[haiku-commits] r40112 - haiku/trunk/src/add-ons/screen_savers/butterfly
- From: leavengood@xxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Tue, 4 Jan 2011 19:57:24 +0100 (CET)
Author: leavengood
Date: 2011-01-04 19:57:24 +0100 (Tue, 04 Jan 2011)
New Revision: 40112
Changeset: http://dev.haiku-os.org/changeset/40112
Modified:
haiku/trunk/src/add-ons/screen_savers/butterfly/Butterfly.cpp
Log:
Use a real random number generator instead of using a time hack. Add myself to
authors.
Modified: haiku/trunk/src/add-ons/screen_savers/butterfly/Butterfly.cpp
===================================================================
--- haiku/trunk/src/add-ons/screen_savers/butterfly/Butterfly.cpp
2011-01-04 18:00:43 UTC (rev 40111)
+++ haiku/trunk/src/add-ons/screen_savers/butterfly/Butterfly.cpp
2011-01-04 18:57:24 UTC (rev 40112)
@@ -4,13 +4,14 @@
*
* Authors:
* Geoffry Song, goffrie@xxxxxxxxx
+ * Ryan Leavengood, leavengood@xxxxxxxxx
*/
#include "Butterfly.h"
#include <math.h>
#include <stdlib.h>
-#include <sys/time.h>
+#include <OS.h>
#include <View.h>
#include <BuildScreenSaverDefaultSettingsView.h>
@@ -50,9 +51,10 @@
SetTickSize(20000);
- struct timeval tv;
- gettimeofday(&tv, NULL);
- fBase = tv.tv_usec * 0.01f;
+ // Set fBase to a random radian value scaled by 1000. The scaling
produces
+ // more interesting results.
+ srand48(system_time());
+ fBase = drand48() * 2 * M_PI * 1000;
// calculate transformation
BRect bounds = view->Bounds();
Other related posts:
- » [haiku-commits] r40112 - haiku/trunk/src/add-ons/screen_savers/butterfly - leavengood
