From 92eddb0fd404624ca198f19e4088927701eec7f5 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 9 Jan 2005 17:37:50 +0000
Subject: better animate rate (Marcelo Magallon)

---
 progs/demos/morph3d.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'progs/demos/morph3d.c')

diff --git a/progs/demos/morph3d.c b/progs/demos/morph3d.c
index 2ce04a3099..047d571c70 100644
--- a/progs/demos/morph3d.c
+++ b/progs/demos/morph3d.c
@@ -660,6 +660,13 @@ static void draw_ico( void )
 }
 
 static void draw ( void ) {
+  static double t0 = -1.;
+  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+     t0 = t;
+  dt = t - t0;
+  t0 = t;
+
   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
   glPushMatrix();
@@ -681,7 +688,7 @@ static void draw ( void ) {
 
   glutSwapBuffers();
 
-  step+=0.05;
+  step += dt;
 }
 
 static void idle_( void )
-- 
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