/// <summary>
/// Start and add a Vector3 tween
/// </summary>
/// <param name="key">Key</param>
/// <param name="start">Start value</param>
/// <param name="end">End value</param>
/// <param name="duration">Duration in seconds</param>
/// <param name="scaleFunc">Scale function</param>
/// <param name="progress">Progress handler</param>
/// <param name="completion">Completion handler</param>
/// <returns>Vector3Tween</returns>
public static Vector3Tween Tween(object key, Vector3 start, Vector3 end, float duration, Func <float, float> scaleFunc, System.Action <ITween <Vector3> > progress, System.Action <ITween <Vector3> > completion = null)
{
Vector3Tween t = new Vector3Tween();
t.Key = key;
t.Setup(start, end, duration, scaleFunc, progress, completion);
t.Start();
AddTween(t);
return(t);
}
