def __init__(self, filename, view, mass, position=eVector3()):
super(CueBall, self).__init__(filename, view)
self.radius = self.model.dimension.z / 2.0
self.mass = mass
# Update z pos from radius
position.z = self.radius
# Init Transform
transform = Transform()
self.position = position
self.do_transformation_matrix()
self.mnumpy = array(self.m, 'f')
transform.setFromOpenGLMatrix(self.mnumpy)
# The Rigid Body
mass = self.mass * SCALE_FACTOR
shape = SphereShape(self.radius)
i = shape.getLocalInertia(mass) * 0.65
self.motion = DefaultMotionState()
self.motion.setWorldTransform(transform)
self.body = RigidBody.fromConstructionInfo(self.motion, # MotionState motion
shape, # CollisionShape shape
mass, # btScalar mass
bVector3(i.x, i.y, i.z), # Vector3 inertia
transform, # Transform worldTransform
0.2, # btScalar linearDamping
0.65, # btScalar angularDamping
0.25, # btScalar friction
0.7, # btScalar restitution
1.5, # btScalar linearSleepingThreshold
1.5) # btScalar angularSleepingThreshold
self.body.setContactProcessingThreshold(0)
self.body.setCcdMotionThreshold(0)
self.body.setHitFraction(0.1 * SCALE_FACTOR)
def update_body_position(self):
'''
Update body position
'''
transform = Transform()
self.mnumpy = array(self.m, 'f')
transform.setFromOpenGLMatrix(self.mnumpy)
self.motion.setWorldTransform(transform)