Replaced while loop with mod operator.

libsdl-org · Oct 10, 2009 · 1eb54a3 · 1eb54a3
1 parent 33e59e1
commit 1eb54a3
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/effect_position.c b/effect_position.c
@@ -1295,9 +1295,7 @@ static void set_amplitudes(int channels, int angle, int room_angle)
     int left = 255, right = 255;
     int left_rear = 255, right_rear = 255, center = 255;
 
-        /* unwind the angle...it'll be between 0 and 359. */
-    while (angle >= 360) angle -= 360;
-    while (angle < 0) angle += 360;
+    angle = SDL_abs(angle) % 360;  /* make angle between 0 and 359. */
 
     if (channels == 2)
     {
@@ -1530,9 +1528,7 @@ int Mix_SetPosition(int channel, Sint16 angle, Uint8 distance)
     if (f == NULL)
         return(0);
 
-        /* unwind the angle...it'll be between 0 and 359. */
-    while (angle >= 360) angle -= 360;
-    while (angle < 0) angle += 360;
+    angle = SDL_abs(angle) % 360;  /* make angle between 0 and 359. */
 
     args = get_position_arg(channel);
     if (!args)