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