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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.FastMath;
41 import com.jme3.math.Vector3f;
42 import com.jme3.scene.Geometry;
43 import com.jme3.scene.shape.Sphere;
44 import com.jme3.scene.shape.Torus;
45 
46 public class TestLightRadius extends SimpleApplication {
47 
48     float pos, vel=1;
49     PointLight pl;
50     Geometry lightMdl;
51 
main(String[] args)52     public static void main(String[] args){
53         TestLightRadius app = new TestLightRadius();
54         app.start();
55     }
56 
57     @Override
simpleInitApp()58     public void simpleInitApp() {
59         Torus torus = new Torus(10, 6, 1, 3);
60 //        Torus torus = new Torus(50, 30, 1, 3);
61         Geometry g = new Geometry("Torus Geom", torus);
62         g.rotate(-FastMath.HALF_PI, 0, 0);
63         g.center();
64 //        g.move(0, 1, 0);
65 
66         Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
67         mat.setFloat("Shininess", 32f);
68         mat.setBoolean("UseMaterialColors", true);
69         mat.setColor("Ambient",  ColorRGBA.Black);
70         mat.setColor("Diffuse",  ColorRGBA.White);
71         mat.setColor("Specular", ColorRGBA.White);
72 //        mat.setBoolean("VertexLighting", true);
73 //        mat.setBoolean("LowQuality", true);
74         g.setMaterial(mat);
75 
76         rootNode.attachChild(g);
77 
78         lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
79         lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
80         rootNode.attachChild(lightMdl);
81 
82         pl = new PointLight();
83         pl.setColor(ColorRGBA.Green);
84         pl.setRadius(4f);
85         rootNode.addLight(pl);
86 
87         DirectionalLight dl = new DirectionalLight();
88         dl.setColor(ColorRGBA.Red);
89         dl.setDirection(new Vector3f(0, 1, 0));
90         rootNode.addLight(dl);
91     }
92 
93     @Override
simpleUpdate(float tpf)94     public void simpleUpdate(float tpf){
95 //        cam.setLocation(new Vector3f(5.0347548f, 6.6481347f, 3.74853f));
96 //        cam.setRotation(new Quaternion(-0.19183293f, 0.80776674f, -0.37974006f, -0.40805697f));
97 
98         pos += tpf * vel * 5f;
99         if (pos > 15){
100             vel *= -1;
101         }else if (pos < -15){
102             vel *= -1;
103         }
104 
105         pl.setPosition(new Vector3f(pos, 2, 0));
106         lightMdl.setLocalTranslation(pl.getPosition());
107     }
108 
109 }
110