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path: root/public/assets/javascripts/ui/lib/AnimatedView.js
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Diffstat (limited to 'public/assets/javascripts/ui/lib/AnimatedView.js')
-rw-r--r--public/assets/javascripts/ui/lib/AnimatedView.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/public/assets/javascripts/ui/lib/AnimatedView.js b/public/assets/javascripts/ui/lib/AnimatedView.js
new file mode 100644
index 0000000..3c50b0a
--- /dev/null
+++ b/public/assets/javascripts/ui/lib/AnimatedView.js
@@ -0,0 +1,31 @@
+var AnimatedView = View.extend({
+
+ _animating: false,
+ last_t: 0,
+
+ startAnimating: function(){
+ if (this._animating) return
+ this._animating = true
+ this._animate()
+ },
+
+ stopAnimating: function(){
+ this._animating = false
+ },
+
+ _animate: function(t){
+ if (! this._animating) return
+
+ requestAnimationFrame(this._animate.bind(this))
+
+ var dt = t - this.last_t
+ this.last_t = t
+
+ if (! t) return
+
+ this.animate(t, dt)
+ },
+
+ animate: function(t, dt){},
+
+}) \ No newline at end of file