/// <summary>
/// Returns the distance in pixels between this and another `Transformable2D`.
/// </summary>
public float DistanceTo(Transformable2D other) {
if (other == null) {
return float.NaN;
}
return (Position - other.Position).Length;
}
void StartPulsating(Transformable2D transform, TimeSpan duration, float from, float to) {
Vector2 original = new Vector2(from);
Vector2 target = new Vector2(to);
transform.Scale = original;
TaskManager.Main
.WaitUntil(
elapsed => {
var t = elapsed / duration.TotalSeconds;
var step = Easing.EaseOut(t, EasingType.Cubic);
transform.Scale = Vector2.Lerp(original, target, step);
return t >= 1;
})
.Then(
() => {
StartPulsating(transform, duration, from, to);
});
}