def merge(self, other):
"""
Return merge of this and other box. Two boxes need not overlap.
"""
# min/max corners
vmin = minimum(self._min, other._min)
vmax = maximum(self._max, other._max)
return Box(vmin, vmax)
def intersect(self, other):
"""Return intersection between this and other box, if overlaps."""
if self.overlaps(other):
# min/max corners
vmin = maximum(self._min, other._min)
vmax = minimum(self._max, other._max)
return Box(vmin, vmax)
else:
return None
def set_coords(self, v1, v2):
"""Reset the box coordinates."""
self._min = minimum(v1, v2)
self._max = maximum(v1, v2)
self._size = self._max - self._min
