al_fixsin3
Allegro 5 api
Usage
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#include <allegro5/allegro.h> al_fixed al_fixsin(al_fixed x);
Overview
This function finds the sine of a value using a lookup table. The input value must be a fixed point binary angle.
Example:
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al_fixed angle; int result; /* Set the binary angle to 90 degrees. */ angle = al_itofix(64); /* The sine of 90 degrees is one. */ result = al_fixtoi(al_fixsin(angle)); assert(result == 1);
Return value
Returns the sine of a fixed point binary format angle as a fixed point value.