class com.robertpenner.easing.Linear { static function easeNone (t:Number, b:Number, c:Number, d:Number):Number { var a = c*t/d + b; return a; } static function easeIn (t:Number, b:Number, c:Number, d:Number):Number { return c*t/d + b; } static function easeOut (t:Number, b:Number, c:Number, d:Number):Number { return c*t/d + b; } static function easeInOut (t:Number, b:Number, c:Number, d:Number):Number { return c*t/d + b; } }