Bullet tags are used to create active simulations and collisions between scene objects and particles.

Objects can be simulated as rigid bodies, soft bodies or colliders.

Note: The pages below make reference to the Bullet settings found within the X-Particles tab of the Cinema 4D project settings, which are explained in the link below.

X-Particles Project Settings

xpBullet Collider

xpBullet Rigid Body

xpBullet Soft Body

The following tabs are identical, within each Bullet tag.

Colliders tab

Forces tab

Modifiers tab