momou
V2EX  ›  问与答

1.70158是一个神马数?经常见到,不明求解。。。

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  •   momou · Oct 31, 2012 · 4867 views
    This topic created in 4966 days ago, the information mentioned may be changed or developed.
    如题,求大神解答。。。
    3 replies    1970-01-01 08:00:00 +08:00
    mitnk
        1
    mitnk  
       Oct 31, 2012   ❤️ 1
    poplar
        2
    poplar  
       Oct 31, 2012   ❤️ 1
    算出来的这个值,
    JavaScript Easing functions 中,恰好1.70158 equal a 10% "bounce"
    1.70158 produces an overshoot of 10 percent
    一个一元三次方程实根

    参考 http://www.cnblogs.com/cocos2d-x/archive/2012/03/17/2403007.html 可以自己算看看。
    momou
        3
    momou  
    OP
       Oct 31, 2012
    @mitnk
    @poplar
    多谢两位!
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