enum {
		kCollisionLayer_Trigger = 0x0C,
		kCollisionLayer_NonCollidable = 0x0F,
		kCollisionLayer_ActorZone = 0x16,
		kCollisionLayer_ProjectileZone = 0x17,
		kCollisionLayer_GasTrap = 0x18,
		kCollisionLayer_DeadActorZone = 0x2F,
		kCollisionLayer_TriggerFallingTrap = 0x30,
		kCollisionLayer_SpellTrigger = 0x33,
		kCollisionLayer_LivingAndDead = 0x34,
		kCollisionLayer_TrapTrigger = 0x36
	};