def test_objects_collide1(self):
'''Test the objects collision detection w/ multiple scenarios.'''
pos1, r1 = (0,0), 1
pos2, r2 = (0,2), 1
self.assertFalse(Helper.objects_collide(pos1, r1, pos2, r2))
pos1, r1 = (0,0), 1
pos2, r2 = (0,1), 0
self.assertFalse(Helper.objects_collide(pos1, r1, pos2, r2))
pos1, r1 = (0,0), 1
pos2, r2 = (0,1), 1
self.assertTrue(Helper.objects_collide(pos1, r1, pos2, r2))
pos1, r1 = (0,0), 1
pos2, r2 = (2,2), 1
self.assertFalse(Helper.objects_collide(pos1, r1, pos2, r2))
def __generate_coord_without_collision(self, collision_list, collision_radius):
'''Generate a new coordinate so that it does not collide with any
of the coords from collision_list.
'''
x,y = self.__get_dimensions()
while True:
coord = (random.random()*x, random.random()*y)
# new generated coord should not conflict w/ collision list.
for (coord2, collision_radius2) in collision_list:
if Helper.objects_collide(coord, collision_radius,
coord2, collision_radius2):
break
# did not break, thus no collision w/ any of coords from list.
else:
return coord
def objects_collide(o1, o2):
return Helper.objects_collide(o1.coord, o1.collision_radius,
o2.coord, o2.collision_radius)
def test_objects_collide2(self):
pos1, r1 = (0,0), 10
r2 = 15
pos2 = (0, r1 + r2 - 1)
self.assertTrue(Helper.objects_collide(pos1, r1, pos2, r2))