def quality(depth):
delta = 0
y, x = ac.size(depth)
y, x = y / 2, x / 2
q = 0
i, j, ref = x-1, x, depth[y, x]
while i > 0:
if WallAlign.dist(depth[y, i], ref) <= delta:
depth[y, i] = 0
depth[y + 1, i] = 229
depth[y - 1, i] = 229
q += 1
else:
break
i -= 1
while j < x * 2:
if WallAlign.dist(depth[y, j], ref) <= delta:
depth[y, j] = 229
depth[y + 1, j] = 0
depth[y - 1, j] = 249
q += 1
else:
break
j += 1
return q
def quality2(depth):
y, x = ac.size(depth)
y, x = y / 2, x / 2
return q
