cf_perp¶ Category: math GitHub: cute_math.h Returns the skew of a vector. This acts like a 90 degree rotation counter-clockwise. In this case perp stands for perpendicular. CF_V2 cf_perp(CF_V2 a) { return cf_v2(-a.y, a.x); } Related Pages¶ CF_V2 cf_skew cf_cw90 cf_det2 cf_cross