ref: 0a04c0ef0e6f891e7b1342f862f4c8d5719e2cfa dir: /dotproduct.c/
#include "quakedef.h" float DotProduct(const vec3_t v1, const vec3_t v2) { return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2]; }