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Assets/CoolapeFrame/Scripts/ui/NguiExtend/TweenSpriteFill.cs

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+/*
+******************************************************************************** 
+  *Copyright(C),coolae.net 
+  *Author:  wangkaiyuan
+  *Version:  2.0 
+  *Date:  2017-01-09
+  *Description:   tween spriteFill 
+  *Others:  
+  *History:
+*********************************************************************************
+*/ 
+
+using UnityEngine;
+using System.Collections;
+
+namespace Coolape
+{
+	[AddComponentMenu ("NGUI/Tween/Tween Sprite Fill")]
+
+	public class TweenSpriteFill : UITweener
+	{
+
+		[Range (0f, 1f)]
+		public float from;
+		[Range (0f, 1f)]
+		public float to;
+
+
+		UISprite mSprite;
+
+		public float value {
+			get {
+				return mSprite.fillAmount;
+			}
+			set {
+				mSprite.fillAmount = value;
+			}
+		}
+
+		void Awake ()
+		{
+			mSprite = GetComponent<UISprite> ();
+		}
+
+		protected override void OnUpdate (float factor, bool isFinished)
+		{
+			value = from * (1f - factor) + to * factor;
+		}
+
+		static public TweenSpriteFill Begin (GameObject go, float duration, float amount)
+		{
+			TweenSpriteFill comp = UITweener.Begin<TweenSpriteFill> (go, duration);
+			comp.from = comp.value;
+			comp.to = amount;
+		
+			if (duration <= 0f) {
+				comp.Sample (1f, true);
+				comp.enabled = false;
+			}
+			return comp;
+		}
+
+		[ContextMenu ("Set 'From' to current value")]
+		public override void SetStartToCurrentValue ()
+		{
+			from = value;
+		}
+
+		[ContextMenu ("Set 'To' to current value")]
+		public override void SetEndToCurrentValue ()
+		{
+			to = value;
+		}
+
+		[ContextMenu ("Assume value of 'From'")]
+		void SetCurrentValueToStart ()
+		{
+			value = from;
+		}
+
+		[ContextMenu ("Assume value of 'To'")]
+		void SetCurrentValueToEnd ()
+		{
+			value = to;
+		}
+	}
+}