engine/src/test/jme3test/bullet/TestCollisionGroups.java

/*
 * Copyright (c) 2009-2010 jMonkeyEngine
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 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
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 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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package jme3test.bullet;

import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.PhysicsCollisionObject;
import com.jme3.bullet.collision.shapes.MeshCollisionShape;
import com.jme3.bullet.collision.shapes.SphereCollisionShape;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;

/**
 *
 * @author normenhansen
 */
public class TestCollisionGroups extends SimpleApplication {

    private BulletAppState bulletAppState;

    public static void main(String[] args) {
        TestCollisionGroups app = new TestCollisionGroups();
        app.start();
    }

    @Override
    public void simpleInitApp() {
        bulletAppState = new BulletAppState();
        stateManager.attach(bulletAppState);
        bulletAppState.getPhysicsSpace().enableDebug(assetManager);
        
        // Add a physics sphere to the world
        Node physicsSphere = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1);
        physicsSphere.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(3, 6, 0));
        rootNode.attachChild(physicsSphere);
        getPhysicsSpace().add(physicsSphere);

        // Add a physics sphere to the world
        Node physicsSphere2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1);
        physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(4, 8, 0));
        physicsSphere2.getControl(RigidBodyControl.class).addCollideWithGroup(PhysicsCollisionObject.COLLISION_GROUP_02);
        rootNode.attachChild(physicsSphere2);
        getPhysicsSpace().add(physicsSphere2);

        // an obstacle mesh, does not move (mass=0)
        Node node2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new MeshCollisionShape(new Sphere(16, 16, 1.2f)), 0);
        node2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2.5f, -4, 0f));
        node2.getControl(RigidBodyControl.class).setCollisionGroup(PhysicsCollisionObject.COLLISION_GROUP_02);
        node2.getControl(RigidBodyControl.class).setCollideWithGroups(PhysicsCollisionObject.COLLISION_GROUP_02);
        rootNode.attachChild(node2);
        getPhysicsSpace().add(node2);

        // the floor, does not move (mass=0)
        Node node3 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new MeshCollisionShape(new Box(Vector3f.ZERO, 100f, 0.2f, 100f)), 0);
        node3.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -6, 0f));
        rootNode.attachChild(node3);
        getPhysicsSpace().add(node3);
    }

    private PhysicsSpace getPhysicsSpace() {
        return bulletAppState.getPhysicsSpace();
    }

    @Override
    public void simpleUpdate(float tpf) {
        //TODO: add update code
    }

    @Override
    public void simpleRender(RenderManager rm) {
        //TODO: add render code
    }
}