EmissiveFX

Animated emissive (self-illumination) effects for GTFO weapons — plus a fully independent bullet tracer with an in-game color picker.

20 emissive modes · tracer from muzzle to impact point · floating 14-color panel · direct #RRGGBB input · no gameplay code patched.

Features

Bullet tracer (independent, off by default)

Draws a thin glowing energy beam from the muzzle to the impact point, fading out over ~1.5 s
14 preset colors via a floating panel, or type any #RRGGBB value directly in-game
Local player only; fully independent from every other option on the page

Emissive weapon effects (20 modes)

Scan policy — the renderer scan is the only source of stutter. Pick "Scan off" for zero stutter (effects stay visible, they just stop updating).

Recommended: install through r2modman / Thunderstore Mod Manager — it installs BepInExPack_GTFO automatically.

Manual:

In game: Settings → 效果 (Effects)

Row	What it does
弹轨特效	Tracer master switch (off by default)
弹轨颜色 >	Opens a floating panel with 14 preset colors — click one to apply, click again to collapse
弹轨颜色代码	Click, then type hex (0-9 / A-F). Enter confirm · Esc cancel · Backspace delete
总开关	Master switch for the emissive effects
扫描	Scan policy: Scan off / Try scan / Manual confirm
20 effect rows	Mutually exclusive — pick one

While the color panel is open you can nudge it with the arrow keys (position is saved automatically).

BepInEx\config\gtfoskin.emissivefx.cfg → [Trajectory]

Key	Default	Meaning
`Enabled`	`false`	tracer master switch
`Color`	`#B478FF`	tracer color (also written by the in-game picker)
`LifetimeSeconds`	`1.5`	fade-out time
`WidthMeters`	`0.02`	beam width (`0.007` = thinner)
`MaxDistanceMeters`	`200`	length drawn when nothing is hit
`StartWidthMul` / `EndWidthMul`	`1` / `0.35`	taper at muzzle / impact
`OnlyLocalPlayer`	`true`	draw only your own tracer
`TestKey`	`F8`	spawn a test tracer (leave empty to disable)
`ColorPanelX/Y/W/H`	`1410 / -220 / 770 / 860`	floating panel geometry

Emissive effects are only visible inside a level while holding a weapon — not in the lobby.
The tracer is off by default; enable it on the Effects page.
Only your own tracer is drawn (teammates' tracers are not shown).
Nothing in the game's gameplay code is patched: the tracer polls a read-only field and casts its own ray, so it cannot crash the game.

GTFO 武器自发光动态效果（20 种）+ 完全独立的弹轨特效。