"""Represent the lines of the arena""" try: from ulab import numpy as np except ImportError: import numpy as np width = 1500 height = 1500 cutout_width = 500 cutout_height = 500 low_probability = 10 ** -10 boundary_lines = [ [(0,0), (0, height)], [(0, height), (width, height)], [(width, height), (width, cutout_height)], [(width, cutout_height), (width - cutout_width, cutout_height)], [(width - cutout_width, cutout_height), (width - cutout_width, 0)], [(width - cutout_width, 0), (0, 0)], ] def contains(x, y): """Return True if the point is inside the arena. if the point is inside the rectangle, but not inside the cutout, it's inside the arena. """ # is it inside the rectangle? if x < 0 or x > width \ or y < 0 or y > height: return False # is it inside the cutout? if x > (width - cutout_width) and y < cutout_height: return False return True