From f98c2d2cf594d3af7b705b21275baf30d484ef4b Mon Sep 17 00:00:00 2001
From: jdescottes <julian.descottes@gmail.com>
Date: Thu, 19 Dec 2013 00:15:40 +0100
Subject: [PATCH] Issue#148:JSError when deleting first frame + preview speed
 accuracy

---
 js/controller/PiskelController.js | 2 +-
 js/rendering/DrawingLoop.js       | 6 +-----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/js/controller/PiskelController.js b/js/controller/PiskelController.js
index 25028ce7..ab44d197 100644
--- a/js/controller/PiskelController.js
+++ b/js/controller/PiskelController.js
@@ -98,7 +98,7 @@
       l.removeFrameAt(index);
     });
     // Current frame index is impacted if the removed frame was before the current frame
-    if (this.currentFrameIndex >= index) {
+    if (this.currentFrameIndex >= index && this.currentFrameIndex > 0) {
       this.setCurrentFrameIndex(this.currentFrameIndex - 1);
     }
 
diff --git a/js/rendering/DrawingLoop.js b/js/rendering/DrawingLoop.js
index d746f684..e1816011 100644
--- a/js/rendering/DrawingLoop.js
+++ b/js/rendering/DrawingLoop.js
@@ -6,7 +6,6 @@
     this.isRunning = false;
     this.previousTime = 0;
     this.callbacks = [];
-    this.i = 0;
   };
 
   ns.DrawingLoop.prototype.addCallback = function (callback, scope, args) {
@@ -34,10 +33,7 @@
   ns.DrawingLoop.prototype.loop_ = function () {
     var currentTime = Date.now();
     var delta = currentTime - this.previousTime;
-    this.i++;
-    if(this.i%2 === 0) {
-      this.executeCallbacks_(delta);
-    }
+    this.executeCallbacks_(delta);
     this.previousTime = currentTime;
     this.requestAnimationFrame.call(window, this.loop_.bind(this));
   };