1/*
2 * Copyright (c) 2009-2010 jMonkeyEngine
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10 *   notice, this list of conditions and the following disclaimer.
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12 * * Redistributions in binary form must reproduce the above copyright
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17 *   may be used to endorse or promote products derived from this software
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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31 */
32
33package jme3test.light;
34
35import com.jme3.app.SimpleApplication;
36import com.jme3.material.Material;
37import com.jme3.math.ColorRGBA;
38import com.jme3.math.Quaternion;
39import com.jme3.math.Vector3f;
40import com.jme3.renderer.Camera;
41import com.jme3.renderer.queue.RenderQueue.ShadowMode;
42import com.jme3.scene.Geometry;
43import com.jme3.scene.Spatial;
44import com.jme3.scene.debug.WireFrustum;
45import com.jme3.scene.shape.Box;
46import com.jme3.shadow.BasicShadowRenderer;
47import com.jme3.shadow.ShadowUtil;
48
49public 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
65    public static void main(String[] args){
66        TestShadow app = new TestShadow();
67        app.start();
68    }
69
70    @Override
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
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