1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.jme3.scene.debug; 34 35 import com.jme3.math.Vector3f; 36 import com.jme3.scene.Mesh; 37 import com.jme3.scene.VertexBuffer; 38 import com.jme3.scene.VertexBuffer.Type; 39 import com.jme3.util.BufferUtils; 40 import java.nio.FloatBuffer; 41 42 public class WireFrustum extends Mesh { 43 WireFrustum(Vector3f[] points)44 public WireFrustum(Vector3f[] points){ 45 if (points != null) 46 setBuffer(Type.Position, 3, BufferUtils.createFloatBuffer(points)); 47 48 setBuffer(Type.Index, 2, 49 new short[]{ 50 0, 1, 51 1, 2, 52 2, 3, 53 3, 0, 54 55 4, 5, 56 5, 6, 57 6, 7, 58 7, 4, 59 60 0, 4, 61 1, 5, 62 2, 6, 63 3, 7, 64 } 65 ); 66 setMode(Mode.Lines); 67 } 68 update(Vector3f[] points)69 public void update(Vector3f[] points){ 70 VertexBuffer vb = getBuffer(Type.Position); 71 if (vb == null){ 72 setBuffer(Type.Position, 3, BufferUtils.createFloatBuffer(points)); 73 return; 74 } 75 76 FloatBuffer b = BufferUtils.createFloatBuffer(points); 77 FloatBuffer a = (FloatBuffer) vb.getData(); 78 b.rewind(); 79 a.rewind(); 80 a.put(b); 81 a.rewind(); 82 83 vb.updateData(a); 84 85 updateBound(); 86 } 87 88 } 89