代码初始化

behavior_pack_v8jz0zSR/Script_NeteaseModousIY5aSF/BlueFoxTools/SpecialFunciton/BlueFoxMath.py

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+# coding=utf-8
+from math import *
+from ..ToolsConfig import *
+import time
+
+
+
+class GraduallySum(object):
+    """
+    渐变数
+    """
+
+    def __init__(self, coefficient, target, initValue):
+        self.target = target
+        self.coefficient = coefficient
+        self.value = initValue
+
+    def ResetCoefficient(self, newCoefficient):
+        self.coefficient = newCoefficient
+
+    def Refresh(self):
+        self.value += self.coefficient * (self.target - self.value)
+
+    def ResetTarget(self, newTarget):
+        self.target = newTarget
+
+
+class GraduallySumTime(GraduallySum):
+    """
+    时间相关渐变数
+    """
+
+    def __init__(self, coefficient, target, initSum):
+        self.time = time.time()
+        super(GraduallySumTime, self).__init__(coefficient, target, initSum)
+
+    def Refresh(self):
+        _time = time.time()
+        coe = self.coefficient * (_time - self.time)
+        # 放置系数过大
+        coe = coe if coe < 0.99 else 0.99
+        self.value += coe * (self.target - self.value)
+
+
+def Clamp(value, _min, _max):
+    # type:(float,float,float) -> float
+    return _max if value > _max else _min if value < _min else value
+
+
+def ComBin(i, place, result):
+    # type:(int,int,int) -> bool
+    """
+    提取参数i位于place的结果并于result比较
+    例如输入：0b00101,0b10000,0b01110,则会返回false
+    """
+    return i & place == result & place
+
+
+def BinCal(i, place, result):
+    # type:(int,int,bool) -> int
+    """
+    为参数i设置位于place的result结果
+    例如输入：0b00100,0b00101,True
+    输出将会是：0b00101
+    """
+    return ((i | place) ^ place) | place * result
+
+
+def CosOfTwoVec(vec1, vec2):
+    """
+    获取两个相同维度向量的夹角cos值
+    """
+    if vec1.__len__() != vec2.__len__():
+        return 0
+    nv1 = Normalize(vec1)
+    nv2 = Normalize(vec2)
+    _ = 0
+    for index in range(nv1.__len__()):
+        _ += nv1[index] * nv2[index]
+    return _
+
+
+def Normalize(vec):
+    # type:(Union[List,Tuple]) -> Union[List,Tuple]
+    """
+    将任意维度向量转换为单位向量
+    """
+    r = 0
+    for _ in vec:
+        r += _ ** 2.0
+    r = r ** 0.5
+    cls = vec.__class__
+    return cls([(_ / r) for _ in vec])
+
+
+def GetTwoPointVec(pos1, pos2):
+    # type:(Union[List,Tuple],Union[List,Tuple]) -> Tuple
+    """
+    计算任意两点的方向向量, 非单位向量, pos1 -> pos2
+    """
+    li = []
+    if pos1.__len__() != pos2.__len__():
+        return tuple(li)
+    for index in range(pos1.__len__()):
+        li.append(pos2[index] - pos1[index])
+    return tuple(li)
+
+
+def MatProduct(vec, mat):
+    """
+    计算向量或者坐标与矩阵相乘, 需要i=j
+    """
+    new = [0.0 for _ in range(vec.__len__())]
+    lengthIndex = range(vec.__len__())
+    for _ in lengthIndex:
+        for __ in lengthIndex:
+            new[_] += vec[__] * mat[_][__]
+    return new