The Colliders tab menu settings, which have identical parameters for all xpBullet tags. In this set up, Collision Group is set to 1, allocating it to the dynamic object. It is now possible, with the Mode set to Collide Only With Collision Groups, to this dynamic object only collides with all objects in those two groups.
Allows you to allocate a collision group to an xpBullet dynamic object.
Set as Do Not Collide With Collision Groups, by default, this establishes the rule within the scene.
The alternative is Only Collide With Collision Groups.
Depending on which option you select, either the Include Collision Group or Exclude Collision Group parameter will be available, so that you can avoid collisions or ensure specific collisions in your scene.
Note: You can remove self-collisions by excluding the same group that the tag has been allocated to, using the Exclude Collision Group parameter.
Clicking this button will add a collision group to the Collision Groups list.
This list contains all the individual collision groups in your scene.
Groups can be activated or deactivated by checking (or unchecking) the check box.