def test_step_max_dt(self): from bGrease import World world = World() sys1 = world.systems.sys = TestSystem() comp1 = world.components.foo = TestComponent() world.step(10000) self.assertEqual(comp1.runtime, 10.0 / world.step_rate) self.assertEqual(sys1.runtime, 10.0 / world.step_rate)
def test_step_components(self): from bGrease import World, Entity world = World() comp1 = world.components.one = TestComponent() comp2 = world.components.two = TestComponent() entity = Entity(world) self.assertTrue(comp1.runtime == comp2.runtime == 0, comp1.runtime) world.step(0.05) self.assertEqual(comp1.runtime, 0.05) self.assertEqual(comp2.runtime, 0.05) world.step(0.06) self.assertEqual(comp1.runtime, 0.11) self.assertEqual(comp2.runtime, 0.11)
def test_system_step_order(self):
from bGrease import World
world = World()
sys1 = world.systems.one = TestSystem()
sys3 = world.systems.three = TestSystem()
sys2 = TestSystem()
world.systems.insert('two', sys2, index=1)
self.assertEqual(len(world.systems), 3)
self.assertTrue(sys1.runtime == sys2.runtime == sys3.runtime == 0)
self.assertTrue(sys1.order == sys2.order == sys3.order == TestSystem.order)
world.step(0.13)
self.assertTrue(sys1.runtime == sys2.runtime == sys3.runtime == 0.13)
start = sys1.order
self.assertEqual(sys2.order, start + 1)
self.assertEqual(sys3.order, start + 2)
def test_add_system_during_run(self):
from bGrease import World
world = World()
sys1 = world.systems.sys1 = TestSystem()
to_inject = TestSystem()
injector = world.systems.injector = TestSystemInjector('injected', to_inject)
self.assertEqual(len(world.systems), 2)
self.assertTrue(sys1.runtime == to_inject.runtime == injector.runtime == 0)
self.assertFalse(injector.injected)
world.step(0.1)
self.assertEqual(len(world.systems), 3)
self.assertEqual(sys1.runtime, 0.1)
self.assertEqual(injector.runtime, 0.1)
self.assertEqual(to_inject.runtime, 0)
self.assertTrue(injector.injected)
world.step(0.1)
self.assertEqual(len(world.systems), 3)
self.assertEqual(sys1.runtime, 0.2)
self.assertEqual(injector.runtime, 0.2)
self.assertEqual(to_inject.runtime, 0.1)
