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31 */
32package jme3test.bullet;
33
34import com.jme3.app.SimpleApplication;
35import com.jme3.bullet.BulletAppState;
36import com.jme3.bullet.PhysicsSpace;
37import com.jme3.bullet.control.RigidBodyControl;
38import com.jme3.material.Material;
39import com.jme3.math.ColorRGBA;
40import com.jme3.math.FastMath;
41import com.jme3.math.Quaternion;
42import com.jme3.scene.Geometry;
43import com.jme3.scene.Node;
44import com.jme3.scene.Spatial;
45import com.jme3.scene.shape.Box;
46import com.jme3.scene.shape.Cylinder;
47import com.jme3.scene.shape.Torus;
48
49/**
50 * This is a basic Test of jbullet-jme functions
51 *
52 * @author normenhansen
53 */
54public class TestCollisionShapeFactory extends SimpleApplication {
55
56    private BulletAppState bulletAppState;
57    private Material mat1;
58    private Material mat2;
59    private Material mat3;
60
61    public static void main(String[] args) {
62        TestCollisionShapeFactory app = new TestCollisionShapeFactory();
63        app.start();
64    }
65
66    @Override
67    public void simpleInitApp() {
68        bulletAppState = new BulletAppState();
69        stateManager.attach(bulletAppState);
70        bulletAppState.getPhysicsSpace().enableDebug(assetManager);
71        createMaterial();
72
73        Node node = new Node("node1");
74        attachRandomGeometry(node, mat1);
75        randomizeTransform(node);
76
77        Node node2 = new Node("node2");
78        attachRandomGeometry(node2, mat2);
79        randomizeTransform(node2);
80
81        node.attachChild(node2);
82        rootNode.attachChild(node);
83
84        RigidBodyControl control = new RigidBodyControl(0);
85        node.addControl(control);
86        getPhysicsSpace().add(control);
87
88        //test single geometry too
89        Geometry myGeom = new Geometry("cylinder", new Cylinder(16, 16, 0.5f, 1));
90        myGeom.setMaterial(mat3);
91        randomizeTransform(myGeom);
92        rootNode.attachChild(myGeom);
93        RigidBodyControl control3 = new RigidBodyControl(0);
94        myGeom.addControl(control3);
95        getPhysicsSpace().add(control3);
96    }
97
98    private void attachRandomGeometry(Node node, Material mat) {
99        Box box = new Box(0.25f, 0.25f, 0.25f);
100        Torus torus = new Torus(16, 16, 0.2f, 0.8f);
101        Geometry[] boxes = new Geometry[]{
102            new Geometry("box1", box),
103            new Geometry("box2", box),
104            new Geometry("box3", box),
105            new Geometry("torus1", torus),
106            new Geometry("torus2", torus),
107            new Geometry("torus3", torus)
108        };
109        for (int i = 0; i < boxes.length; i++) {
110            Geometry geometry = boxes[i];
111            geometry.setLocalTranslation((float) Math.random() * 10 -10, (float) Math.random() * 10 -10, (float) Math.random() * 10 -10);
112            geometry.setLocalRotation(new Quaternion().fromAngles((float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI));
113            geometry.setLocalScale((float) Math.random() * 10 -10, (float) Math.random() * 10 -10, (float) Math.random() * 10 -10);
114            geometry.setMaterial(mat);
115            node.attachChild(geometry);
116        }
117    }
118
119    private void randomizeTransform(Spatial spat){
120        spat.setLocalTranslation((float) Math.random() * 10, (float) Math.random() * 10, (float) Math.random() * 10);
121        spat.setLocalTranslation((float) Math.random() * 10, (float) Math.random() * 10, (float) Math.random() * 10);
122        spat.setLocalScale((float) Math.random() * 2, (float) Math.random() * 2, (float) Math.random() * 2);
123    }
124
125    private void createMaterial() {
126        mat1 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
127        mat1.setColor("Color", ColorRGBA.Green);
128        mat2 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
129        mat2.setColor("Color", ColorRGBA.Red);
130        mat3 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
131        mat3.setColor("Color", ColorRGBA.Yellow);
132    }
133
134    private PhysicsSpace getPhysicsSpace() {
135        return bulletAppState.getPhysicsSpace();
136    }
137}
138