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Fixing rotations #6

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Fixing rotations #6

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13 changes: 6 additions & 7 deletions hexpex/hex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,17 +195,16 @@ def rotate(self: T, hexes: Iterable[T], angle: int) -> set[T]:
if angle % 60 != 0:
raise ValueError("argument of 'angle' must be in 60 degree increments.")

rotated = set()
rotated = list()
# Negative angles return the step count for clockwise rotation so no differntiation needed
steps = abs((angle % 360) // 60)

for hex in hexes:
vector = hex - self
if angle > 0:
*_, vector = (hex._rotate_clockwise() for _ in range(steps))
elif angle < 0:
*_, vector = (hex._rotate_counterclockwise() for _ in range(steps))
rotated.add(self + vector)
return rotated
for _ in range(steps):
vector = vector._rotate_clockwise()
rotated.append(self + vector)
return tuple(rotated)

def to_tuple(self) -> tuple[int, ...]:
"""Convert self to tuple representation."""
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