Examples with HingeJoint com.jme3.bullet.joints.HingeJoint used on opensource projects

Example 1 with HingeJoint

use of com.jme3.bullet.joints.HingeJoint in project jmonkeyengine by jMonkeyEngine.

the class TestAttachGhostObject method setupJoint.

public void setupJoint() {
    Node holderNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.1f, .1f, .1f)), 0);
    holderNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, 0, 0f));
    rootNode.attachChild(holderNode);
    getPhysicsSpace().add(holderNode);
    Node hammerNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.3f, .3f, .3f)), 1);
    hammerNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -1, 0f));
    rootNode.attachChild(hammerNode);
    getPhysicsSpace().add(hammerNode);
    //immovable
    collisionNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.3f, .3f, .3f)), 0);
    collisionNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(1.8f, 0, 0f));
    rootNode.attachChild(collisionNode);
    getPhysicsSpace().add(collisionNode);
    //ghost node
    ghostControl = new GhostControl(new SphereCollisionShape(0.7f));
    hammerNode.addControl(ghostControl);
    getPhysicsSpace().add(ghostControl);
    joint = new HingeJoint(holderNode.getControl(RigidBodyControl.class), hammerNode.getControl(RigidBodyControl.class), Vector3f.ZERO, new Vector3f(0f, -1, 0f), Vector3f.UNIT_Z, Vector3f.UNIT_Z);
    getPhysicsSpace().add(joint);
}

Example 2 with HingeJoint

use of com.jme3.bullet.joints.HingeJoint in project jmonkeyengine by jMonkeyEngine.

the class TestPhysicsHingeJoint method setupJoint.

public void setupJoint() {
    Node holderNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.1f, .1f, .1f)), 0);
    holderNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, 0, 0f));
    rootNode.attachChild(holderNode);
    getPhysicsSpace().add(holderNode);
    Node hammerNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.3f, .3f, .3f)), 1);
    hammerNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -1, 0f));
    rootNode.attachChild(hammerNode);
    getPhysicsSpace().add(hammerNode);
    joint = new HingeJoint(holderNode.getControl(RigidBodyControl.class), hammerNode.getControl(RigidBodyControl.class), Vector3f.ZERO, new Vector3f(0f, -1, 0f), Vector3f.UNIT_Z, Vector3f.UNIT_Z);
    getPhysicsSpace().add(joint);
}

Example 3 with HingeJoint

use of com.jme3.bullet.joints.HingeJoint in project jmonkeyengine by jMonkeyEngine.

the class TestPhysicsReadWrite method simpleInitApp.

@Override
public void simpleInitApp() {
    bulletAppState = new BulletAppState();
    stateManager.attach(bulletAppState);
    bulletAppState.setDebugEnabled(true);
    physicsRootNode = new Node("PhysicsRootNode");
    rootNode.attachChild(physicsRootNode);
    // 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 using the collision shape from sphere one
    Node physicsSphere2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, physicsSphere.getControl(RigidBodyControl.class).getCollisionShape(), 1);
    physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(4, 8, 0));
    rootNode.attachChild(physicsSphere2);
    getPhysicsSpace().add(physicsSphere2);
    // Add a physics box to the world
    Node physicsBox = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(1, 1, 1)), 1);
    physicsBox.getControl(RigidBodyControl.class).setFriction(0.1f);
    physicsBox.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(.6f, 4, .5f));
    rootNode.attachChild(physicsBox);
    getPhysicsSpace().add(physicsBox);
    // Add a physics cylinder to the world
    Node physicsCylinder = PhysicsTestHelper.createPhysicsTestNode(assetManager, new CylinderCollisionShape(new Vector3f(1f, 1f, 1.5f)), 1);
    physicsCylinder.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2, 2, 0));
    rootNode.attachChild(physicsCylinder);
    getPhysicsSpace().add(physicsCylinder);
    // 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));
    rootNode.attachChild(node2);
    getPhysicsSpace().add(node2);
    // the floor mesh, does not move (mass=0)
    Node node3 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new PlaneCollisionShape(new Plane(new Vector3f(0, 1, 0), 0)), 0);
    node3.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -6, 0f));
    rootNode.attachChild(node3);
    getPhysicsSpace().add(node3);
    // Join the physics objects with a Point2Point joint
    HingeJoint joint = new HingeJoint(physicsSphere.getControl(RigidBodyControl.class), physicsBox.getControl(RigidBodyControl.class), new Vector3f(-2, 0, 0), new Vector3f(2, 0, 0), Vector3f.UNIT_Z, Vector3f.UNIT_Z);
    getPhysicsSpace().add(joint);
    //save and load the physicsRootNode
    try {
        //remove all physics objects from physics space
        getPhysicsSpace().removeAll(physicsRootNode);
        physicsRootNode.removeFromParent();
        //export to byte array
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        BinaryExporter.getInstance().save(physicsRootNode, bout);
        //import from byte array
        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
        BinaryImporter imp = BinaryImporter.getInstance();
        imp.setAssetManager(assetManager);
        Node newPhysicsRootNode = (Node) imp.load(bin);
        //add all physics objects to physics space
        getPhysicsSpace().addAll(newPhysicsRootNode);
        rootNode.attachChild(newPhysicsRootNode);
    } catch (IOException ex) {
        Logger.getLogger(TestPhysicsReadWrite.class.getName()).log(Level.SEVERE, null, ex);
    }
}