public void InterpolateStoppedTest()
{
var e = new TestEntity();
var i = new EntityInterpolator();
e.Position = new Vector2(0);
i.Update(e, 1);
Assert.AreEqual(Vector2.Zero, i.DrawPosition);
e.Move(new Vector2(16));
e.SetVelocity(new Vector2(1));
i.Update(e, 1);
Assert.AreNotEqual(new Vector2(0), i.DrawPosition);
e.Move(new Vector2(100));
e.SetVelocity(new Vector2(0));
i.Update(e, 1);
Assert.AreNotEqual(new Vector2(16), i.DrawPosition);
var last = i.DrawPosition;
e.Move(new Vector2(50));
i.Update(e, 10);
Assert.AreNotEqual(last, i.DrawPosition);
}
public void InterpolateNoVelocityRecordTest()
{
var e = new TestEntity();
var i = new EntityInterpolator();
e.Position = new Vector2(0);
i.Update(e, 1);
Assert.AreEqual(Vector2.Zero, i.DrawPosition);
e.Move(new Vector2(16));
i.Update(e, 1);
Assert.AreEqual(new Vector2(16), i.DrawPosition);
e.Move(new Vector2(100));
i.Update(e, 1);
Assert.AreEqual(new Vector2(116), i.DrawPosition);
}
/// <summary>
/// Handles updating this <see cref="Entity"/>.
/// </summary>
/// <param name="imap">The map the <see cref="Entity"/> is on.</param>
/// <param name="deltaTime">The amount of time (in milliseconds) that has elapsed since the last update.</param>
protected override void HandleUpdate(IMap imap, int deltaTime)
{
base.HandleUpdate(imap, deltaTime);
// Get the delta time
var currentTime = GetTime();
var lastDrawnDelta = Math.Min(currentTime - _lastDrawnTime, GameData.MaxDrawDeltaTime);
_lastDrawnTime = currentTime;
// Update the sprite
_characterSprite.Update(currentTime);
UpdateAnimation();
// Update the interpolation
_interpolator.Update(this, (int)lastDrawnDelta);
}