19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* San Angeles Observation OpenGL ES version example 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright 2004-2005 Jetro Lauha 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * All rights reserved. 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Web: http://iki.fi/jetro/ 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This source is free software; you can redistribute it and/or 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * modify it under the terms of EITHER: 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (1) The GNU Lesser General Public License as published by the Free 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Software Foundation; either version 2.1 of the License, or (at 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * your option) any later version. The text of the GNU Lesser 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * General Public License is included with this source in the 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * file LICENSE-LGPL.txt. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (2) The BSD-style license that is included with this source in 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the file LICENSE-BSD.txt. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This source is distributed in the hope that it will be useful, 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LICENSE-LGPL.txt and LICENSE-BSD.txt for more details. 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * $Id: demo.c,v 1.10 2005/02/08 20:54:39 tonic Exp $ 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * $Revision: 1.10 $ 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <math.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <float.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <GLES/gl.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "app.h" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "shapes.h" 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "cams.h" 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Total run length is 20 * camera track base unit length (see cams.h). 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define RUN_LENGTH (20 * CAMTRACK_LEN) 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef PI 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PI 3.1415926535897932f 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define RANDOM_UINT_MAX 65535 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic unsigned long sRandomSeed = 0; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void seedRandom(unsigned long seed) 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sRandomSeed = seed; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic unsigned long randomUInt() 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sRandomSeed = sRandomSeed * 0x343fd + 0x269ec3; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sRandomSeed >> 16; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Capped conversion from float to fixed. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic long floatToFixed(float value) 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value < -32768) value = -32768; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value > 32767) value = 32767; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (long)(value * 65536); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define FIXED(value) floatToFixed(value) 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Definition of one GL object in this demo. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef struct { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Vertex array and color array are enabled for all objects, so their 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pointers must always be valid and non-NULL. Normal array is not 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * used by the ground plane, so when its pointer is NULL then normal 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * array usage is disabled. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Vertex array is supposed to use GL_FIXED datatype and stride 0 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (i.e. tightly packed array). Color array is supposed to have 4 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * components per color with GL_UNSIGNED_BYTE datatype and stride 0. 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Normal array is supposed to use GL_FIXED datatype and stride 0. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfixed *vertexArray; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLubyte *colorArray; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfixed *normalArray; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLint vertexComponents; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLsizei count; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} GLOBJECT; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic long sStartTick = 0; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic long sTick = 0; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int sCurrentCamTrack = 0; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic long sCurrentCamTrackStartTick = 0; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic long sNextCamTrackStartTick = 0x7fffffff; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic GLOBJECT *sSuperShapeObjects[SUPERSHAPE_COUNT] = { NULL }; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic GLOBJECT *sGroundPlane = NULL; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef struct { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x, y, z; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} VECTOR3; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void freeGLObject(GLOBJECT *object) 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object == NULL) 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(object->normalArray); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(object->colorArray); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(object->vertexArray); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(object); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic GLOBJECT * newGLObject(long vertices, int vertexComponents, 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int useNormalArray) 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLOBJECT *result; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = (GLOBJECT *)malloc(sizeof(GLOBJECT)); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result == NULL) 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->count = vertices; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexComponents = vertexComponents; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray = (GLfixed *)malloc(vertices * vertexComponents * 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizeof(GLfixed)); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray = (GLubyte *)malloc(vertices * 4 * sizeof(GLubyte)); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (useNormalArray) 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->normalArray = (GLfixed *)malloc(vertices * 3 * 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizeof(GLfixed)); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->normalArray = NULL; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result->vertexArray == NULL || 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray == NULL || 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (useNormalArray && result->normalArray == NULL)) 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project freeGLObject(result); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void drawGLObject(GLOBJECT *object) 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(object != NULL); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glVertexPointer(object->vertexComponents, GL_FIXED, 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, object->vertexArray); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glColorPointer(4, GL_UNSIGNED_BYTE, 0, object->colorArray); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Already done in initialization: 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //glEnableClientState(GL_VERTEX_ARRAY); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //glEnableClientState(GL_COLOR_ARRAY); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object->normalArray) 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glNormalPointer(GL_FIXED, 0, object->normalArray); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnableClientState(GL_NORMAL_ARRAY); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisableClientState(GL_NORMAL_ARRAY); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDrawArrays(GL_TRIANGLES, 0, object->count); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void vector3Sub(VECTOR3 *dest, VECTOR3 *v1, VECTOR3 *v2) 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest->x = v1->x - v2->x; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest->y = v1->y - v2->y; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest->z = v1->z - v2->z; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void superShapeMap(VECTOR3 *point, float r1, float r2, float t, float p) 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sphere-mapping of supershape parameters 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project point->x = (float)(cos(t) * cos(p) / r1 / r2); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project point->y = (float)(sin(t) * cos(p) / r1 / r2); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project point->z = (float)(sin(p) / r2); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic float ssFunc(const float t, const float *p) 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (float)(pow(pow(fabs(cos(p[0] * t / 4)) / p[1], p[4]) + 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pow(fabs(sin(p[0] * t / 4)) / p[2], p[5]), 1 / p[3])); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Creates and returns a supershape object. 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Based on Paul Bourke's POV-Ray implementation. 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// http://astronomy.swin.edu.au/~pbourke/povray/supershape/ 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic GLOBJECT * createSuperShape(const float *params) 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int resol1 = (int)params[SUPERSHAPE_PARAMS - 3]; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int resol2 = (int)params[SUPERSHAPE_PARAMS - 2]; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // latitude 0 to pi/2 for no mirrored bottom 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (latitudeBegin==0 for -pi/2 to pi/2 originally) 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int latitudeBegin = resol2 / 4; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int latitudeEnd = resol2 / 2; // non-inclusive 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int longitudeCount = resol1; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int latitudeCount = latitudeEnd - latitudeBegin; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const long triangleCount = longitudeCount * latitudeCount * 2; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const long vertices = triangleCount * 3; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLOBJECT *result; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float baseColor[3]; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a, longitude, latitude; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long currentVertex, currentQuad; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = newGLObject(vertices, 3, 1); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result == NULL) 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < 3; ++a) 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project baseColor[a] = ((randomUInt() % 155) + 100) / 255.f; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project currentQuad = 0; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project currentVertex = 0; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // longitude -pi to pi 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (longitude = 0; longitude < longitudeCount; ++longitude) 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // latitude 0 to pi/2 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (latitude = latitudeBegin; latitude < latitudeEnd; ++latitude) 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t1 = -PI + longitude * 2 * PI / resol1; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float t2 = -PI + (longitude + 1) * 2 * PI / resol1; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float p1 = -PI / 2 + latitude * 2 * PI / resol2; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float p2 = -PI / 2 + (latitude + 1) * 2 * PI / resol2; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float r0, r1, r2, r3; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r0 = ssFunc(t1, params); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r1 = ssFunc(p1, ¶ms[6]); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r2 = ssFunc(t2, params); 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r3 = ssFunc(p2, ¶ms[6]); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (r0 != 0 && r1 != 0 && r2 != 0 && r3 != 0) 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VECTOR3 pa, pb, pc, pd; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project VECTOR3 v1, v2, n; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ca; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //float lenSq, invLenSq; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project superShapeMap(&pa, r0, r1, t1, p1); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project superShapeMap(&pb, r2, r1, t2, p1); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project superShapeMap(&pc, r2, r3, t2, p2); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project superShapeMap(&pd, r0, r3, t1, p2); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // kludge to set lower edge of the object to fixed level 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (latitude == latitudeBegin + 1) 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pa.z = pb.z = 0; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vector3Sub(&v1, &pb, &pa); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vector3Sub(&v2, &pd, &pa); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calculate normal with cross product. 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* i j k i j 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * v1.x v1.y v1.z | v1.x v1.y 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * v2.x v2.y v2.z | v2.x v2.y 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.x = v1.y * v2.z - v1.z * v2.y; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.y = v1.z * v2.x - v1.x * v2.z; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.z = v1.x * v2.y - v1.y * v2.x; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Pre-normalization of the normals is disabled here because 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * they will be normalized anyway later due to automatic 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * normalization (GL_NORMALIZE). It is enabled because the 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * objects are scaled with glScale. 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lenSq = n.x * n.x + n.y * n.y + n.z * n.z; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invLenSq = (float)(1 / sqrt(lenSq)); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.x *= invLenSq; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.y *= invLenSq; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project n.z *= invLenSq; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ca = pa.z + 0.5f; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = currentVertex * 3; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i < (currentVertex + 6) * 3; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += 3) 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->normalArray[i] = FIXED(n.x); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->normalArray[i + 1] = FIXED(n.y); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->normalArray[i + 2] = FIXED(n.z); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = currentVertex * 4; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i < (currentVertex + 6) * 4; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i += 4) 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a, color[3]; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < 3; ++a) 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[a] = (int)(ca * baseColor[a] * 255); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color[a] > 255) color[a] = 255; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i] = (GLubyte)color[0]; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 1] = (GLubyte)color[1]; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 2] = (GLubyte)color[2]; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 3] = 0; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pa.x); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pa.y); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pa.z); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pb.x); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pb.y); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pb.z); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pd.x); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pd.y); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pd.z); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pb.x); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pb.y); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pb.z); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pc.x); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pc.y); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pc.z); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3] = FIXED(pd.x); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 1] = FIXED(pd.y); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 3 + 2] = FIXED(pd.z); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } // r0 && r1 && r2 && r3 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentQuad; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } // latitude 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } // longitude 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set number of vertices in object to the actual amount created. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->count = currentVertex; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic GLOBJECT * createGroundPlane() 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int scale = 4; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int yBegin = -15, yEnd = 15; // ends are non-inclusive 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int xBegin = -15, xEnd = 15; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const long triangleCount = (yEnd - yBegin) * (xEnd - xBegin) * 2; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const long vertices = triangleCount * 3; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLOBJECT *result; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x, y; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long currentVertex, currentQuad; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = newGLObject(vertices, 2, 0); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result == NULL) 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project currentQuad = 0; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project currentVertex = 0; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (y = yBegin; y < yEnd; ++y) 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (x = xBegin; x < xEnd; ++x) 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLubyte color; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, a; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color = (GLubyte)((randomUInt() & 0x5f) + 81); // 101 1111 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = currentVertex * 4; i < (currentVertex + 6) * 4; i += 4) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i] = color; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 1] = color; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 2] = color; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->colorArray[i + 3] = 0; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Axis bits for quad triangles: 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // x: 011100 (0x1c), y: 110001 (0x31) (clockwise) 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // x: 001110 (0x0e), y: 100011 (0x23) (counter-clockwise) 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < 6; ++a) 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int xm = x + ((0x1c >> a) & 1); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int ym = y + ((0x31 >> a) & 1); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const float m = (float)(cos(xm * 2) * sin(ym * 4) * 0.75f); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 2] = 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIXED(xm * scale + m); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result->vertexArray[currentVertex * 2 + 1] = 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FIXED(ym * scale + m); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentVertex; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++currentQuad; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void drawGroundPlane() 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_CULL_FACE); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_DEPTH_TEST); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_BLEND); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glBlendFunc(GL_ZERO, GL_SRC_COLOR); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_LIGHTING); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawGLObject(sGroundPlane); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHTING); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_BLEND); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_DEPTH_TEST); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void drawFadeQuad() 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const GLfixed quadVertices[] = { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project -0x10000, -0x10000, 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0x10000, -0x10000, 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project -0x10000, 0x10000, 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0x10000, -0x10000, 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0x10000, 0x10000, 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project -0x10000, 0x10000 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int beginFade = sTick - sCurrentCamTrackStartTick; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int endFade = sNextCamTrackStartTick - sTick; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int minFade = beginFade < endFade ? beginFade : endFade; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (minFade < 1024) 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const GLfixed fadeColor = minFade << 6; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glColor4x(fadeColor, fadeColor, fadeColor, 0); 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_DEPTH_TEST); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_BLEND); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glBlendFunc(GL_ZERO, GL_SRC_COLOR); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_LIGHTING); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_MODELVIEW); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLoadIdentity(); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_PROJECTION); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLoadIdentity(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisableClientState(GL_COLOR_ARRAY); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisableClientState(GL_NORMAL_ARRAY); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glVertexPointer(2, GL_FIXED, 0, quadVertices); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDrawArrays(GL_TRIANGLES, 0, 6); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnableClientState(GL_COLOR_ARRAY); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_MODELVIEW); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHTING); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_BLEND); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_DEPTH_TEST); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Called from the app framework. 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid appInit() 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_NORMALIZE); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_DEPTH_TEST); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glDisable(GL_CULL_FACE); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glShadeModel(GL_FLAT); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHTING); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHT0); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHT1); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_LIGHT2); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnableClientState(GL_VERTEX_ARRAY); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnableClientState(GL_COLOR_ARRAY); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project seedRandom(15); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < SUPERSHAPE_COUNT; ++a) 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sSuperShapeObjects[a] = createSuperShape(sSuperShapeParams[a]); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(sSuperShapeObjects[a] != NULL); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sGroundPlane = createGroundPlane(); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(sGroundPlane != NULL); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Called from the app framework. 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid appDeinit() 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < SUPERSHAPE_COUNT; ++a) 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project freeGLObject(sSuperShapeObjects[a]); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project freeGLObject(sGroundPlane); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void gluPerspective(GLfloat fovy, GLfloat aspect, 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat zNear, GLfloat zFar) 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat xmin, xmax, ymin, ymax; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ymax = zNear * (GLfloat)tan(fovy * PI / 360); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ymin = -ymax; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xmin = ymin * aspect; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xmax = ymax * aspect; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glFrustumx((GLfixed)(xmin * 65536), (GLfixed)(xmax * 65536), 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(ymin * 65536), (GLfixed)(ymax * 65536), 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(zNear * 65536), (GLfixed)(zFar * 65536)); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void prepareFrame(int width, int height) 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glViewport(0, 0, width, height); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glClearColorx((GLfixed)(0.1f * 65536), 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(0.2f * 65536), 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(0.3f * 65536), 0x10000); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_PROJECTION); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLoadIdentity(); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gluPerspective(45, (float)width / height, 0.5f, 150); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMatrixMode(GL_MODELVIEW); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLoadIdentity(); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void configureLightAndMaterial() 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light0Position[] = { -0x40000, 0x10000, 0x10000, 0 }; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light0Diffuse[] = { 0x10000, 0x6666, 0, 0x10000 }; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light1Position[] = { 0x10000, -0x20000, -0x10000, 0 }; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light1Diffuse[] = { 0x11eb, 0x23d7, 0x5999, 0x10000 }; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light2Position[] = { -0x10000, 0, -0x40000, 0 }; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed light2Diffuse[] = { 0x11eb, 0x2b85, 0x23d7, 0x10000 }; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static GLfixed materialSpecular[] = { 0x10000, 0x10000, 0x10000, 0x10000 }; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT0, GL_POSITION, light0Position); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT0, GL_DIFFUSE, light0Diffuse); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT1, GL_POSITION, light1Position); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT1, GL_DIFFUSE, light1Diffuse); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT2, GL_POSITION, light2Position); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glLightxv(GL_LIGHT2, GL_DIFFUSE, light2Diffuse); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMaterialxv(GL_FRONT_AND_BACK, GL_SPECULAR, materialSpecular); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMaterialx(GL_FRONT_AND_BACK, GL_SHININESS, 60 << 16); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glEnable(GL_COLOR_MATERIAL); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void drawModels(float zScale) 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int translationScale = 9; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x, y; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project seedRandom(9); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glScalex(1 << 16, 1 << 16, (GLfixed)(zScale * 65536)); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (y = -5; y <= 5; ++y) 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (x = -5; x <= 5; ++x) 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float buildingScale; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfixed fixedScale; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int curShape = randomUInt() % SUPERSHAPE_COUNT; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buildingScale = sSuperShapeParams[curShape][SUPERSHAPE_PARAMS - 1]; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fixedScale = (GLfixed)(buildingScale * 65536); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPushMatrix(); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTranslatex((x * translationScale) * 65536, 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (y * translationScale) * 65536, 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glRotatex((GLfixed)((randomUInt() % 360) << 16), 0, 0, 1 << 16); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glScalex(fixedScale, fixedScale, fixedScale); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawGLObject(sSuperShapeObjects[curShape]); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPopMatrix(); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (x = -2; x <= 2; ++x) 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int shipScale100 = translationScale * 500; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int offs100 = x * shipScale100 + (sTick % shipScale100); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float offs = offs100 * 0.01f; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfixed fixedOffs = (GLfixed)(offs * 65536); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPushMatrix(); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTranslatex(fixedOffs, -4 * 65536, 2 << 16); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawGLObject(sSuperShapeObjects[SUPERSHAPE_COUNT - 1]); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPopMatrix(); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPushMatrix(); 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTranslatex(-4 * 65536, fixedOffs, 4 << 16); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glRotatex(90 << 16, 0, 0, 1 << 16); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawGLObject(sSuperShapeObjects[SUPERSHAPE_COUNT - 1]); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPopMatrix(); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* Following gluLookAt implementation is adapted from the 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mesa 3D Graphics library. http://www.mesa3d.org 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void gluLookAt(GLfloat eyex, GLfloat eyey, GLfloat eyez, 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat centerx, GLfloat centery, GLfloat centerz, 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat upx, GLfloat upy, GLfloat upz) 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat m[16]; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat x[3], y[3], z[3]; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfloat mag; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Make rotation matrix */ 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Z vector */ 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[0] = eyex - centerx; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[1] = eyey - centery; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[2] = eyez - centerz; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mag = (float)sqrt(z[0] * z[0] + z[1] * z[1] + z[2] * z[2]); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mag) { /* mpichler, 19950515 */ 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[0] /= mag; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[1] /= mag; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z[2] /= mag; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Y vector */ 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[0] = upx; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[1] = upy; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[2] = upz; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* X vector = Y cross Z */ 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[0] = y[1] * z[2] - y[2] * z[1]; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[1] = -y[0] * z[2] + y[2] * z[0]; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[2] = y[0] * z[1] - y[1] * z[0]; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Recompute Y = Z cross X */ 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[0] = z[1] * x[2] - z[2] * x[1]; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[1] = -z[0] * x[2] + z[2] * x[0]; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[2] = z[0] * x[1] - z[1] * x[0]; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* mpichler, 19950515 */ 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* cross product gives area of parallelogram, which is < 1.0 for 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * non-perpendicular unit-length vectors; so normalize x, y here 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mag = (float)sqrt(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mag) { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[0] /= mag; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[1] /= mag; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x[2] /= mag; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mag = (float)sqrt(y[0] * y[0] + y[1] * y[1] + y[2] * y[2]); 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mag) { 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[0] /= mag; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[1] /= mag; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y[2] /= mag; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define M(row,col) m[col*4+row] 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(0, 0) = x[0]; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(0, 1) = x[1]; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(0, 2) = x[2]; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(0, 3) = 0.0; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(1, 0) = y[0]; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(1, 1) = y[1]; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(1, 2) = y[2]; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(1, 3) = 0.0; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(2, 0) = z[0]; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(2, 1) = z[1]; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(2, 2) = z[2]; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(2, 3) = 0.0; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(3, 0) = 0.0; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(3, 1) = 0.0; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(3, 2) = 0.0; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project M(3, 3) = 1.0; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef M 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLfixed fixedM[16]; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < 16; ++a) 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fixedM[a] = (GLfixed)(m[a] * 65536); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glMultMatrixx(fixedM); 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Translate Eye to Origin */ 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTranslatex((GLfixed)(-eyex * 65536), 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(-eyey * 65536), 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (GLfixed)(-eyez * 65536)); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void camTrack() 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float lerp[5]; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float eX, eY, eZ, cX, cY, cZ; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float trackPos; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CAMTRACK *cam; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long currentCamTick; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int a; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sNextCamTrackStartTick <= sTick) 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++sCurrentCamTrack; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sCurrentCamTrackStartTick = sNextCamTrackStartTick; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sNextCamTrackStartTick = sCurrentCamTrackStartTick + 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sCamTracks[sCurrentCamTrack].len * CAMTRACK_LEN; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cam = &sCamTracks[sCurrentCamTrack]; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project currentCamTick = sTick - sCurrentCamTrackStartTick; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project trackPos = (float)currentCamTick / (CAMTRACK_LEN * cam->len); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (a = 0; a < 5; ++a) 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lerp[a] = (cam->src[a] + cam->dest[a] * trackPos) * 0.01f; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cam->dist) 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dist = cam->dist * 0.1f; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cX = lerp[0]; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cY = lerp[1]; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cZ = lerp[2]; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eX = cX - (float)cos(lerp[3]) * dist; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eY = cY - (float)sin(lerp[3]) * dist; 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eZ = cZ - lerp[4]; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eX = lerp[0]; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eY = lerp[1]; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project eZ = lerp[2]; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cX = eX + (float)cos(lerp[3]); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cY = eY + (float)sin(lerp[3]); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cZ = eZ + lerp[4]; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gluLookAt(eX, eY, eZ, cX, cY, cZ, 0, 0, 1); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Called from the app framework. 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* The tick is current time in milliseconds, width and height 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are the image dimensions to be rendered. 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid appRender(long tick, int width, int height) 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sStartTick == 0) 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sStartTick = tick; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!gAppAlive) 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Actual tick value is "blurred" a little bit. 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sTick = (sTick + tick - sStartTick) >> 1; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Terminate application after running through the demonstration once. 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sTick >= RUN_LENGTH) 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gAppAlive = 0; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Prepare OpenGL ES for rendering of the frame. 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prepareFrame(width, height); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update the camera position and set the lookat. 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camTrack(); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Configure environment. 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configureLightAndMaterial(); 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw the reflection by drawing models with negated Z-axis. 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPushMatrix(); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawModels(-1); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glPopMatrix(); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Blend the ground plane to the window. 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawGroundPlane(); 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw all the models normally. 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawModels(1); 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Draw fade quad over whole window (when changing cameras). 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project drawFadeQuad(); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 793