def initialize_blocks(self):
#position for blocks is the top left corner
#all blocks in the game will be kept in a single array
#should have at least 4 gap between the blocks and the bottom of the game
assert self.height > self.rows + 4
self.blocks = []
for r in range(self.height):
for c in range(self.columns + 2):
if (c == 0 or c == self.columns + 1 or r == 0):
self.blocks.append(Block(((self.block_size*(c)), self.block_size*(r)), "HARD", self.block_size))
else:
if (r <= self.rows):
self.blocks.append(Block(((self.block_size*(c)), self.block_size*(r)), "SOFT", self.block_size))
def test_does_intersect(self):
#test intersects left
ball0 = Ball((0, 2), 3)
block0 = Block((1, 0), "HARD", 5)
self.assertTrue(ball0.intersects_block(block0))
#test intersects top
ball1 = Ball((2, 0), 3)
block1 = Block((0, 3), "HARD", 5)
self.assertTrue(ball1.intersects_block(block1))
#test intersects bottom
ball2 = Ball((2, 8), 3)
block2 = Block((0, 2), "HARD", 5)
self.assertTrue(ball2.intersects_block(block2))
#test intersects right
ball3 = Ball((6, 3), 3)
block3 = Block((0, 2), "HARD", 5)
self.assertTrue(ball3.intersects_block(block3))
def test_does_not_intersect(self):
#test does not intersect left
ball0 = Ball((0, 2), 1)
block0 = Block((2, 0), "HARD", 5)
self.assertFalse(ball0.intersects_block(block0))
#test does not intersect top
ball1 = Ball((2, 0), 3)
block1 = Block((0, 4), "HARD", 5)
self.assertFalse(ball1.intersects_block(block1))
#test does not intersect bottom
ball2 = Ball((2, 9), 3)
block2 = Block((0, 0), "HARD", 5)
self.assertFalse(ball2.intersects_block(block2))
#test does not intersect right
ball3 = Ball((9, 3), 3)
block3 = Block((0, 2), "HARD", 5)
self.assertFalse(ball3.intersects_block(block3))
def test_resolve_on_right(self):
ball = Ball((6, 3), 3, Vector(1, 1))
block = Block((0, 2), "HARD", 5)
ball.resolve_collision_block(block)
self.assertEqual(ball.get_velocity(), Vector(-1, 1))
self.assertEqual(ball.get_center(), (9, 3))
def test_resolve_on_bottom(self):
ball = Ball((2, 8), 3, Vector(1, 1))
block = Block((0, 2), "HARD", 5)
ball.resolve_collision_block(block)
self.assertEqual(ball.get_velocity(), Vector(1, -1))
self.assertEqual(ball.get_center(), (2, 11))