import{_ as s,c as i,o as a,a2 as t}from"./chunks/framework.BV61Qrc0.js";const y=JSON.parse('{"title":"mbcp.mp_math.point","description":"","frontmatter":{"title":"mbcp.mp_math.point"},"headers":[],"relativePath":"api/mp_math/point.md","filePath":"api/mp_math/point.md"}'),n={name:"api/mp_math/point.md"},l=t(`
Point3
__init__(self, x: float, y: float, z: float)
说明: 笛卡尔坐标系中的点。
参数:
- x: x 坐标
- y: y 坐标
- z: z 坐标
def __init__(self, x: float, y: float, z: float):
"""
笛卡尔坐标系中的点。
Args:
x: x 坐标
y: y 坐标
z: z 坐标
"""
self.x = x
self.y = y
self.z = z
approx(self, other: Point3, epsilon: float = APPROX) -> bool
说明: 判断两个点是否近似相等。
返回: 是否近似相等
参数:
- other:
- epsilon:
def approx(self, other: 'Point3', epsilon: float=APPROX) -> bool:
"""
判断两个点是否近似相等。
Args:
other:
epsilon:
Returns:
是否近似相等
"""
return all([abs(self.x - other.x) < epsilon, abs(self.y - other.y) < epsilon, abs(self.z - other.z) < epsilon])
@overload
self + other: Vector3 => Point3
@overload
def __add__(self, other: 'Vector3') -> 'Point3':
...
@overload
self + other: Point3 => Point3
@overload
def __add__(self, other: 'Point3') -> 'Point3':
...
self + other
说明: P + V -> P P + P -> P
参数:
- other:
def __add__(self, other):
"""
P + V -> P
P + P -> P
Args:
other:
Returns:
"""
return Point3(self.x + other.x, self.y + other.y, self.z + other.z)
__eq__(self, other)
说明: 判断两个点是否相等。
参数:
- other:
def __eq__(self, other):
"""
判断两个点是否相等。
Args:
other:
Returns:
"""
return approx(self.x, other.x) and approx(self.y, other.y) and approx(self.z, other.z)
self - other: Point3 => Vector3
说明: P - P -> V
P - V -> P 已在 :class:Vector3
中实现
参数:
- other:
def __sub__(self, other: 'Point3') -> 'Vector3':
"""
P - P -> V
P - V -> P 已在 :class:\`Vector3\` 中实现
Args:
other:
Returns:
"""
from .vector import Vector3
return Vector3(self.x - other.x, self.y - other.y, self.z - other.z)