def sourcenode(self) -> ba.Node:
"""The node containing the material triggering the current callback.
Throws a ba.NodeNotFoundError if the node does not exist, though
the node should always exist (at least at the start of the collision
callback).
"""
node = _ba.get_collision_info('sourcenode')
assert isinstance(node, (_ba.Node, type(None)))
if not node:
raise NodeNotFoundError()
return node
def opposingnode(self) -> ba.Node:
"""The node the current callback material node is hitting.
Throws a ba.NodeNotFoundError if the node does not exist.
This can be expected in some cases such as in 'disconnect'
callbacks triggered by deleting a currently-colliding node.
"""
node = _ba.get_collision_info('opposingnode')
assert isinstance(node, (_ba.Node, type(None)))
if not node:
raise NodeNotFoundError()
return node
def opposingbody(self) -> int:
"""The body index on the opposing node in the current collision."""
body = _ba.get_collision_info('opposingbody')
assert isinstance(body, int)
return body
def position(self) -> ba.Vec3:
"""The position of the current collision."""
return _ba.Vec3(_ba.get_collision_info('position'))
