -= 4.0f * dt * easeOut((bias - firstBias) * 2.0f); 124343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fabs(bias - firstBias) < biasMin) { 124443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = firstBias; 124543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 124643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 124743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 124843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else if (bias < lastBias) { 124943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias += 4.0f * dt * easeOut((lastBias - bias) * 2.0f); 125043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (fabs(bias - lastBias) < biasMin) { 125143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = lastBias; 125243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 125343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = true; 125443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 125543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 125643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = false; 125743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 125843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 125943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = doPhysics(dt); 126043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = bias > firstBias || bias < lastBias; 1261cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller if (overscroll) { 1262cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller velocity = 0.0f; // prevent bouncing due to v > 0 after overscroll animation. 1263cfe41767a3596a65eef91b6f68286fd0f916a4c7Jim Miller } 1264c0bb8af58ae15674178f2db240283719918c6f28Jim Shuma } 126543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller float newbias = clamp(bias, lastBias - wedgeAngle(OVERSCROLL_SLOTS), 126643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller firstBias + wedgeAngle(OVERSCROLL_SLOTS)); 126743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (newbias != bias) { // we clamped 126843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller velocity = 0.0f; 126943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller overscroll = true; 127043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 127143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bias = newbias; 127243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return stillAnimating; 12735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 12745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12755ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Cull cards based on visibility and visibleSlotCount. 12765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// If visibleSlotCount is > 0, then only show those slots and cull the rest. 12775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Otherwise, it should cull based on bounds of geometry. 12785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic int cullCards() 12795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 12804fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // TODO(jshuma): Instead of fully fetching prefetchCardCount cards, make a distinction between 12814fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // STATE_LOADED and a new STATE_PRELOADING, which will keep the textures loaded but will not 12824fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma // attempt to actually draw them. 12834fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const int prefetchCardCountPerSide = prefetchCardCount / 2; 12844fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const float thetaFirst = slotPosition(-prefetchCardCountPerSide); 1285198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelected = slotPosition(0); 1286198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaHalfAngle = (thetaSelected - thetaFirst) * 0.5f; 1287198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelectedLow = thetaSelected - thetaHalfAngle; 1288198a060d650bc849ef0f25b597888fac9546803bJack Palevich const float thetaSelectedHigh = thetaSelected + thetaHalfAngle; 12894fe6ea729d1fc44c8126de7a92a710c3885fb2ecJim Shuma const float thetaLast = slotPosition(visibleSlotCount - 1 + prefetchCardCountPerSide); 12905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 12915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int count = 0; 12925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < cardCount; i++) { 12935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (visibleSlotCount > 0) { 12945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // If visibleSlotCount is specified, then only show up to visibleSlotCount cards. 12955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float p = cardPosition(i); 12965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (p >= thetaFirst && p < thetaLast) { 12975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].visible = true; 12985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller count++; 12995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].visible = false; 13015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13025ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // Cull the rest of the cards using bounding box of geometry. 13045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // TODO 13055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].visible = true; 13065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller count++; 13075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller return count; 13105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 13115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Request texture/geometry for items that have come into view 13135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// or doesn't have a texture yet. 1314420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Millerstatic void updateCardResources(int64_t currentTime) 13155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 1316a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller for (int i = cardCount-1; i >= 0; --i) { 13175ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int data[1]; 13185ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].visible) { 131943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugTextureLoading) rsDebug("*** Texture stamp: ", (int)cards[i].textureTimeStamp); 13202ba04e061b52c488a154739379501dc833e39f79Jim Miller 13215ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // request texture from client if not loaded 13225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].textureState == STATE_INVALID) { 13235ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 13245ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_REQUEST_TEXTURE, data, sizeof(data)); 13255ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 13265ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].textureState = STATE_LOADING; 13275ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13287cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_TEXTURE", 0); 13297cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 13307cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 13317cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // request detail texture from client if not loaded 13327cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState == STATE_INVALID) { 13337cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller data[0] = i; 13347cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller bool enqueued = rsSendToClient(CMD_REQUEST_DETAIL_TEXTURE, data, sizeof(data)); 13357cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (enqueued) { 13367cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[i].detailTextureState = STATE_LOADING; 13377cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } else { 13387cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_REQUEST_DETAIL_TEXTURE", 0); 13395ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // request geometry from client if not loaded 13425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (cards[i].geometryState == STATE_INVALID) { 13435ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 13445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_REQUEST_GEOMETRY, data, sizeof(data)); 13455ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 13465ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].geometryState = STATE_LOADING; 13475ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13487cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugGeometryLoading) rsDebug("Couldn't send CMD_REQUEST_GEOMETRY", 0); 13495ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13505ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13515ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13525ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the texture 1353dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].textureState != STATE_INVALID) { 13545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 13555ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_TEXTURE, data, sizeof(data)); 13565ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 13575ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].textureState = STATE_INVALID; 1358420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].textureTimeStamp = currentTime; 13595ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13607cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Couldn't send CMD_INVALIDATE_TEXTURE", 0); 13617cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 13627cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } 13637cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller // ask the host to remove the detail texture 13647cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (cards[i].detailTextureState != STATE_INVALID) { 13657cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller data[0] = i; 13667cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_DETAIL_TEXTURE, data, sizeof(data)); 13677cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (enqueued) { 13687cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller cards[i].detailTextureState = STATE_INVALID; 1369420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller cards[i].detailTextureTimeStamp = currentTime; 13707cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller } else { 13717cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugTextureLoading) rsDebug("Can't send CMD_INVALIDATE_DETAIL_TEXTURE", 0); 13725ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13745ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller // ask the host to remove the geometry 1375dce9af330efceae2b8d1d7c25e7e236b4e21719bJack Palevich if (cards[i].geometryState != STATE_INVALID) { 13765ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller data[0] = i; 13775ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller bool enqueued = rsSendToClient(CMD_INVALIDATE_GEOMETRY, data, sizeof(data)); 13785ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (enqueued) { 13795ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cards[i].geometryState = STATE_INVALID; 13805ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } else { 13817cb0068e59dde61ef0e649735199e5ba31c9c6afJim Miller if (debugGeometryLoading) rsDebug("Couldn't send CMD_INVALIDATE_GEOMETRY", 0); 13825ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13835ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13845ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13855ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 13865ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 13875ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 13885ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// Places dots on geometry to visually inspect that objects can be seen by rays. 13895ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// NOTE: the color of the dot is somewhat random, as it depends on texture of previously-rendered 13905ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller// card. 13915ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerstatic void renderWithRays() 13925ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller{ 13935ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float w = rsgGetWidth(); 13945ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const float h = rsgGetHeight(); 13955ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller const int skip = 8; 13965ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller color(1.0f, 0.0f, 0.0f, 1.0f); 13975ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int j = 0; j < (int) h; j+=skip) { 13985ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posY = (float) j; 13995ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller for (int i = 0; i < (int) w; i+=skip) { 14005ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float posX = (float) i; 14015ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller Ray ray; 1402b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller if (makeRayForPixelAt(&ray, &camera, posX, posY)) { 14035ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller float bestTime = FLT_MAX; 14045ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller if (intersectGeometry(&ray, &bestTime) != -1) { 14055ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgDrawSpriteScreenspace(posX, h - posY - 1, 0.0f, 2.0f, 2.0f); 14065ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14075ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14085ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14095ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14105ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 14115ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14125ce730797a8a7278dfe19dac8a9460b25675fed0Jim Millerint root() { 14135ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller int64_t currentTime = rsUptimeMillis(); 14145ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14155ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramVertex(vertexProgram); 14165ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller rsgBindProgramRaster(rasterProgram); 1417b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(singleTextureFragmentProgram, 0, linearClamp); 1418b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 0, linearClamp); 1419b378af500b36226635b6343b1d5009ee9af44fc1Jim Miller rsgBindSampler(multiTextureFragmentProgram, 1, linearClamp); 14205ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14218b55d7500c1e5a88c415dae8dcead16b152d7929Jack Palevich updateAllocationVars(cards); 14225ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1423a9e9c4bef076e718094786edfe0290f798e1db4bJim Miller rsgBindProgramFragment(singleTextureFragmentProgram); 1424fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // rsgClearDepth() currently follows the value of glDepthMask(), so it's disabled when 1425fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the mask is disabled. We may want to change the following to always draw w/o Z for 1426fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // the background if we can guarantee the depth buffer will get cleared and 1427fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller // there's a performance advantage. 1428fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(forceBlendCardsWithZ ? programStoreNoAlphaZ : programStoreNoAlphaNoZ); 14299afba8c61f6aff94c68acbfaae1cc58bd28c13eaJim Miller drawBackground(); 14305ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14315ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller updateCameraMatrix(rsgGetWidth(), rsgGetHeight()); 14325ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 143343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller bool stillAnimating = (currentTime - touchTime) <= ANIMATION_SCALE_TIME; 143443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 143543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (!isDragging && animating) { 143643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller stillAnimating = updateNextPosition(currentTime); 143743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 143843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 143943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller lastTime = currentTime; 14405ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14415ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller cullCards(); 14425ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1443420b44b8b11ec1c309ea130e69a6876325dbfef9Jim Miller updateCardResources(currentTime); 14445ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 1445bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma // Draw cards opaque only if requested, and always draw detail textures with blending. 1446fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller if (forceBlendCardsWithZ) { 1447fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaZ); 1448bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma } else { 1449fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaNoZ); 1450bfc5ce2da9e0d8d0ec2535c465624574d98418d7Jim Shuma } 1451bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawCards(currentTime); 1452fb179e7afd8f02be63061b478b0283e3085fc25fJim Miller rsgBindProgramStore(programStoreAlphaNoZ); 1453bf39450b962d91ec78af53db39826d55ddb39902Jim Shuma stillAnimating |= drawDetails(currentTime); 14545ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 145543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating != animating) { 145643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (stillAnimating) { 145743471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we just started animating 145843471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationStarted(); 145943471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } else { 146043471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller // we were animating but stopped animating just now 146143471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller sendAnimationFinished(); 146243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 146343471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller animating = stillAnimating; 146443471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller } 146543471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller 146643471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller if (debugRays) { 14675ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller renderWithRays(); 14685ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller } 14695ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 14705ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller //rsSendToClient(CMD_PING); 14715ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller 147243471a7e84593d0dd855ec5c66d70891a6fd4c81Jim Miller return animating ? 1 : 0; 14735ce730797a8a7278dfe19dac8a9460b25675fed0Jim Miller} 1474