Sets the collision group of this Game Object's Matter Body. If this is zero or two Matter Bodies have different values, they will collide according to the usual rules (see #setCollisionCategory and #setCollisionGroup). If two Matter Bodies have the same positive value, they will always collide; if they have the same negative value, they will never collide.
name | type | description |
---|---|---|
value | number |
Unique group index. |
This Game Object instance.