use of com.jme3.export.binary.BinaryImporter 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);
}
}
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