1fixtorad_r(3) Allegro manual fixtorad_r(3)
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6 fixtorad_r - Constant to convert angles in fixed point format to radi‐
7 ans. Allegro game programming library.
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10 #include <allegro.h>
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13 extern const fixed fixtorad_r;
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16 This constant gives a ratio which can be used to convert a fixed point
17 number in binary angle format to a fixed point number in radians. Exam‐
18 ple:
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20 fixed rad_angle, binary_angle;
21 /* Set the binary angle to 90 degrees. */
22 binary_angle = 64;
23 /* Now convert to radians (about 1.57). */
24 rad_angle = fixmul(binary_angle, fixtorad_r);
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28 fixmul(3), radtofix_r(3)
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32Allegro version 4.4.2 fixtorad_r(3)