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 __init__(self, filename, view):
Model.__init__(self, filename, view)
TriangleMesh.__init__(self, filename)
# Create rigid body
tvia = TriangleIndexVertexArray()
tvia.addIndexedMesh(self.mesh)
shape = BvhTriangleMeshShape(tvia)
shape.buildOptimizedBvh()
transform = Transform()
transform.setIdentity()
transform.setOrigin(bVector3(0, 0, 0))
motion = DefaultMotionState()
motion.setWorldTransform(transform)
self.body = RigidBody.fromConstructionInfo(motion, # MotionState motion
shape, # CollisionShape shape
0.0, # btScalar mass
bVector3(0, 0, 0), # Vector3 inertia
transform, # Transform worldTransform
0.0, # btScalar linearDamping
0.0, # btScalar angularDamping
0.75, # btScalar friction
0.95, # btScalar restitution
0.0, # btScalar linearSleepingThreshold
0.0) # btScalar angularSleepingThreshold
self.motion = motion
self.body.setContactProcessingThreshold(0)
def __init__(self, filename, view, cball_radius):
super(CueStick, self).__init__(filename, view)
self.half = self.model.dimension / 2.0
self.tip_radius = self.half.x
self.pivot = eVector3(0, 0, self.half.z + cball_radius)
self.org_pivot = eVector3(*self.pivot)
shape = CapsuleShapeZ(self.tip_radius, self.model.dimension.z - self.tip_radius * 2)
#shape = CylinderShapeZ(bVector3(*self.half))
transform = Transform()
transform.setIdentity()
self.motion = CSMotionState()
self.motion.cue = self
self.delta = 0.
self.dx = 0.
self.dy = 0.
self.motion.setWorldTransform(transform)
self.body = RigidBody.fromConstructionInfo(self.motion, # MotionState motion
shape, # CollisionShape shape
0.0, # btScalar mass
bVector3(0, 0, 0), # Vector3 inertia
transform, # Transform worldTransform
0.0, # btScalar linearDamping
0.0, # btScalar angularDamping
0.0, # btScalar friction
0.71, # btScalar restitution
0.0, # btScalar linearSleepingThreshold
0.0) # btScalar angularSleepingThreshold
self.body.setContactProcessingThreshold(0)
self.body.setCcdMotionThreshold(0)
self.body.setHitFraction(0.1 * SCALE_FACTOR)
self.body.setGravity(bVector3(0, 0, 0))
# Make it kinematic body with collision contacts generation but no response impulses
flags = self.body.getCollisionFlags() | CueStick.CF_KINEMATIC_OBJECT | CueStick.CF_NO_CONTACT_RESPONSE
self.body.setCollisionFlags(flags)
self.body.setActivationState(DISABLE_DEACTIVATION)
