A_Tracer

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"Smoke" trail from a homing revenant missile.

A_Tracer is a code pointer used in the normal animation for the revenant's missile.

Uses

The A_Tracer code pointer appears in the following states in Doom's state table:

Frame number	Doom internal name	Use
316	S_TRACER	normal animation for the revenant's missile
317	S_TRACER2	normal animation for the revenant's missile

Example

The following is an example of how to set the A_Tracer code pointer in a DeHackEd file:

Pointer 21 (Frame 34)
Codep Frame = 317

Or using BEX syntax:

[CODEPTR]
Frame 1234 = Tracer

External links

• A_Tracer in the Doom source code.
• A_Tracer at the ZDoom wiki
• Tracer at the Eternity Engine wiki