def test_foo(self):
start = Vector(0, 0, 0)
finish = Vector(4, 6, 0)
dir = (finish - start).normalize()
stepper = walk(start, dir)
self.failUnlessEqual(stepper.next(), Vector(0,0,0))
self.failUnlessEqual(stepper.next(), Vector(0,1,0))
self.failUnlessEqual(stepper.next(), Vector(1,1,0))
self.failUnlessEqual(stepper.next(), Vector(1,2,0))
self.failUnlessEqual(stepper.next(), Vector(2,2,0))
self.failUnlessEqual(stepper.next(), Vector(2,3,0))
def trace(self, start, direction, max_distance=64):
"""
This is a cheapISH and FLAWED traceline implementation for where accuracy isnt that important.
"""
count = max_distance
prev = start.copy()
for vec in walk(start, direction):
if self.get_block(vec).solid:
return prev
prev = vec
count -= 1
if count <= 0:
break
return prev
