static var registryKey:String = 'pennerEasing';
        
        

* Generates linear tween with constant velocity and no acceleration. *
parameter: t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function linear(t:Number, b:Number, c:Number, d:Number):Number { return c*t/d+b; } /** * Generates quadratic, or "normal" easing in tween where equation for motion is based on a squared variable. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeInQuad(t:Number, b:Number, c:Number, d:Number):Number { return c*(t /= d)*t+b; } /** * Generates quadratic, or "normal" easing out tween where equation for motion is based on a squared variable. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeOutQuad(t:Number, b:Number, c:Number, d:Number):Number { return -c*(t /= d)*(t-2)+b; } /** * Generates quadratic, or "normal" easing in-out tween (two half tweens fused together) where equation for motion is based on a squared variable. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeInOutQuad(t:Number, b:Number, c:Number, d:Number):Number { if ((t /= d/2)<1) { return c/2*t*t+b; } return -c/2*((--t)*(t-2)-1)+b; } /** * Generates exponential (sharp curve) easing in tween where equation for motion is based on the number 2 raised to a multiple of 10. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeInExpo(t:Number, b:Number, c:Number, d:Number):Number { return (t == 0) ? b : c*Math.pow(2, 10*(t/d-1))+b; } /** * Generates exponential (sharp curve) easing out tween where equation for motion is based on the number 2 raised to a multiple of 10. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeOutExpo(t:Number, b:Number, c:Number, d:Number):Number { return (t == d) ? b+c : c*(-Math.pow(2, -10*t/d)+1)+b; } /** * Generates exponential (sharp curve) easing in-out tween where equation for motion is based on the number 2 raised to a multiple of 10. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeInOutExpo(t:Number, b:Number, c:Number, d:Number):Number { if (t == 0) { return b; } if (t == d) { return b+c; } if ((t /= d/2)<1) { return c/2*Math.pow(2, 10*(t-1))+b; } return c/2*(-Math.pow(2, -10*--t)+2)+b; } /** * Generates exponential (sharp curve) easing out-in tween where equation for motion is based on the number 2 raised to a multiple of 10. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @return final position */ static function easeOutInExpo(t:Number, b:Number, c:Number, d:Number):Number { if (t == 0) { return b; } if (t == d) { return b+c; } if ((t /= d/2)<1) { return c/2*(-Math.pow(2, -10*t)+1)+b; } return c/2*(Math.pow(2, 10*(t-2))+1)+b; } /** * Generates elastic easing in tween where equation for motion is based on Hooke's Law of F = -kd. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @param a (optional) amplitude, or magnitude of wave's oscillation * @param p (optional) period * @return final position */ static function easeInElastic(t:Number, b:Number, c:Number, d:Number, a:Number, p:Number):Number { var s:Number; if (t == 0) { return b; } if ((t /= d) == 1) { return b+c; } if (!p) { p = d*.3; } if (!a || aF = -kd. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @param a (optional) amplitude, or magnitude of wave's oscillation * @param p (optional) period * @return final position */ static function easeOutElastic(t:Number, b:Number, c:Number, d:Number, a:Number, p:Number):Number { var s:Number; if (t == 0) { return b; } if ((t /= d) == 1) { return b+c; } if (!p) { p = d*.3; } if (!a || aF = -kd. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @param a (optional) amplitude, or magnitude of wave's oscillation * @param p (optional) period * @return final position */ static function easeInOutElastic(t:Number, b:Number, c:Number, d:Number, a:Number, p:Number):Number { var s:Number; if (t == 0) { return b; } if ((t /= d/2) == 2) { return b+c; } if (!p) { p = d*(.3*1.5); } if (!a || aF = -kd. * @param t time * @param b beginning position * @param c total change in position * @param d duration of the tween * @param a (optional) amplitude, or magnitude of wave's oscillation * @param p (optional) period * @return final position */ static function easeOutInElastic(t:Number, b:Number, c:Number, d:Number, a:Number, p:Number):Number { var s:Number; if (t == 0) { return b; } if ((t /= d/2) == 2) { return b+c; } if (!p) { p = d*(.3*1.5); } if (!a || a

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[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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(C) Æliens 27/08/2009

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