add extjs 6.0.1 sources

[extjs.git] / extjs / packages / core / src / fx / easing / EaseIn.js

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