make sure rotation plugged into sin/cos lookup tables is always positive, fixes FP...

diff --git a/progs/samples/star.c b/progs/samples/star.c
index 62d7d85..570c3e1 100644 (file)
--- a/progs/samples/star.c
+++ b/progs/samples/star.c
@@ -129,6 +129,9 @@ void MoveStars(void)
         if (stars[n].rotation > MAXANGLES) {
             stars[n].rotation = 0.0;
        }
+        else if (stars[n].rotation < 0.0) {
+           stars[n].rotation += 360.0;
+        }
     }
 }