public void TestFixedGameStepTwoUpdates()
{
GameFixedUpdate gameFixedUpdate = new GameFixedUpdate();
gameFixedUpdate.FixedStepTime = 0.05f;
gameFixedUpdate.Init();
gameFixedUpdate.Update(0.01f);
Assert.That(gameFixedUpdate.CurrentGameFrame, Is.EqualTo(0));
gameFixedUpdate.Update(0.045f);
Assert.That(gameFixedUpdate.CurrentGameFrame, Is.EqualTo(1));
}
public void TestFramesStartsZeroIndexed()
{
var gameLogic = new TestGameStep.GameStepEngineMock();
GameFixedUpdate gameUpdate = new GameFixedUpdate();
gameUpdate.FixedStepTime = 0.1f;
gameUpdate.SetGameLogic(gameLogic);
gameUpdate.Update(0.1f);
Assert.That(gameLogic.lastFrame, Is.EqualTo(0));
gameUpdate.Update(0.1f);
Assert.That(gameLogic.lastFrame, Is.EqualTo(1));
}
public void TestFixedGameStepGreaterThanFixedTime()
{
GameFixedUpdate gameFixedUpdate = new GameFixedUpdate();
gameFixedUpdate.FixedStepTime = 0.05f;
gameFixedUpdate.Init();
gameFixedUpdate.Update(0.051f);
Assert.That(gameFixedUpdate.CurrentGameFrame, Is.EqualTo(1));
}
public void TestNoFixedUpdateIfNotEnoughTime()
{
var gameLogic = new TestGameStep.GameStepEngineMock();
GameFixedUpdate gameUpdate = new GameFixedUpdate();
gameUpdate.FixedStepTime = 0.1f;
gameUpdate.SetGameLogic(gameLogic);
gameUpdate.Update(0.09f);
Assert.That(gameLogic.UpdateTimes, Is.EqualTo(0));
}
public void TestDoubleTimeIncreasesTwoFixedUpdates()
{
var gameLogic = new TestGameStep.GameStepEngineMock();
GameFixedUpdate gameUpdate = new GameFixedUpdate();
gameUpdate.FixedStepTime = 0.1f;
gameUpdate.SetGameLogic(gameLogic);
gameUpdate.Update(0.1f * 2);
Assert.That(gameLogic.lastFrame, Is.EqualTo(1));
Assert.That(gameLogic.lastDt, Is.EqualTo(0.1f).Within(0.001f));
}
public void TestFixedGameStepEngineCalled()
{
GameFixedUpdate gameFixedUpdate = new GameFixedUpdate();
GameStepEngineMock gameStepEngine = new GameStepEngineMock();
gameFixedUpdate.SetGameLogic(gameStepEngine);
gameFixedUpdate.FixedStepTime = 0.05f;
gameFixedUpdate.Init();
gameFixedUpdate.Update(0.078f);
Assert.That(gameStepEngine.lastDt, Is.EqualTo(0.05f));
Assert.That(gameStepEngine.lastFrame, Is.EqualTo(0));
}
