Merge pull request processing#499 from spencermathews/feature/ortho-fix

REAS · web-flow · commit 08645168b0fd · 2016-11-16T21:02:46.000-08:00
Ortho example in p3d tutorial is broken
diff --git a/content/static/tutorials/p3d/index.html b/content/static/tutorials/p3d/index.html
@@ -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);`