Security Camera
A security camera is an NPC entity that automatically follows the player wherever he/she is in the room and are similar to the ones seen in the first Portal. The Portal 2 camera does not need a func_portal_detector to become detached.
Creation
1) Create an npc_security_camera entity using the entity tool.
2) Place the entity within the level by clicking anywhere in the 3D viewfinder.
2) Double-click on the entity to adjust its properties.
Properties
Skin
Value Skin 0: Clean Skin 1: Dirty
