def fireTorpedos(mineField, xyzDeltas):
""" Given a MineField instance and a list of (x,y,z) ship offsets, fire a volley of torpedos.
"""
shipPosition = mineField.getShipPosition()
for xyzDelta in xyzDeltas:
torpedoPosition = MineField.addCoordinates(shipPosition, xyzDelta)
mineField.setMinePositions(
[ mp for mp in mineField.getMinePositions() if mp[0] != torpedoPosition[0] or mp[1] != torpedoPosition[1]]
)
def buildMoveFunction(xyzDelta):
""" Provided an (x,y,z) delta for a given move, return a function to execute that move.
"""
return lambda mineField, xyzDelta=xyzDelta: \
mineField.setShipPosition(MineField.addCoordinates(mineField.getShipPosition(), xyzDelta))