From http://www.jwz.org/xscreensaver/xscreensaver-5.16.tar.gz

[xscreensaver] / hacks / glx / flipflop.c

diff --git a/hacks/glx/flipflop.c b/hacks/glx/flipflop.c
index 6f3743ccb21d6acc070b43790c758b3a822eec6d..0d534e53785b81fc5bb92cf48fb35acdcc3fbaa9 100644 (file)
--- a/hacks/glx/flipflop.c
+++ b/hacks/glx/flipflop.c
@@ -265,10 +265,14 @@ display(Flipflopcreen *c)
     glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
 
 
+    glRotatef(current_device_rotation(), 0, 0, 1);
+
     /** setup perspectif */
     glTranslatef(0.0, 0.0, -c->reldist*board_avg_size);
     glRotatef(22.5, 1.0, 0.0, 0.0);  
+    glRotatef(-current_device_rotation(), 0, 0, 1);
     gltrackball_rotate (c->trackball);
+    glRotatef(current_device_rotation(), 0, 0, 1);
     glRotatef(c->theta*100, 0.0, 1.0, 0.0);
     glTranslatef(-0.5*board_x_size, 0.0, -0.5*board_y_size); /* Center the board */