/** * @private */Ext.define('Ext.fx.easing.EaseIn', { extend: 'Ext.fx.easing.Linear', alias: 'easing.ease-in', config: { exponent: 4, duration: 1500 }, getValue: function() { var deltaTime = Ext.Date.now() - this.getStartTime(), duration = this.getDuration(), startValue = this.getStartValue(), endValue = this.getEndValue(), distance = this.distance, theta = deltaTime / duration, thetaEnd = Math.pow(theta, this.getExponent()), currentValue = startValue + (thetaEnd * distance); if (deltaTime >= duration) { this.isEnded = true; return endValue; } return currentValue; }});