71 lines
1.3 KiB
Python
71 lines
1.3 KiB
Python
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import math
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class Vector3():
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def __init__(self, x=0.0, y=0.0, z=0.0):
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self.x = x
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self.y = y
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self.z = z
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def __copy__(self):
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return Vector3(self.x, self.y, self.z)
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def copy(self):
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return Vector3(self.x, self.y, self.z)
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def __repr__(self):
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return '%s, %s, %s' % ( self.x, self.y, self.z )
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def __add__(self, v):
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return Vector3( self.x + v.x, self.y + v.y, self.z + v.z )
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def __sub__(self, v):
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return Vector3( self.x - v.x, self.y - v.y, self.z - v.z )
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def __mul__(self, v):
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return Vector3( self.x * v, self.y * v, self.z * v )
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def __div__(self, v):
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return Vector3( self.x / v, self.y / v, self.z / v )
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def __neg__(self):
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return Vector3( - self.x, - self.y, - self.z )
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def __iadd__(self, v):
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self.x += v.x
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self.y += v.x
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self.z += v.x
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return self
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def __isub__(self, v):
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self.x += v.x
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self.y += v.x
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self.z += v.x
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return self
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def __imul__(self, v):
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self.x *= v
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self.y *= v
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self.z *= v
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return self
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def __idiv__(self, v):
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self.x /= v
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self.y /= v
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self.z /= v
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return self
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def cross(self, v):
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return Vector3(self.y * v.z - self.z * v.y, -self.x * v.z + self.z * v.x, self.x * v.y - self.y * v.x)
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def vsize(self):
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return math.sqrt( self.x * self.x + self.y * self.y + self.z * self.z )
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def normalize(self):
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f = self.vsize()
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if f != 0.0:
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self.x /= f
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self.y /= f
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self.z /= f
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