wrap angle value (Philipp Klaus Krause)

diff --git a/progs/xdemos/glxgears.c b/progs/xdemos/glxgears.c
index 5969151..a82a0b9 100644 (file)
--- a/progs/xdemos/glxgears.c
+++ b/progs/xdemos/glxgears.c
@@ -424,6 +424,8 @@ event_loop(Display *dpy, Window win)
 
       /* next frame */
       angle += 2.0;
+      if (angle > 3600.0)
+       angle -= 3600.0;
 
       draw();
       glXSwapBuffers(dpy, win);