2024-08-28 22:07:43 +08:00
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---
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title: mbcp.mp_math.segment
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---
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### **class** `Segment3`
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### *method* `__init__(self, p1: Point3, p2: Point3)`
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2024-08-29 13:46:59 +08:00
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**説明**: 三维空间中的线段。
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2024-08-28 22:07:43 +08:00
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:param p1:
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:param p2:
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<details>
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2024-08-29 13:46:59 +08:00
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<summary> <b>ソースコード</b> </summary>
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2024-08-28 22:07:43 +08:00
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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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