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67 lines
1.5 KiB
Python
67 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved
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@Time : 2024/8/6 下午12:57
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@Author : snowykami
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@Email : snowykami@outlook.com
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@File : line.py
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@Software: PyCharm
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"""
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from typing import overload, TYPE_CHECKING
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if TYPE_CHECKING:
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from mcpe.mp_math.point import Point3
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from mcpe.mp_math.vector import Vector3
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class Line3:
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def __init__(self, a: float, b: float, c: float, d:float):
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"""
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三维空间中的直线。
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:param a:
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:param b:
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:param c:
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:param d:
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"""
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self.a = a
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self.b = b
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self.c = c
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self.d = d
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def __str__(self):
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return f"Line3({self.a}, {self.b}, {self.c}, {self.d})"
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def get_perpendicular(self, p: "Point3") -> "Line3":
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"""
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获取直线经过指定点p的垂线。
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:param p: 指定点p，直线外的点
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:return: 垂直于self且过点p的直线
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"""
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a = -self.b
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b = self.a
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c = 0
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d = -(a * p.x + b * p.y + self.c * p.z)
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return Line3(a, b, c, d)
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def get_intersection(self, l: "Line3") -> "Point3":
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"""
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获取两空间直线的交点。
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:param l: 另一条直线，不平行于self，不共线，且共面
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:return: 交点
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"""
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# 平行检测
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if ...:
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...
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# 共线检测
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if ...:
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...
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# 不共线检测
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if ...:
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...
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