@Override
public void dispose() {
// Don't rely on the GC
if (worldTransform != null) worldTransform.dispose();
if (body != null) body.delete();
// And remove the reference
worldTransform = null;
body = null;
}
public Entity(
final Mesh mesh,
final btRigidBodyConstructionInfo bodyInfo,
final float x,
final float y,
final float z) {
this.mesh = mesh;
worldTransform = new WorldTransform();
worldTransform.transform.idt().translate(x, y, z);
body = new btRigidBody(bodyInfo);
body.setMotionState(worldTransform);
}
@Override
public boolean tap(float x, float y, int count, int button) {
Ray ray = camera.getPickRay(x, y);
rayFrom.set(ray.origin);
rayTo.set(ray.direction).mul(50f).add(rayFrom); // 50 meters max from the origin
// Because we reuse the ClosestRayResultCallback, we need reset it's values
rayTestCB.setM_collisionObject(null);
rayTestCB.setM_closestHitFraction(1f);
rayTestCB.getM_rayFromWorld().setValue(rayFrom.x, rayFrom.y, rayFrom.z);
rayTestCB.getM_rayToWorld().setValue(rayTo.x, rayTo.y, rayTo.z);
world.collisionWorld.rayTest(rayFrom, rayTo, rayTestCB);
if (rayTestCB.hasHit()) {
final btCollisionObject obj = rayTestCB.getM_collisionObject();
if (!obj.isStaticOrKinematicObject()) {
final btRigidBody body = btRigidBody.upcast(obj);
body.activate();
body.applyCentralImpulse(Vector3.tmp2.set(ray.direction).mul(20f));
}
}
return true;
}