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1 files changed, 43 insertions, 43 deletions

diff --git a/js/shader.js b/js/shader.js
index 55bb2c7..8d13546 100644
--- a/js/shader.js
+++ b/js/shader.js
@@ -1,46 +1,46 @@
 var shader = (function(){
-	var fn_str, fn, lex
-	var exports = {}
-	var animating = false
-	
-	exports.init = function(){
-		lex = new Lex (0, 0)
-		exports.build(demo_shader.innerHTML)
-	}
-	exports.build = function (fn_str){
-		try {
-			new_fn = new Function('lex', 'x', 'y', 'w', 'h', 't', fn_str)
-			new_fn(lex, 0, 0, 1, 1, 0)
-		}
-		catch (e) {
-			throw 'Shader execution error'
-		}
-		exports.fn = fn = new_fn
-		return fn
-	}
-	exports.run = function(canvas){
-		var t = +new Date, w = canvas.w, h = canvas.h
-		canvas.forEach(function(lex, x, y){
-			fn(lex, x, y, w, h, t)
-			lex.build()
-		})
-	}
-	exports.toggle = function(state){
-		animating = typeof state == "boolean" ? state : ! animating
-		return animating
-	}
-	exports.pause = function(){
-		animating = false
-	}
-	exports.play = function(){
-		animating = true
-	}
-	exports.animate = function (t){
-		requestAnimationFrame(exports.animate)
-		if (! animating) { return }
-		exports.run(canvas)
-	}
-	
-	return exports
+  var fn_str, fn, lex
+  var exports = {}
+  var animating = false
+  
+  exports.init = function(){
+    lex = new Lex (0, 0)
+    exports.build(demo_shader.innerHTML)
+  }
+  exports.build = function (fn_str){
+    try {
+      new_fn = new Function('lex', 'x', 'y', 'w', 'h', 't', fn_str)
+      new_fn(lex, 0, 0, 1, 1, 0)
+    }
+    catch (e) {
+      throw 'Shader execution error'
+    }
+    exports.fn = fn = new_fn
+    return fn
+  }
+  exports.run = function(canvas){
+    var t = +new Date, w = canvas.w, h = canvas.h
+    canvas.forEach(function(lex, x, y){
+      fn(lex, x, y, w, h, t)
+      lex.build()
+    })
+  }
+  exports.toggle = function(state){
+    animating = typeof state == "boolean" ? state : ! animating
+    return animating
+  }
+  exports.pause = function(){
+    animating = false
+  }
+  exports.play = function(){
+    animating = true
+  }
+  exports.animate = function (t){
+    requestAnimationFrame(exports.animate)
+    if (! animating) { return }
+    exports.run(canvas)
+  }
+  
+  return exports
 
 })()