def test_tick_increments_world_time(self):
from grease import World
world = World(clock_factory=TestClock)
self.assertEqual(world.time, 0)
self.assertEqual(world.clock.ticks, 0)
self.assertEqual(world.clock.time_func(), world.time)
dt = 1.0/30.0
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
self.assertEqual(world.clock.time_func(), world.time)
self.assertEqual(world.clock.ticks, 1)
world.tick(dt)
self.assertAlmostEqual(world.time, dt*2)
self.assertEqual(world.clock.time_func(), world.time)
self.assertEqual(world.clock.ticks, 2)
def test_tick_increments_world_time(self):
from grease import World
world = World(clock_factory=TestClock)
self.assertEqual(world.time, 0)
self.assertEqual(world.clock.ticks, 0)
self.assertEqual(world.clock.time_func(), world.time)
dt = 1.0 / 30.0
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
self.assertEqual(world.clock.time_func(), world.time)
self.assertEqual(world.clock.ticks, 1)
world.tick(dt)
self.assertAlmostEqual(world.time, dt * 2)
self.assertEqual(world.clock.time_func(), world.time)
self.assertEqual(world.clock.ticks, 2)
def test_running(self):
from grease import World
world = World()
self.assertTrue(world.running)
self.assertEqual(world.time, 0)
dt = 1.0/30.0
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
world.running = False
world.tick(dt)
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
world.running = True
world.tick(dt)
self.assertAlmostEqual(world.time, dt*2)
def test_running(self):
from grease import World
world = World()
self.assertTrue(world.running)
self.assertEqual(world.time, 0)
dt = 1.0 / 30.0
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
world.running = False
world.tick(dt)
world.tick(dt)
self.assertAlmostEqual(world.time, dt)
world.running = True
world.tick(dt)
self.assertAlmostEqual(world.time, dt * 2)