# HGE Common constants In case they are for some reasons missed, some common constants are defined in hge.h header:
    #define M_PI     3.14159265358979323846f
    #define M_PI_2   1.57079632679489661923f
    #define M_PI_4   0.785398163397448309616f
    #define M_1_PI   0.318309886183790671538f
    #define M_2_PI   0.636619772367581343076f
M_PI Pi constant M_PI_2 Pi/2 constant M_PI_4 Pi/4 constant M_1_PI 1/pi constant M_2_PI 2/pi constant ## Requirements Header: hge.h