def test_two_octagons_dont_collide(self):
oct_agent1 = StubAgentWithBoundaries(
boundaries={intersect.Polygon : (intersect.makePolygonFromPoints(
[(1, 2),
(2, 1),
(2, -1),
(1, -2),
(-1, -2),
(-2, -1),
(-2, 1),
(-1, 2)]))},
direction=0,
position=(0, 0))
oct_agent2 = StubAgentWithBoundaries(
boundaries={intersect.Polygon : (intersect.makePolygonFromPoints(
[(1, 2),
(2, 1),
(2, -1),
(1, -2),
(-1, -2),
(-2, -1),
(-2, 1),
(-1, 2)]))},
direction=0,
position=(0, 14))
self.assertFalse(intersect.collidesWith(
oct_agent1,
oct_agent2))
def update(self, currentTime):
if not self.current_time:
self.current_time = currentTime
timeElapsed = (currentTime - self.current_time)
self.current_time = currentTime
for canvasElement in list(self.getAllCanvasElements()):
if not canvasElement.getActive():
continue
canvasElement.update(timeElapsed=timeElapsed)
cleared_of_collisions = set([])
for canvasElement in list(self.getAllCanvasElements()):
for otherElement in list(self.getAllCanvasElements()):
if canvasElement is otherElement:
continue
# Don't double-count collisions when canvasElement
# is reconsidered as otherElement
if otherElement in cleared_of_collisions:
continue
if intersect.collidesWith(canvasElement, otherElement):
canvasElement.handleCollision(otherElement)
otherElement.handleCollision(canvasElement)
cleared_of_collisions.add(canvasElement)
def test_two_circles_dont_collide(self):
circle_agent1 = StubAgentWithBoundaries(
boundaries={intersect.Circle : ((0, 0), 1)},
direction=0,
position=(0, 0))
circle_agent2 = StubAgentWithBoundaries(
boundaries={intersect.Circle : ((0, 0), 1)},
direction=0,
position=(0, 2))
self.assertFalse(intersect.collidesWith(
circle_agent1,
circle_agent2))
def test_rectangle_collides_with_circle(self):
rect_agent = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(-1, 1),
(1, 1),
(1, -1),
(-1, -1))},
direction=0,
position=(0, 0))
circle_agent = StubAgentWithBoundaries(
boundaries={intersect.Circle : ((0, 0), 1)},
direction=0,
position=(0, 1))
self.assertTrue(intersect.collidesWith(
rect_agent,
circle_agent))
def test_circle_inside_rectangle(self):
rect_agent = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(-100, 100),
(100, 100),
(100, -100),
(-100, -100))},
direction=0,
position=(0, 0))
circle_agent = StubAgentWithBoundaries(
boundaries={intersect.Circle : ((0, 0), 1)},
direction=0,
position=(0, 0))
self.assertTrue(intersect.collidesWith(
circle_agent,
rect_agent))
def test_identical_rectangles_collide(self):
rect_agent1 = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(0, 0),
(1, 0),
(1, 1),
(0, 1))},
direction=0,
position=(0, 0))
rect_agent2 = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(0, 0),
(1, 0),
(1, 1),
(0, 1))},
direction=0,
position=(0, 0))
self.assertTrue(intersect.collidesWith(
rect_agent1,
rect_agent2))
def test_two_rectangles_do_not_collide(self):
rect_agent1 = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(0, 0),
(1, 0),
(1, 1),
(0, 1))},
direction=0,
position=(0, 0))
rect_agent2 = StubAgentWithBoundaries(
boundaries={intersect.Rectangle : (
(0, 0),
(1, 0),
(1, 1),
(0, 1))},
direction=0,
position=(2, 2))
self.assertFalse(intersect.collidesWith(
rect_agent1,
rect_agent2))