Fixed rotation on beam sprites?

[Jake]

I'm trying to draw beams so that the texture always faces up rather than the default billboard rotation but I'm not sure where to start, or if it's possible. I'm hoping somebody here might know

[iPlayer]

You need a specific VMT/SPR-file with "$spriteorientation" shader.

https://developer.valvesoftware.com/wiki/Sprite#.22.24spriteorientation.22_parameters_for_.vmt

As you can see, "default billboard location" is

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"$spriteorientation"   "vp_parallel"   // Always faces the player (all angles are changing)


You need

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"$spriteorientation"   "parallel_upright"   // Faces the player, but keeps upright (one angle is unchanged)


[Jake]

I'll give it a shot, thanks!