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