topical media & game development

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lib-flex-animation-code-10-gs-easing-Back.ax

lib-flex-animation-code-10-gs-easing-Back.ax (swf ) [ flash ] flex


  package gs.easing {
          public class @ax-lib-flex-animation-code-10-gs-easing-Back {
                  public static function easeIn (t:Number, b:Number, c:Number, d:Number, s:Number = 1.70158):Number {
                          return c*(t/=d)*t*((s+1)*t - s) + b;
                  }
                  public static function easeOut (t:Number, b:Number, c:Number, d:Number, s:Number = 1.70158):Number {
                          return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
                  }
                  public static function easeInOut (t:Number, b:Number, c:Number, d:Number, s:Number = 1.70158):Number {
                          if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
                          return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
                  }
          }
  }
  


(C) Æliens 19/08/2009

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