From 7905b19ec9edd661ee18fcb0b210dc113b58974a Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 30 Jan 2006 15:35:35 +0000
Subject: [PATCH] use fmod() when incrementing CubeRot

---
 progs/demos/gearbox.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/progs/demos/gearbox.c b/progs/demos/gearbox.c
index fa4cbe726fc..3a1662cd625 100644
--- a/progs/demos/gearbox.c
+++ b/progs/demos/gearbox.c
@@ -325,10 +325,9 @@ idle(void)
   dt = t - t0;
   t0 = t;
 
-  GearRot += 70.0 * dt;  /* 70 degrees per second */
-  GearRot = fmod(GearRot, 360.0); /* prevents eventual overflow */
-
-  CubeRot += 15.0 * dt;
+  /* fmod to prevent overflow */
+  GearRot = fmod(GearRot + 70.0 * dt, 360.0);  /* 70 deg/sec */
+  CubeRot = fmod(CubeRot + 15.0 * dt, 360.0);  /* 15 deg/sec */
 
   glutPostRedisplay();
 }