From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz

[xscreensaver] / hacks / glx / voronoi.c

diff --git a/hacks/glx/voronoi.c b/hacks/glx/voronoi.c
index 1356b25ca0c42c96c5c9af692b93273b377efdbc..3844d95719d69b89969d12d90cdc0f7933f51d04 100644 (file)
--- a/hacks/glx/voronoi.c
+++ b/hacks/glx/voronoi.c
@@ -1,4 +1,4 @@
-/* voronoi, Copyright (c) 2007 Jamie Zawinski <jwz@jwz.org>
+/* voronoi, Copyright (c) 2007, 2008 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -11,7 +11,7 @@
 
 #define DEFAULTS        "*delay:        20000              \n" \
                         "*showFPS:      False              \n" \
-
+                       "*suppressRotationAnimation: True\n" \
 
 # define refresh_voronoi 0
 # define release_voronoi 0
@@ -142,31 +142,20 @@ cone (void)
   int i;
   int faces = 64;
   GLfloat step = M_PI * 2 / faces;
-  GLfloat s2 = step/2;
-  GLfloat th;
-  GLfloat x, y, x0, y0;
-
-  glBegin(GL_TRIANGLES);
-
-  th = 0;
-  x = 1;
-  y = 0;
-  x0 = cos (s2);
-  y0 = sin (s2);
+  GLfloat th = 0;
+  GLfloat x = 1;
+  GLfloat y = 0;
 
+  glBegin(GL_TRIANGLE_FAN);
+  glVertex3f (0, 0, 1);
   for (i = 0; i < faces; i++)
     {
-      glVertex3f(0,  0, 1);
-      glVertex3f(x, y, 0);
-
+      glVertex3f (x, y, 0);
       th += step;
-      x0 = cos (th + s2);
-      y0 = sin (th + s2);
-      x  = cos (th);
-      y  = sin (th);
-
-      glVertex3f(x, y, 0);
+      x = cos (th);
+      y = sin (th);
     }
+  glVertex3f (1, 0, 0);
   glEnd();
   return faces;
 }
@@ -310,6 +299,25 @@ draw_cells (ModeInfo *mi)
           glPopMatrix();
         }
     }
+
+#if 0
+  glPushMatrix();
+  glColor3f(1,1,1);
+  glBegin(GL_LINE_LOOP);
+  glVertex3f(0,0,0);
+  glVertex3f(1,0,0);
+  glVertex3f(1,1,0);
+  glVertex3f(0,1,0);
+  glEnd();
+  glScalef(0.25, 0.25, 1);
+  glBegin(GL_LINE_LOOP);
+  glVertex3f(0,0,0);
+  glVertex3f(1,0,0);
+  glVertex3f(1,1,0);
+  glVertex3f(0,1,0);
+  glEnd();
+  glPopMatrix();
+#endif
 }
 
 
@@ -326,6 +334,27 @@ reshape_voronoi (ModeInfo *mi, int width, int height)
   glLoadIdentity();
   glOrtho (0, 1, 1, 0, -1, 1);
 
+# ifdef HAVE_MOBILE    /* So much WTF */
+  {
+    int rot = current_device_rotation();
+
+    glTranslatef (0.5, 0.5, 0);
+    //  glScalef(0.19, 0.19, 0.19);
+
+    if (rot == 180 || rot == -180) {
+      glTranslatef (1, 1, 0);
+    } else if (rot == 90 || rot == -270) {
+      glRotatef (180, 0, 0, 1);
+      glTranslatef (0, 1, 0);
+    } else if (rot == -90 || rot == 270) {
+      glRotatef (180, 0, 0, 1);
+      glTranslatef (1, 0, 0);
+    }
+
+    glTranslatef(-0.5, -0.5, 0);
+  }
+# endif
+
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
@@ -449,16 +478,7 @@ init_voronoi (ModeInfo *mi)
 {
   voronoi_configuration *vp;
 
-  if (!vps) {
-    vps = (voronoi_configuration *)
-      calloc (MI_NUM_SCREENS(mi), sizeof (voronoi_configuration));
-    if (!vps) {
-      fprintf(stderr, "%s: out of memory\n", progname);
-      exit(1);
-    }
-
-    vp = &vps[MI_SCREEN(mi)];
-  }
+  MI_INIT (mi, vps, NULL);
 
   vp = &vps[MI_SCREEN(mi)];