@@ -394,7 +394,7 @@ <h3>Perspective</h3>
     float cameraZ = (height/2.0) / tan(fov/2.0); 
     perspective(fov, float(width)/float(height), cameraZ/2.0, cameraZ*2.0); 
   } else {
-    ortho(0, width, 0, height); 
+    ortho(-width/2, width/2, -height/2, height/2);
   }
   translate(width/2, height/2, 0);
   rotateX(-PI/6);
Original file line number	Diff line number	Diff line change
@@ -394,7 +394,7 @@ <h3>Perspective</h3>
394	394	float cameraZ = (height/2.0) / tan(fov/2.0);
395	395	perspective(fov, float(width)/float(height), cameraZ/2.0, cameraZ*2.0);
396	396	} else {
397		- ortho(0, width, 0, height);
	397	+ ortho(-width/2, width/2, -height/2, height/2);
398	398	}
399	399	translate(width/2, height/2, 0);
400	400	rotateX(-PI/6);