Beams and Lasers
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Ammunition | Animals & Creatures | Antlions | Beams & Lasers | Cables & Ropes | Clouds & Sky | Color Theory | Combat | Combine | Doors | Dust, Fog & Smoke | Elevators | Environmental Lighting & Weather | Explosions | Fire | Foliage | Glass | Headcrab | Health | Ladders | Lighting | Optimization | Physics | Retinal scanners | Sound & Music | Special effects | Terrain | Trains | Turrets | Water | Zombie
Beams and Lasers can be added to the map to interact with its environment and add to the scenery.
- env_beam — A visible beam between two points
- env_laser — Laser with optional end sprite & sparks at the end
- func_tanklaser - A brush entity that functions as a laser turret.
- func_tankpulselaser - Fires a laser at a specific speed