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✨ vector: 添加投影向量方法
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@ -104,6 +104,20 @@ class Vector3:
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self.y /= length
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self.z /= length
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def project(self, other: 'Vector3') -> 'Vector3':
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r"""
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返回自向量在另一个向量上的投影向量。
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:::tip
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投影向量计算公式:
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$$ \text{proj}_v(u) = \frac{u \cdot v}{|v|^2} \cdot v $$
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:::
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Args:
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other ([`Vector3`](#class-vector3)): 另一个向量
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Returns:
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[`Vector3`](#class-vector3): 投影向量
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"""
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return (self @ other / other.length) * other.unit
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@property
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def np_array(self) -> 'np.ndarray':
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"""
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