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 jme3test.light; 34 35 import com.jme3.app.SimpleApplication; 36 import com.jme3.light.DirectionalLight; 37 import com.jme3.light.PointLight; 38 import com.jme3.material.Material; 39 import com.jme3.math.ColorRGBA; 40 import com.jme3.math.Vector3f; 41 import com.jme3.scene.Geometry; 42 import com.jme3.scene.Mesh; 43 import com.jme3.scene.Mesh.Mode; 44 import com.jme3.scene.Spatial; 45 import com.jme3.scene.VertexBuffer.Type; 46 import com.jme3.scene.shape.Quad; 47 import com.jme3.scene.shape.Sphere; 48 import com.jme3.util.BufferUtils; 49 import com.jme3.util.TangentBinormalGenerator; 50 import java.nio.FloatBuffer; 51 import java.nio.IntBuffer; 52 53 54 public class TestTangentGen extends SimpleApplication { 55 56 float angle; 57 PointLight pl; 58 Geometry lightMdl; 59 main(String[] args)60 public static void main(String[] args){ 61 TestTangentGen app = new TestTangentGen(); 62 app.start(); 63 } 64 65 @Override simpleInitApp()66 public void simpleInitApp() { 67 flyCam.setMoveSpeed(20); 68 Sphere sphereMesh = new Sphere(32, 32, 1); 69 sphereMesh.setTextureMode(Sphere.TextureMode.Projected); 70 sphereMesh.updateGeometry(32, 32, 1, false, false); 71 addMesh("Sphere", sphereMesh, new Vector3f(-1, 0, 0)); 72 73 Quad quadMesh = new Quad(1, 1); 74 quadMesh.updateGeometry(1, 1); 75 addMesh("Quad", quadMesh, new Vector3f(1, 0, 0)); 76 77 Mesh strip = createTriangleStripMesh(); 78 addMesh("strip", strip, new Vector3f(0, -3, 0)); 79 80 DirectionalLight dl = new DirectionalLight(); 81 dl.setDirection(new Vector3f(1, -1, -1).normalizeLocal()); 82 dl.setColor(ColorRGBA.White); 83 rootNode.addLight(dl); 84 } 85 addMesh(String name, Mesh mesh, Vector3f translation)86 private void addMesh(String name, Mesh mesh, Vector3f translation) { 87 TangentBinormalGenerator.generate(mesh); 88 89 Geometry testGeom = new Geometry(name, mesh); 90 Material mat = assetManager.loadMaterial("Textures/BumpMapTest/Tangent.j3m"); 91 testGeom.setMaterial(mat); 92 testGeom.getLocalTranslation().set(translation); 93 rootNode.attachChild(testGeom); 94 95 Geometry debug = new Geometry( 96 "Debug " + name, 97 TangentBinormalGenerator.genTbnLines(mesh, 0.08f) 98 ); 99 Material debugMat = assetManager.loadMaterial("Common/Materials/VertexColor.j3m"); 100 debug.setMaterial(debugMat); 101 debug.setCullHint(Spatial.CullHint.Never); 102 debug.getLocalTranslation().set(translation); 103 rootNode.attachChild(debug); 104 } 105 106 @Override simpleUpdate(float tpf)107 public void simpleUpdate(float tpf){ 108 } 109 createTriangleStripMesh()110 private Mesh createTriangleStripMesh() { 111 Mesh strip = new Mesh(); 112 strip.setMode(Mode.TriangleStrip); 113 FloatBuffer vb = BufferUtils.createFloatBuffer(3*3*3); // 3 rows * 3 columns * 3 floats 114 vb.rewind(); 115 vb.put(new float[]{0,2,0}); vb.put(new float[]{1,2,0}); vb.put(new float[]{2,2,0}); 116 vb.put(new float[]{0,1,0}); vb.put(new float[]{1,1,0}); vb.put(new float[]{2,1,0}); 117 vb.put(new float[]{0,0,0}); vb.put(new float[]{1,0,0}); vb.put(new float[]{2,0,0}); 118 FloatBuffer nb = BufferUtils.createFloatBuffer(3*3*3); 119 nb.rewind(); 120 nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); 121 nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); 122 nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); nb.put(new float[]{0,0,1}); 123 FloatBuffer tb = BufferUtils.createFloatBuffer(3*3*2); 124 tb.rewind(); 125 tb.put(new float[]{0,0}); tb.put(new float[]{0.5f,0}); tb.put(new float[]{1,0}); 126 tb.put(new float[]{0,0.5f}); tb.put(new float[]{0.5f,0.5f}); tb.put(new float[]{1,0.5f}); 127 tb.put(new float[]{0,1}); tb.put(new float[]{0.5f,1}); tb.put(new float[]{1,1}); 128 int[] indexes = new int[]{0,3,1,4,2,5, 5,3, 3,6,4,7,5,8}; 129 IntBuffer ib = BufferUtils.createIntBuffer(indexes.length); 130 ib.put(indexes); 131 strip.setBuffer(Type.Position, 3, vb); 132 strip.setBuffer(Type.Normal, 3, nb); 133 strip.setBuffer(Type.TexCoord, 2, tb); 134 strip.setBuffer(Type.Index, 3, ib); 135 strip.updateBound(); 136 return strip; 137 } 138 139 } 140