Added example of how to setup the viewport array.

bringhurst · Jan 24, 2011 · 5fbe96f · 5fbe96f
1 parent a4fa269
commit 5fbe96f
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diff --git a/README.md b/README.md
@@ -6,6 +6,11 @@ This is a port of the usual gluUnProject function to javascript for use in WebGL
 Simple Example
 --------------
 
+    var viewportArray = [
+        viewportOriginX, viewportOriginY, viewportWidth, viewportHeight
+    ];
+
+    // The results of the operation will be stored in this array.
     var modelPointArrayResults = [];
 
     var success = GLU.unProject(