@@ -13,7 +13,7 @@
 <code><![CDATA[
 size(100, 100, P3D);
 noFill();
-ortho(0, width, 0, height); // same as ortho()
+ortho(-width/2, width/2, -height/2, height/2); // same as ortho()
 translate(width/2, height/2, 0);
 rotateX(-PI/6);
 rotateY(PI/3);
 
@@ -26,7 +26,7 @@ void draw() {
   if (showPerspective == true) {
     perspective(PI/3.0, float(width)/float(height), 10, far);
   } else {
-    ortho(0, width, 0, height, 10, far);
+    ortho(-width/2, width/2, -height/2, height/2, 10, far);
   }
   translate(width/2, height/2, 0);
   rotateX(-PI/6);
Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@ void draw() {`
`26`	`26`	`if (showPerspective == true) {`
`27`	`27`	`perspective(PI/3.0, float(width)/float(height), 10, far);`
`28`	`28`	`} else {`
`29`		`- ortho(0, width, 0, height, 10, far);`
	`29`	`+ ortho(-width/2, width/2, -height/2, height/2, 10, far);`
`30`	`30`	`}`
`31`	`31`	`translate(width/2, height/2, 0);`
`32`	`32`	`rotateX(-PI/6);`