Render layers further apart.

src/glutils.cpp

@@ -79,7 +79,7 @@ void fmri::changeWindowSize(int w, int h)
     glViewport(0, 0, w, h);
 
     // Set the correct perspective.
-    gluPerspective(45.0f, ratio, 0.1f, 100.0f);
+    gluPerspective(45.0f, ratio, 0.1f, 10000.0f);
 
     // Get Back to the Modelview
     glMatrixMode(GL_MODELVIEW);

src/main.cpp

@@ -60,7 +60,7 @@ static void render()
         glPushMatrix();
         renderLayer(layer);
         glPopMatrix();
-        glTranslatef(-5, 0, 0);
+        glTranslatef(-10, 0, 0);
     }
     glPopMatrix();