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fixtorad_r(3alleg4) Allegro manual fixtorad_r(3alleg4)

NAME

fixtorad_r - Constant to convert angles in fixed point format to radians. Allegro game programming library.

SYNOPSIS

#include <allegro.h>

extern const fixed fixtorad_r;

DESCRIPTION

This constant gives a ratio which can be used to convert a fixed point number in binary angle format to a fixed point number in radians. Example:


fixed rad_angle, binary_angle;
/* Set the binary angle to 90 degrees. */
binary_angle = 64;
/* Now convert to radians (about 1.57). */
rad_angle = fixmul(binary_angle, fixtorad_r);

SEE ALSO

fixmul(3alleg4), radtofix_r(3alleg4)

version 4.4.3 Allegro