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makevectors
From Quake Wiki
Syntax:
void makevectors(vector angles)
Creates relative forward, right and up vectors with length 1 from angles. These 3 directional vectors are stored in the global variables v_forward, v_right and v_up respectively.
Note that because these are global variables, running makevectors on another set of angles will destroy the previously calculated vectors.
Parameters:
angles- The angles that will be used to generate the vectors
Returns:
- void