import{_ as s,c as i,o as a,a2 as n}from"./chunks/framework.BV61Qrc0.js";const E=JSON.parse('{"title":"mbcp.mp_math.utils","description":"","frontmatter":{"title":"mbcp.mp_math.utils"},"headers":[],"relativePath":"zht/api/mp_math/utils.md","filePath":"zht/api/mp_math/utils.md"}'),l={name:"zht/api/mp_math/utils.md"},t=n(`
clamp() -> float
区间限定函数
變數説明:
x: 待限定的值
min_: 最小值
max_: 最大值
返回:
def clamp(x: float, min_: float, max_: float) -> float:
"""
区间限定函数
Args:
x: 待限定的值
min_: 最小值
max_: 最大值
Returns:
限制后的值
"""
return max(min(x, max_), min_)
approx(x: float = 0.0, y: float = APPROX) -> bool
判断两个数是否近似相等。或包装一个实数,用于判断是否近似于0。
變數説明:
x: 数1
y: 数2
epsilon: 误差
返回:
def approx(x: float, y: float=0.0, epsilon: float=APPROX) -> bool:
"""
判断两个数是否近似相等。或包装一个实数,用于判断是否近似于0。
Args:
x: 数1
y: 数2
epsilon: 误差
Returns:
是否近似相等
"""
return abs(x - y) < epsilon
sign(x: float = False) -> str
获取数的符号。
變數説明:
x: 数
only_neg: 是否只返回负数的符号
返回:
def sign(x: float, only_neg: bool=False) -> str:
"""获取数的符号。
Args:
x: 数
only_neg: 是否只返回负数的符号
Returns:
符号 + - ""
"""
if x > 0:
return '+' if not only_neg else ''
elif x < 0:
return '-'
else:
return ''
sign_format(x: float = False) -> str
格式化符号数 -1 -> -1 1 -> +1 0 -> ""
變數説明:
x: 数
only_neg: 是否只返回负数的符号
返回:
def sign_format(x: float, only_neg: bool=False) -> str:
"""格式化符号数
-1 -> -1
1 -> +1
0 -> ""
Args:
x: 数
only_neg: 是否只返回负数的符号
Returns:
符号 + - ""
"""
if x > 0:
return f'+{x}' if not only_neg else f'{x}'
elif x < 0:
return f'-{abs(x)}'
else:
return ''
Approx
__init__(self, value: RealNumber)
def __init__(self, value: RealNumber):
self.value = value
__eq__(self, other)
def __eq__(self, other):
if isinstance(self.value, (float, int)):
if isinstance(other, (float, int)):
return abs(self.value - other) < APPROX
else:
self.raise_type_error(other)
elif isinstance(self.value, Vector3):
if isinstance(other, (Vector3, Point3, Plane3, Line3)):
return all([approx(self.value.x, other.x), approx(self.value.y, other.y), approx(self.value.z, other.z)])
else:
self.raise_type_error(other)
raise_type_error(self, other)
def raise_type_error(self, other):
raise TypeError(f'Unsupported type: {type(self.value)} and {type(other)}')
__ne__(self, other)
def __ne__(self, other):
return not self.__eq__(other)