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authorBrian Paul <brian.paul@tungstengraphics.com>2005-01-08 23:52:01 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2005-01-08 23:52:01 +0000
commitc1065ee977f70042e54a930a6cd3af819d4a9806 (patch)
tree45053d22bc302bde8c627e9e8d2cc174a17c844a /progs/samples/wave.c
parent0261042bebe4c17afd3b581fac0ab5274dac3740 (diff)
compute reasonable animate rate (Marcelo Magallon)
Diffstat (limited to 'progs/samples/wave.c')
-rw-r--r--progs/samples/wave.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/progs/samples/wave.c b/progs/samples/wave.c
index 7ded49bedc..d3c4687459 100644
--- a/progs/samples/wave.c
+++ b/progs/samples/wave.c
@@ -87,9 +87,26 @@ GLubyte contourTexture2[] = {
255, 127, 127, 127,
};
+#if !defined(GLUTCALLBACK)
+#define GLUTCALLBACK
+#endif
+
+
void GLUTCALLBACK glut_post_redisplay_p(void)
{
- glutPostRedisplay();
+ static double t0 = -1.;
+ double t, dt;
+ t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
+ if (t0 < 0.)
+ t0 = t;
+ dt = t - t0;
+
+ if (dt < 1./30.)
+ return;
+
+ t0 = t;
+
+ glutPostRedisplay();
}
static void Animate(void)