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@marten-voorberg
Last active October 5, 2020 19:09
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Vector3 Class Python
import math
class Vector3:
def __init__(self, x, y, z):
self.x = x
self.y = y
self.z = z
# Used for debugging. This method is called when you print an instance
def __str__(self):
return "(" + str(self.x) + ", " + str(self.y) + ", " + str(self.z) + ")"
def get_length(self):
return math.sqrt(self.x ** 2 + self.y ** 2 + self.z ** 2)
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, n):
return Vector3(self.x * n, self.y * n, self.z * n)
# def __div__(self, n):
# n /= -1
# return self * n
@staticmethod
def dot_product(v1, v2):
return (v1.x * v2.x + v1.y * v2.y + v1.z * v2.z)
v1 = Vector3(1, 3, 5)
v2 = Vector3(2, 4, 6)
v3 = v1 + v2
v4 = v1 - v2
v5 = v1 * 2
# v6 = v1 / 2
n = Vector3.dot_product(v1, v2)
print(v1)
print(v2)
print(v3)
print(v4)
print(v5)
# print(v6)
print(n)
@aaronfranke
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Why is division commented out?

@iWrote
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iWrote commented Jul 27, 2019

The division hasn't been implemented correctly. The method to emulate numeric object division is object.__truediv__()
Scroll down to article 3.3.8

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