/// <summary>
/// Pulsates the scale.
/// </summary>
/// <param name="amount">The amount to increase the scale by.</param>
public static CommandDelegate PulsateScale(Ref <Vector3> scale, float amount, double duration)
{
CheckArgumentNonNull(scale, "scale");
CommandDelegate tweenBack = null;
return(Commands.Sequence(
Commands.Do(() => {
// Because we don't know what the original scale is at this point,
// we have to recreate the scale back tween every time.
tweenBack = Commands.ChangeTo(scale, scale.Value, duration / 2.0, Ease.Smooth());
}),
Commands.ScaleBy(scale, Vector3.one * (amount + 1.0f), duration / 2.0, Ease.Smooth()),
(ref double deltaTime) => tweenBack(ref deltaTime)
));
}
public static void TestEaseValid()
{
// Test easing identity, f(0) = 0, f(1) = 1.
bool threwException = false;
try { Ease.CeilStep(0); } catch (ArgumentOutOfRangeException) { threwException = true; }
Assert.IsTrue(threwException, "CeilStep input 0 invalid.");
Assert.AreEqual(Ease.CeilStep(5)(0.0f), 0.0f, 0.001f, "CeilStep");
Assert.AreEqual(Ease.CeilStep(5)(1.0f), 1.0f, 0.001f, "CeilStep");
Assert.AreEqual(Ease.CeilStep(1)(0.0f), 0.0f, 0.001f, "CeilStep");
Assert.AreEqual(Ease.CeilStep(1)(1.0f), 1.0f, 0.001f, "CeilStep");
threwException = false;
try { Ease.FloorStep(0); } catch (ArgumentOutOfRangeException) { threwException = true; }
Assert.IsTrue(threwException, "FloorStep input 0 invalid.");
Assert.AreEqual(Ease.FloorStep(5)(0.0f), 0.0f, 0.001f, "FloorStep");
Assert.AreEqual(Ease.FloorStep(5)(1.0f), 1.0f, 0.001f, "FloorStep");
Assert.AreEqual(Ease.FloorStep(1)(0.0f), 0.0f, 0.001f, "FloorStep");
Assert.AreEqual(Ease.FloorStep(1)(1.0f), 1.0f, 0.001f, "FloorStep");
threwException = false;
try { Ease.RoundStep(0); } catch (ArgumentOutOfRangeException) { threwException = true; }
Assert.IsTrue(threwException, "RoundStep input 0 invalid.");
Assert.AreEqual(Ease.RoundStep(5)(0.0f), 0.0f, 0.001f, "RoundStep");
Assert.AreEqual(Ease.RoundStep(5)(1.0f), 1.0f, 0.001f, "RoundStep");
Assert.AreEqual(Ease.RoundStep(1)(0.0f), 0.0f, 0.001f, "RoundStep");
Assert.AreEqual(Ease.RoundStep(1)(1.0f), 1.0f, 0.001f, "RoundStep");
Assert.AreEqual(Ease.Elastic(20.0f, 20.0f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(0.01f, 20.0f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(20.0f, 0.01f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(0.01f, 0.01f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(-1.0f, 1.0f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(1.0f, -1.0f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(-1.0f, -1.0f)(0.0f), 0.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(20.0f, 20.0f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(0.01f, 20.0f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(20.0f, 0.01f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(0.01f, 0.01f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(-1.0f, 1.0f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(1.0f, -1.0f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.Elastic(-1.0f, -1.0f)(1.0f), 1.0f, 0.001f, "Elastic");
Assert.AreEqual(Ease.InElastic()(0.0f), 0.0f, 0.001f, "InElastic");
Assert.AreEqual(Ease.InElastic()(1.0f), 1.0f, 0.001f, "InElastic");
Assert.AreEqual(Ease.OutElastic()(0.0f), 0.0f, 0.001f, "OutElastic");
Assert.AreEqual(Ease.OutElastic()(1.0f), 1.0f, 0.001f, "OutElastic");
Assert.AreEqual(Ease.InOutElastic()(0.0f), 0.0f, 0.001f, "InOutElastic");
Assert.AreEqual(Ease.InOutElastic()(1.0f), 1.0f, 0.001f, "InOutElastic");
Assert.AreEqual(Ease.InBack(0.0f)(0.0f), 0.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.InBack(0.2f)(0.0f), 0.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.InBack(-0.2f)(0.0f), 0.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.InBack(0.0f)(1.0f), 1.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.InBack(0.2f)(1.0f), 1.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.InBack(-0.2f)(1.0f), 1.0f, 0.001f, "InBack");
Assert.AreEqual(Ease.OutBack(0.0f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.OutBack(0.2f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.OutBack(-0.2f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.OutBack(0.0f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.OutBack(0.2f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.OutBack(-0.2f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(0.0f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(0.2f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(-0.2f)(0.0f), 0.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(0.0f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(0.2f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InOutBack(-0.2f)(1.0f), 1.0f, 0.001f, "OutBack");
Assert.AreEqual(Ease.InBounce()(0.0f), 0.0f, 0.001f, "InBounce");
Assert.AreEqual(Ease.InBounce()(1.0f), 1.0f, 0.001f, "InBounce");
Assert.AreEqual(Ease.OutBounce()(0.0f), 0.0f, 0.001f, "OutBounce");
Assert.AreEqual(Ease.OutBounce()(1.0f), 1.0f, 0.001f, "OutBounce");
Assert.AreEqual(Ease.InOutBounce()(0.0f), 0.0f, 0.001f, "InOutBounce");
Assert.AreEqual(Ease.InOutBounce()(1.0f), 1.0f, 0.001f, "InOutBounce");
Assert.AreEqual(Ease.InCirc()(0.0f), 0.0f, 0.001f, "InCirc");
Assert.AreEqual(Ease.InCirc()(1.0f), 1.0f, 0.001f, "InCirc");
Assert.AreEqual(Ease.OutCirc()(0.0f), 0.0f, 0.001f, "OutCirc");
Assert.AreEqual(Ease.OutCirc()(1.0f), 1.0f, 0.001f, "OutCirc");
Assert.AreEqual(Ease.InOutCirc()(0.0f), 0.0f, 0.001f, "InOutCirc");
Assert.AreEqual(Ease.InOutCirc()(1.0f), 1.0f, 0.001f, "InOutCirc");
Assert.AreEqual(Ease.InCubic()(0.0f), 0.0f, 0.001f, "InCubic");
Assert.AreEqual(Ease.InCubic()(1.0f), 1.0f, 0.001f, "InCubic");
Assert.AreEqual(Ease.OutCubic()(0.0f), 0.0f, 0.001f, "OutCubic");
Assert.AreEqual(Ease.OutCubic()(1.0f), 1.0f, 0.001f, "OutCubic");
Assert.AreEqual(Ease.InOutCubic()(0.0f), 0.0f, 0.001f, "InOutCubic");
Assert.AreEqual(Ease.InOutCubic()(1.0f), 1.0f, 0.001f, "InOutCubic");
Assert.AreEqual(Ease.InQuad()(0.0f), 0.0f, 0.001f, "InQuad");
Assert.AreEqual(Ease.InQuad()(1.0f), 1.0f, 0.001f, "InQuad");
Assert.AreEqual(Ease.OutQuad()(0.0f), 0.0f, 0.001f, "OutQuad");
Assert.AreEqual(Ease.OutQuad()(1.0f), 1.0f, 0.001f, "OutQuad");
Assert.AreEqual(Ease.InOutQuad()(0.0f), 0.0f, 0.001f, "InOutQuad");
Assert.AreEqual(Ease.InOutQuad()(1.0f), 1.0f, 0.001f, "InOutQuad");
Assert.AreEqual(Ease.InQuart()(0.0f), 0.0f, 0.001f, "InQuart");
Assert.AreEqual(Ease.InQuart()(1.0f), 1.0f, 0.001f, "InQuart");
Assert.AreEqual(Ease.OutQuart()(0.0f), 0.0f, 0.001f, "OutQuart");
Assert.AreEqual(Ease.OutQuart()(1.0f), 1.0f, 0.001f, "OutQuart");
Assert.AreEqual(Ease.InOutQuart()(0.0f), 0.0f, 0.001f, "InOutQuart");
Assert.AreEqual(Ease.InOutQuart()(1.0f), 1.0f, 0.001f, "InOutQuart");
Assert.AreEqual(Ease.InQuint()(0.0f), 0.0f, 0.001f, "InQuint");
Assert.AreEqual(Ease.InQuint()(1.0f), 1.0f, 0.001f, "InQuint");
Assert.AreEqual(Ease.OutQuint()(0.0f), 0.0f, 0.001f, "OutQuint");
Assert.AreEqual(Ease.OutQuint()(1.0f), 1.0f, 0.001f, "OutQuint");
Assert.AreEqual(Ease.InOutQuint()(0.0f), 0.0f, 0.001f, "InOutQuint");
Assert.AreEqual(Ease.InOutQuint()(1.0f), 1.0f, 0.001f, "InOutQuint");
Assert.AreEqual(Ease.InExpo()(0.0f), 0.0f, 0.001f, "InExpo");
Assert.AreEqual(Ease.InExpo()(1.0f), 1.0f, 0.001f, "InExpo");
Assert.AreEqual(Ease.OutExpo()(0.0f), 0.0f, 0.001f, "OutExpo");
Assert.AreEqual(Ease.OutExpo()(1.0f), 1.0f, 0.001f, "OutExpo");
Assert.AreEqual(Ease.InOutExpo()(0.0f), 0.0f, 0.001f, "InOutExpo");
Assert.AreEqual(Ease.InOutExpo()(1.0f), 1.0f, 0.001f, "InOutExpo");
Assert.AreEqual(Ease.InSin()(0.0f), 0.0f, 0.001f, "InSin");
Assert.AreEqual(Ease.InSin()(1.0f), 1.0f, 0.001f, "InSin");
Assert.AreEqual(Ease.OutSin()(0.0f), 0.0f, 0.001f, "OutSin");
Assert.AreEqual(Ease.OutSin()(1.0f), 1.0f, 0.001f, "OutSin");
Assert.AreEqual(Ease.InOutSin()(0.0f), 0.0f, 0.001f, "InOutSin");
Assert.AreEqual(Ease.InOutSin()(1.0f), 1.0f, 0.001f, "InOutSin");
}