On my system(s), xglobe's stars show up in diagonal bands. I can only

conclude that rand() is not very random. This patch makes xglobe use
random() instead, and does a randomdev() in main() for good measure.

Approved by:	kris
This commit is contained in:
Nick Sayer 2001-02-25 03:06:40 +00:00
parent fc9e13fd5d
commit 83dc615256
Notes: svn2git 2021-03-31 03:12:20 +00:00
svn path=/head/; revision=38681

View file

@ -0,0 +1,47 @@
--- earthapp.cpp.orig Sat Feb 24 10:13:10 2001
+++ earthapp.cpp Sat Feb 24 10:13:29 2001
@@ -937,8 +937,8 @@
void EarthApplication::randomPosition()
{
- view_lat = ((rand()%30001)/30000.)*180. - 90.;
- view_long = ((rand()%30001)/30000.)*360. - 180.;
+ view_lat = ((random()%30001)/30000.)*180. - 90.;
+ view_long = ((random()%30001)/30000.)*360. - 180.;
}
/* ------------------------------------------------------------------------*/
--- renderer.cpp.orig Sat Feb 24 10:12:53 2001
+++ renderer.cpp Sat Feb 24 10:13:04 2001
@@ -1562,9 +1562,9 @@
for(int i=0; i<numstars; i++)
{
- x = rand() % renderedImage->width();
- y = rand() % renderedImage->height();
- brightness = 150+ (rand() % 106);
+ x = random() % renderedImage->width();
+ y = random() % renderedImage->height();
+ brightness = 150+ (random() % 106);
p = (unsigned int *)renderedImage->scanLine(y);
p += x;
*p = qRgb(brightness, brightness, brightness);
--- main.cpp.orig Tue Jul 13 10:32:55 1999
+++ main.cpp Sat Feb 24 10:14:56 2001
@@ -24,6 +24,7 @@
*/
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <qstring.h>
#include "config.h"
@@ -36,6 +37,8 @@
int main(int argc, char **argv)
{
EarthApplication myApp(argc, argv);
+
+ srandomdev();
#ifdef WITH_QIMAGEIO
qInitImageIO();