From http://www.jwz.org/xscreensaver/xscreensaver-5.30.tar.gz

[xscreensaver] / hacks / glx / sproingies.c

diff --git a/hacks/glx/sproingies.c b/hacks/glx/sproingies.c
index 0892eff873da2e11d8bf81fdf34ada83201767ac..42ccf2ba454b3641983665910afdc69067a0a2ea 100644 (file)
--- a/hacks/glx/sproingies.c
+++ b/hacks/glx/sproingies.c
@@ -551,7 +551,11 @@ RenderSproingie(int t, sp_instance * si)
                glTranslatef((GLfloat) (thisSproingie->x) + 0.5,
                             (GLfloat) (thisSproingie->y) + 0.5,
                             (GLfloat) (thisSproingie->z) - 0.5);
-               scale = (GLfloat) (1 << (thisSproingie->frame - BOOM_FRAME));
+               {
+                       int boom_scale = thisSproingie->frame - BOOM_FRAME;
+                       if (boom_scale >= 31) boom_scale = 31;
+                       scale = (GLfloat) (1 << boom_scale);
+               }
                glScalef(scale, scale, scale);
                if (!si->wireframe) {
                        if (!si->mono)