src/src/fx/easing/Bounce.js

   1 /**
   2  * @private
   3  */
   4 Ext.define('Ext.fx.easing.Bounce', {
   5
   6     extend: 'Ext.fx.easing.Abstract',
   7
   8     config: {
   9         springTension: 0.3,
  10         acceleration: 30,
  11         startVelocity: 0
  12     },
  13
  14     getValue: function() {
  15         var deltaTime = Ext.Date.now() - this.getStartTime(),
  16             theta = (deltaTime / this.getAcceleration()),
  17             powTime = theta * Math.pow(Math.E, -this.getSpringTension() * theta);
  18
  19         return this.getStartValue() + (this.getStartVelocity() * powTime);
  20     }
  21 });