mbcp/docs/api/mp_math/point.md

title
mbcp.mp_math.point

class Point3

• def __init__(self, x: float, y: float, z: float)

笛卡尔坐标系中的点。

参数:

x: x 坐标

y: y 坐标

z: z 坐标

源码

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

• def approx(self, other: 'Point3', epsilon: float = APPROX)

判断两个点是否近似相等。

参数:

other:

epsilon:

源码

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])

• def __str__(self)

源码

def __str__(self):
    return f'Point3({self.x}, {self.y}, {self.z})'

• @overload

• def __add__(self, other: 'Vector3')

源码

@overload
def __add__(self, other: 'Vector3') -> 'Point3':
    ...

• @overload

• def __add__(self, other: 'Point3')

源码

@overload
def __add__(self, other: 'Point3') -> 'Point3':
    ...

• def __add__(self, other)

P + V -> P P + P -> P

参数:

other:

源码

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)

• def __eq__(self, other)

判断两个点是否相等。

参数:

other:

源码

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)