修改tween，增加host

src/animation/BounceZoom.ts

@@ -17,7 +17,7 @@ export default class BounceZoom extends ScillaComponent {
 	onAwake() {
 		super.onAwake();
 
-		this._tween = createTween(this.transform, false,
+		this._tween = createTween(this, this.transform, false,
 			{clazz: Vector2D, fields: ['x', 'y'], autoPlay: false}
 			)
 			.to({scale: this.targetScale.clone()}, this.duration * 0.5)

src/animation/Rotation.ts

@@ -23,7 +23,7 @@ export default class Rotation extends ScillaComponent {
 		super.onAwake();
 
 		if(!this._tween){
-			this._tween = createTween(this.transform, false, {autoPlay: this.autoPlay, loop: this.loop, initFields: ['_rotation']})
+			this._tween = createTween(this, this.transform, false, {autoPlay: this.autoPlay, loop: this.loop, initFields: ['_rotation']})
 				.to({rotation: 360}, this.duration)
 				.call(()=>{
 					this.onComplete.invoke();

src/animation/TouchZoom.ts

@@ -27,10 +27,10 @@ export default class TouchZoom extends InteractComponent {
 			const scaleFrom = transform.scale.clone();
 			const scaleTo = transform.scale.clone().add(scaleOffset);
 
-			this._zoomIn = createTween(transform, false, {autoPlay: false, clazz: Vector2D, fields: ['x', 'y']})
+			this._zoomIn = createTween(this, transform, false, {autoPlay: false, clazz: Vector2D, fields: ['x', 'y']})
 				.to({scale: scaleTo}, duration, easeFunc);
 
-			this._zoomOut = createTween(transform, false, {autoPlay: false, clazz: Vector2D, fields: ['x', 'y']})
+			this._zoomOut = createTween(this, transform, false, {autoPlay: false, clazz: Vector2D, fields: ['x', 'y']})
 				.to({scale: scaleFrom}, duration, easeFunc);
 		}
 	}

src/ui/ProgressBar.ts

@@ -90,7 +90,7 @@ export default class ProgressBar extends ScillaComponent {
 		const width = percentage * _thumbSize.width;
 
 		//this._mask.width = width;
-		createTween(this._mask, true)
+		createTween(this, this._mask, true)
 			.to({width}, 300, ease.cubicOut);
 
 		if(this._widgetTransform){

src/ui/ScrollView.ts

@@ -132,7 +132,7 @@ export default class ScrollView extends InteractComponent {
 
 		const targetPos = createVector2D(tx, ty);
 		const duration = Math.min(500, Math.max(targetPos.distance(position), 200));
-		createTween(this._contentTransform, true, {clazz: Vector2D, fields: ['x', 'y']})
+		createTween(this, this._contentTransform, true, {clazz: Vector2D, fields: ['x', 'y']})
 			.to({position: targetPos}, duration, ease.cubicOut);
 	}
 }