topical media & game development
lib-as-com-asinmotion-easing-Back.ax
lib-as-com-asinmotion-easing-Back.ax
(swf
)
[ flash
]
flex
package com.asinmotion.easing{
public class @ax-lib-as-com-asinmotion-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
20/2/2008
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