/**
* Removes all physics controls and joints in the given spatial from the physics space (e.g.
* before saving to disk) - recursive if node
*
* @param spatial the rootnode containing the physics objects
*/
public void removeAll(Spatial spatial) {
if (spatial.getControl(RigidBodyControl.class) != null) {
RigidBodyControl physicsNode = spatial.getControl(RigidBodyControl.class);
// remove joints with physicsNode as BodyA
List<PhysicsJoint> joints = physicsNode.getJoints();
for (Iterator<PhysicsJoint> it1 = joints.iterator(); it1.hasNext(); ) {
PhysicsJoint physicsJoint = it1.next();
if (physicsNode.equals(physicsJoint.getBodyA())) {
removeJoint(physicsJoint);
// remove(physicsJoint.getBodyB());
}
}
remove(physicsNode);
} else if (spatial.getControl(PhysicsControl.class) != null) {
remove(spatial);
}
// recursion
if (spatial instanceof Node) {
List<Spatial> children = ((Node) spatial).getChildren();
for (Iterator<Spatial> it = children.iterator(); it.hasNext(); ) {
Spatial spat = it.next();
removeAll(spat);
}
}
}
/**
* removes an object from the physics space
*
* @param obj the PhysicsControl or Spatial with PhysicsControl to remove
*/
public void remove(Object obj) {
if (obj == null) return;
if (obj instanceof PhysicsControl) {
((PhysicsControl) obj).setPhysicsSpace(null);
} else if (obj instanceof Spatial) {
Spatial node = (Spatial) obj;
for (int i = 0; i < node.getNumControls(); i++) {
if (node.getControl(i) instanceof PhysicsControl) {
remove(((PhysicsControl) node.getControl(i)));
}
}
} else if (obj instanceof PhysicsCollisionObject) {
removeCollisionObject((PhysicsCollisionObject) obj);
} else if (obj instanceof PhysicsJoint) {
removeJoint((PhysicsJoint) obj);
} else {
throw (new UnsupportedOperationException(
"Cannot remove this kind of object from the physics space."));
}
}