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fix: 更正贝塞尔曲线章节公式 #1265

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fix: 更正贝塞尔曲线章节公式 #1265

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2 changes: 1 addition & 1 deletion 7-animation/1-bezier-curve/article.md
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Expand Up @@ -77,7 +77,7 @@
例如，如果控制点是 `(0,0)`、`(0.5, 1)` 和 `(1, 0)`，则方程式为：

- <code>x = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 0.5 + t<sup>2</sup> * 1 = (1-t)t + t<sup>2</sup> = t</code>
- <code>y = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 1 + t<sup>2</sup> * 0 = 2(1-t)t = –t<sup>2</sup> + 2t</code>
- <code>y = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 1 + t<sup>2</sup> * 0 = 2(1-t)t = –2t<sup>2</sup> + 2t</code>

现在随着 `t` 从 `0` 到 `1` 变化，每个 `t` 对应的 `(x,y)` 集合可以构成曲线。

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