From http://www.jwz.org/xscreensaver/xscreensaver-5.22.tar.gz

[xscreensaver] / hacks / substrate.c

diff --git a/hacks/substrate.c b/hacks/substrate.c
index 517c4977e9ec489ef4d72b95da2c93318d1d4d2a..82ea6d9ee81bedf4b2dc720de28e6ae64ad134d9 100644 (file)
--- a/hacks/substrate.c
+++ b/hacks/substrate.c
@@ -720,6 +720,9 @@ static const char *substrate_defaults[] = {
     "*maxCracks: 100",
     "*sandGrains: 64",
     "*circlePercent: 33",
+#ifdef USE_IPHONE
+  "*ignoreRotation: True",
+#endif
     0
 };