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.material.Material; 37 import com.jme3.math.ColorRGBA; 38 import com.jme3.math.Quaternion; 39 import com.jme3.math.Vector3f; 40 import com.jme3.renderer.Camera; 41 import com.jme3.renderer.queue.RenderQueue.ShadowMode; 42 import com.jme3.scene.Geometry; 43 import com.jme3.scene.Spatial; 44 import com.jme3.scene.debug.WireFrustum; 45 import com.jme3.scene.shape.Box; 46 import com.jme3.shadow.BasicShadowRenderer; 47 import com.jme3.shadow.ShadowUtil; 48 49 public class TestShadow extends SimpleApplication { 50 51 float angle; 52 Spatial lightMdl; 53 Spatial teapot; 54 Geometry frustumMdl; 55 WireFrustum frustum; 56 57 private BasicShadowRenderer bsr; 58 private Vector3f[] points; 59 60 { 61 points = new Vector3f[8]; 62 for (int i = 0; i < points.length; i++) points[i] = new Vector3f(); 63 } 64 main(String[] args)65 public static void main(String[] args){ 66 TestShadow app = new TestShadow(); 67 app.start(); 68 } 69 70 @Override simpleInitApp()71 public void simpleInitApp() { 72 // put the camera in a bad position 73 cam.setLocation(new Vector3f(0.7804813f, 1.7502685f, -2.1556435f)); 74 cam.setRotation(new Quaternion(0.1961598f, -0.7213164f, 0.2266092f, 0.6243975f)); 75 cam.setFrustumFar(10); 76 77 Material mat = assetManager.loadMaterial("Common/Materials/WhiteColor.j3m"); 78 rootNode.setShadowMode(ShadowMode.Off); 79 Box floor = new Box(Vector3f.ZERO, 3, 0.1f, 3); 80 Geometry floorGeom = new Geometry("Floor", floor); 81 floorGeom.setMaterial(mat); 82 floorGeom.setLocalTranslation(0,-0.2f,0); 83 floorGeom.setShadowMode(ShadowMode.Receive); 84 rootNode.attachChild(floorGeom); 85 86 teapot = assetManager.loadModel("Models/Teapot/Teapot.obj"); 87 teapot.setLocalScale(2f); 88 teapot.setMaterial(mat); 89 teapot.setShadowMode(ShadowMode.CastAndReceive); 90 rootNode.attachChild(teapot); 91 // lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f)); 92 // lightMdl.setMaterial(mat); 93 // // disable shadowing for light representation 94 // lightMdl.setShadowMode(ShadowMode.Off); 95 // rootNode.attachChild(lightMdl); 96 97 bsr = new BasicShadowRenderer(assetManager, 512); 98 bsr.setDirection(new Vector3f(-1, -1, -1).normalizeLocal()); 99 viewPort.addProcessor(bsr); 100 101 frustum = new WireFrustum(bsr.getPoints()); 102 frustumMdl = new Geometry("f", frustum); 103 frustumMdl.setCullHint(Spatial.CullHint.Never); 104 frustumMdl.setShadowMode(ShadowMode.Off); 105 frustumMdl.setMaterial(new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md")); 106 frustumMdl.getMaterial().getAdditionalRenderState().setWireframe(true); 107 frustumMdl.getMaterial().setColor("Color", ColorRGBA.Red); 108 rootNode.attachChild(frustumMdl); 109 } 110 111 @Override simpleUpdate(float tpf)112 public void simpleUpdate(float tpf){ 113 Camera shadowCam = bsr.getShadowCamera(); 114 ShadowUtil.updateFrustumPoints2(shadowCam, points); 115 116 frustum.update(points); 117 // rotate teapot around Y axis 118 teapot.rotate(0, tpf * 0.25f, 0); 119 } 120 121 } 122