Wikis / Unreal Wiki / Legacy:Actor (UT)/Collision

These properties determine the size and behaviour of an Actor_(UT)'s collision cylinder.

Note that the cylinder is always upright, no matter what the Actor_(UT)'s orientation.

Properties

Boolean Flags

bBlockActors 

Blocks non-player Actor_(UT)s.

bBlockPlayers 

Blocks player actors (PlayerPawns and Bot (UT)s).

bCollideActors 

Collides with other Actor_(UT)s.

bCollideWorld 

Collides with the world geometry.

bCollideWhenPlacing 

Collides when being moved; can't be set into geometry.

bProjTarget 

Set this true if you want your object to be a potential target for projectiles (subject to adjusted aim in single-player mode).

Collision Cylinder

The size of the collision cylinder is given by the two properties CollisionHeight and CollisionRadius: The diameter of the collision cylinder is 2 × CollisionRadius and its height is 2 × CollisionHeight.

Related topics

• Actor (UT)
• DuckingZone – A zone where ducking players actually become smaller in Unreal Tournament.
• Collision Cylinder – Details on collision and on Touch, Untouch and other related events.
• OCD – Technical lowdown of object collision detection.
• Actor Overview – More on working with Actors, adding actors to a map and setting properties.