trigger_camera
trigger_camera is a point entity available in all 
GoldSrc games.
This entity allows you to place moving cameras in your maps that take control away from the player for a time.
Key Values
Target:
- Target
(target)<targetname> - The targetname of an entity this entity will trigger when activated.
TargetX:
- Delay before trigger
(delay)<integer> - Delay in seconds before firing the targeted entity.
- Killtarget
(killtarget)<targetname> - Entity to remove when activated.
Targetname:
- Name
(targetname)<string> - The targetname that other entities refer to this entity by.
- Hold time
(wait)<integer> - Time to keep the camera going.
- Path Corner
(moveto)<string> - The first path_corner to aim for.
- Initial Speed
(speed)<string> - The speed to start at.
- Acceleration units/sec^2
(acceleration)<string> - Stop Deceleration units/sec^2
(deceleration)<string>
Flags
Start At Player : [1]
Follow Player : [2]
Freeze Player : [4]
