PlaybackRate shortcuts clean up.

Author: mrdoob

index.html

@@ -133,11 +133,14 @@
 						break;
 					case 38:
 						event.preventDefault();
-						editor.speedUp();
+						editor.player.playbackRate += 0.1;
+						editor.signals.playbackRateChanged.dispatch( editor.player.playbackRate );
 						break;
 					case 40:
 						event.preventDefault();
-						editor.speedDown();
+						editor.player.playbackRate -= 0.1;
+						editor.player.playbackRate = Math.max( 0, editor.player.playbackRate );
+						editor.signals.playbackRateChanged.dispatch( editor.player.playbackRate );
 						break;
 					case 83:
 						break;

js/Editor.js

@@ -175,20 +175,6 @@ Editor.prototype = {
 
 	},
 
-	speedUp: function () {
-
-		this.player.playbackRate += 0.1;
-		this.signals.playbackRateChanged.dispatch( this.player.playbackRate );
-
-	},
-
-	speedDown: function () {
-
-		this.player.playbackRate -= 0.1;
-		this.signals.playbackRateChanged.dispatch( this.player.playbackRate );
-
-	},
-
 	setTime: function ( time ) {
 
 		// location.hash = time;