def test_set_shards_disc(self):
radius = 4
offset = (3, 2)
disc = Disc(gold, radius, offset)
chunk = Chunk()
chunk.set_shards(disc)
self.assertEquals(chunk.shards, (disc,), "bad shards")
shard = chunk.shards[0]
self.assertEquals(shard.get_centroid(), (0, 0))
def test_set_shards_block(self):
verts = [(0, 0), (0, 1), (1, 1), (1, 0)]
offset = (10, 20)
block = Block(gold, verts, offset)
self.assertEquals(block.get_centroid(), (10.5, 20.5), "bad offset")
chunk = Chunk()
chunk.set_shards(block)
self.assertEquals(chunk.shards, (block,), "bad shards")
shard = chunk.shards[0]
self.assertEquals(shard.get_centroid(), (0, 0), "bad offset")
def test_set_shards_two_discs(self):
disc1 = Disc(gold, 4, (+100, +200))
disc2 = Disc(gold, 2, (+115, +225))
chunk = Chunk()
chunk.set_shards(disc1, disc2)
self.assertEquals(chunk.shards, (disc1, disc2), "bad shards")
shard1offset = chunk.shards[0].get_centroid()
self.assertAlmostEquals(shard1offset[0], -3.0, msg="bad offset1 x")
self.assertAlmostEquals(shard1offset[1], -5.0, msg="bad offset1 y")
shard2offset = chunk.shards[1].get_centroid()
self.assertAlmostEquals(shard2offset[0], +12.0, msg="bad offset2 x")
self.assertAlmostEquals(shard2offset[1], +20.0, msg="bad offset2 y")
