使用C＃委托的Unity3D Tween库

Question

Is there a Unity3D tween library that uses C# delegates? I've been using iTween and LeanTween, but instead of delegates they require method names to call in form of strings, which results in quite ugly code. I'd like to replace all the custom methods with slim lambdas, but these libraries don't provide such capability.

Answer 1

Not sure about the delegates but this small class has never let me down

public class Tween  {

    public static float TweenValue (float from,float to,float time)
    {
        if (from != to) 
        {
            if (Mathf.Abs(to-from) > 1.0)
            {
                from = Mathf.Lerp(from, to, time*Time.deltaTime);
            }
            else 
            {
                from = to;
            }       
        }

        return from;
    }

    public static Rect TweenRect (Rect from,Rect to,float time){
        if (from != to) 
        {
            from.x = TweenValue (from.x,to.x,time*Time.deltaTime);
            from.y = TweenValue (from.y,to.y,time*Time.deltaTime);
            from.width = TweenValue (from.width,to.width,time*Time.deltaTime);
            from.height = TweenValue (from.height,to.height,time*Time.deltaTime);
        }
        return from;
    }

    public static Vector3 TweenVector3 (Vector3 from ,Vector3 to,float time)
    {
        if (from != to) 
        {
            if (Mathf.Abs((to-from).magnitude) > 0.2)
            { 
                from = Vector3.Slerp(from, to, time);
            }
            else
            { 
                from = to;
            }
        }

        return from;
    }

    public static Quaternion TweenQuaternion (Quaternion from,Quaternion to,float time)  
    {
        if (from != to) 
        {
            if (Mathf.Abs((to.eulerAngles-from.eulerAngles).magnitude) > 0.2) 
            {
                from = Quaternion.Slerp(from, to, time);
            }
            else 
            {
                from = to;
            }
        }

        return from;
    }   
}

Answer 2

The new version of LeanTween offers onComplete and onUpdate delegates that do not rely on string names. Find out more about all the new features in LeanTween 2.0: http://dentedpixel.com/developer-diary/leantween-2-0-faster-type-safe-and-c/