public void TestShipVelocityWith100FramesOfThrust() { World testWorld = new World(); testWorld.ShipAccel = 0.08; testWorld.SpawnShip(1, "testname"); Ship testShip = (Ship)testWorld.getPlayers()[1]; double xShipStart = testShip.GetLocation().GetX(); double yShipStart = testShip.GetLocation().GetY(); double xShipVel = testShip.GetVelocity().GetX(); double yShipVel = testShip.GetVelocity().GetY(); double xShip = testShip.GetLocation().GetX(); double yShip = testShip.GetLocation().GetY(); Assert.IsTrue(xShipVel == 0); Assert.IsTrue(yShipVel == 0); Assert.IsTrue(xShipStart == xShip); Assert.IsTrue(yShipStart == yShip); for (int i = 0; i < 100; i++) { testShip.Thrust(); } xShipVel = testShip.GetVelocity().GetX(); yShipVel = testShip.GetVelocity().GetY(); Assert.IsTrue(xShipVel == 0); Assert.AreEqual(yShipVel, 0.08 * -100, 0.000001); testShip.Move(); xShip = testShip.GetLocation().GetX(); yShip = testShip.GetLocation().GetY(); Assert.IsTrue(xShipStart + xShipVel == xShip); Assert.IsTrue(yShipStart + yShipVel == yShip); }