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bilibili--'s Introduction

BiliBili--

模仿2020年哔哩哔哩主站 秋季高斯模糊的header实现 image

#实现思路

  • 首先我们使用6张图堆叠而成的,以图片的左边为起点看做0，图片的右边为终点，看做1的话，当鼠标从0到1时，图片的高斯模糊情况是这样的，作为背景图的1随着鼠标的右移慢慢模糊,其他5分图层也是如此，所以我们需要知道这个图层在0-1之间占哪一个位置，0-1是通过当前的clientX去除以整个图片的宽度获得的，其高斯模糊附和线性函数x^{2}变化规律，但x^{2}变化的幅度与原版还是有差异，经过尝试后发现其变化程序与x^{2}\cdot20 类似，如下图所示 image -所以在这个函数中的x我们需要用index/图层数组的长度-他在整个图层中所占的位置

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