159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.scene.debug; 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Quaternion; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Mesh; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer.Type; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.FloatBuffer; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The <code>Arrow</code> debug shape represents an arrow. 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * An arrow is simply a line going from the original toward an extent 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * and at the tip there will be triangle-like shape. 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Kirill Vainer 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class Arrow extends Mesh { 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Quaternion tempQuat = new Quaternion(); 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Vector3f tempVec = new Vector3f(); 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static final float[] positions = new float[]{ 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, 0, 0, 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, 0, 1, // tip 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0.05f, 0, 0.9f, // tip right 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta -0.05f, 0, 0.9f, // tip left 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, 0.05f, 0.9f, // tip top 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, -0.05f, 0.9f, // tip buttom 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Serialization only. Do not use. 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Arrow() { 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Creates an arrow mesh with the given extent. 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The arrow will start at the origin (0,0,0) and finish 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * at the given extent. 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param extent Extent of the arrow from origin 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Arrow(Vector3f extent) { 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float len = extent.length(); 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f dir = extent.normalize(); 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.lookAt(dir, Vector3f.UNIT_Y); 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.normalizeLocal(); 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[] newPositions = new float[positions.length]; 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < positions.length; i += 3) { 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f vec = tempVec.set(positions[i], 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta positions[i + 1], 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta positions[i + 2]); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta vec.multLocal(len); 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.mult(vec, vec); 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta newPositions[i] = vec.getX(); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta newPositions[i + 1] = vec.getY(); 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta newPositions[i + 2] = vec.getZ(); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Position, 3, newPositions); 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Index, 2, 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta new short[]{ 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, 1, 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 1, 2, 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 1, 3, 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 1, 4, 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 1, 5,}); 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setMode(Mode.Lines); 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateCounts(); 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Sets the arrow's extent. 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This will modify the buffers on the mesh. 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param extent the arrow's extent. 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setArrowExtent(Vector3f extent) { 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float len = extent.length(); 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// Vector3f dir = extent.normalize(); 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.lookAt(extent, Vector3f.UNIT_Y); 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.normalizeLocal(); 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta VertexBuffer pvb = getBuffer(Type.Position); 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer buffer = (FloatBuffer)pvb.getData(); 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.rewind(); 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < positions.length; i += 3) { 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f vec = tempVec.set(positions[i], 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta positions[i + 1], 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta positions[i + 2]); 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta vec.multLocal(len); 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempQuat.mult(vec, vec); 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put(vec.x); 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put(vec.y); 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put(vec.z); 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta pvb.updateData(buffer); 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateCounts(); 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 143