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60 lines
968 B
Markdown
60 lines
968 B
Markdown
---
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title: mbcp.mp_math.segment
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---
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### ***class*** `Segment3`
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### *def* `__init__(self, p1: 'Point3', p2: 'Point3')`
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三维空间中的线段。
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:param p1:
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:param p2:
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<details>
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<summary>源碼</summary>
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```python
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def __init__(self, p1: 'Point3', p2: 'Point3'):
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"""
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三维空间中的线段。
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:param p1:
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:param p2:
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"""
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self.p1 = p1
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self.p2 = p2
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'方向向量'
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self.direction = self.p2 - self.p1
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'长度'
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self.length = self.direction.length
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'中心点'
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self.midpoint = Point3((self.p1.x + self.p2.x) / 2, (self.p1.y + self.p2.y) / 2, (self.p1.z + self.p2.z) / 2)
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```
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</details>
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### *def* `__repr__(self)`
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<details>
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<summary>源碼</summary>
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```python
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def __repr__(self):
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return f'Segment3({self.p1}, {self.p2})'
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```
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</details>
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### *def* `__str__(self)`
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<details>
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<summary>源碼</summary>
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```python
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def __str__(self):
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return f'Segment3({self.p1} -> {self.p2})'
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```
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</details>
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