44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
import math
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class Direction:
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def __init__(self, horizontal=0, vertical=0):
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self.horizontal = horizontal
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self.vertical = vertical
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def __add__(self, other):
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return Direction(self.horizontal + other.x, self.vertical + other.y)
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def __sub__(self, other):
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return Direction(self.horizontal - other.x, self.vertical - other.y)
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def __mul__(self, scalar):
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return Direction(self.horizontal * scalar, self.vertical * scalar)
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def __truediv__(self, scalar):
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if scalar != 0:
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return Direction(self.horizontal / scalar, self.vertical / scalar)
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else:
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raise ValueError("Cannot divide by zero")
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def magnitude(self):
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return math.sqrt(self.horizontal**2 + self.vertical**2)
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def normalize(self):
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mag = self.magnitude()
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if mag != 0:
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return Direction(self.horizontal / mag, self.vertical / mag)
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else:
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return Direction(0, 0)
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def dot(self, other):
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return self.horizontal * other.x + self.vertical * other.y
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def __repr__(self):
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return f"Direction(x={self.horizontal}, y={self.vertical})"
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Direction.forward = Direction(0, 0)
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Direction.backward = Direction(-180, 0)
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Direction.up = Direction(0, 90)
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Direction.down = Direction(0, -90)
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Direction.left = Direction(-90, 0)
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Direction.right = Direction(90, 0) |