man radtofix_r () - Constant to convert radians to fixed point angles. Allegro game programming library.
NAME
radtofix_r - Constant to convert radians to fixed point angles. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
extern const fixed radtofix_r;
DESCRIPTION
This constant gives a ratio which can be used to convert a fixed point number in radians to a fixed point number in binary angle format. Example:
fixed rad_angle, binary_angle; ... binary_angle = fixmul(rad_angle, radtofix_r);