add sprite demo to index

Author: greggman

README.html

@@ -16,7 +16,7 @@ <h1>WebGL Samples</h1>
 <p>These are various WebGL samples.</p>
 
 <p>Many of them use the tdl library which can be found at
-<a href="http://threedlibrary.googlecode.com">http://threedlibrary.googlecode.com</a>. <a href="http://code.google.com/p/threedlibrary/w/list">See the wiki for some terse docs</a>.</p>
+<a href="http://github.com/greggman/tdl">http://github.com/greggman/tdl</a>. </p>
 
 <p>One of them, the Aquarium (aquarium/aquarium.html) can be run
 synchronized across machines to form a multi-display simulation.

README.md

@@ -136,6 +136,13 @@ By Greggman
 
 By Greggman
 
+----
+[Sprites](http://webglsamples.org/sprites/index.html)
+
+<a href="http://webglsamples.org/sprites/index.html"><img src="http://webglsamples.org/sprites/sprites.jpg" /></a>
+
+By Ken Russell
+
 ----
 
 [Flexible Toon Shading](http://webglsamples.org/toon-shading/toon-shading.html)

index.html

@@ -175,6 +175,11 @@ <h2><a href="%(url)s">%(name)s</a></h2>
       name: 'Spacerocks',
       by: "Greggman",
     },
+    { url: 'sprites/index.html',
+      img: 'sprites/sprites.jpg',
+      name: 'Sprites',
+      by: "Ken Russell",
+    },
     { url: 'toon-shading/toon-shading.html',
       img: 'toon-shading/toon-shading.jpg',
       name: 'Flexible Toon Shading',