Self-illumination

Self-illumination on the Cheater's Lament.

Self-illumination is a feature of the Source Engine that causes certain textures to appear to glow when in areas with little light. This effect is used to add to the appearance of certain items in Team Fortress 2.

Objects that glow in the dark

Class	Type	Object	Location of glow
Scout	Weapons	Sun-on-a-Stick	The orange segments.
	Misc	Sign of the Wolf's School	The glowing eyes.
Pyro	Weapons	Sharpened Volcano Fragment	The orange segments.
Engineer	Hats	Mining Light	The lightbulb.
		Industrial Festivizer	The festive lights.
All classes	Hats	A Rather Festive Tree	The lights and the star.
		Cheater's Lament	The halo.
		Horseless Headless Horsemann's Head	The inside areas. Set to fade in and out.
		Aperture Labs Hard Hat	The lightbulb with a team-colored lens.

External links

• $selfillum on the Valve Developer Community