Get all collision groups currently tracked by excalibur
Create a new named collision group up to a max of 32.
Name for the collision group
Optionally provide your own 32-bit mask, if none is provide the manager will generate one
Get a collision group by it's name
Resets the managers internal group management state
Static class for managing collision groups in excalibur, there is a maximum of 32 collision groups possible in excalibur