topical media & game development
lib-as-com-asinmotion-easing-Bounce.ax
lib-as-com-asinmotion-easing-Bounce.ax
(swf
)
[ flash
]
flex
package com.asinmotion.easing{
public class @ax-lib-as-com-asinmotion-easing-Bounce {
public static function easeOut (t:Number, b:Number, c:Number, d:Number):Number {
if ((t/=d) < (1/2.75)) {
return c*(7.5625*t*t) + b;
} else if (t < (2/2.75)) {
return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
} else if (t < (2.5/2.75)) {
return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
} else {
return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
}
}
public static function easeIn (t:Number, b:Number, c:Number, d:Number):Number {
return c - @ax-lib-as-com-asinmotion-easing-Bounce.easeOut(d-t, 0, c, d) + b;
}
public static function easeInOut (t:Number, b:Number, c:Number, d:Number):Number {
if (t < d/2) return @ax-lib-as-com-asinmotion-easing-Bounce.easeIn(t*2, 0, c, d) * .5 + b;
else return @ax-lib-as-com-asinmotion-easing-Bounce.easeOut(t*2-d, 0, c, d) * .5 + c*.5 + b;
}
}
}
(C) Æliens
20/2/2008
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