修复遮罩嵌套问题

修改滚动方向

debug/engine.js

@@ -11107,12 +11107,13 @@ var tslib = {__extends: __extends,__assign: __assign,__rest: __rest,__decorate:
 	        s.direction = exports.SCROLL_DIRECTION.VERTICAL;
 	        s.addEventListener(Event.ADDED_TO_STAGE, function (e) {
 	            s.stage.addEventListener(MouseEvent.MOUSE_UP, s.onMouseEvent, s);
+	            s.stage.addEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 	        });
 	        s.addEventListener(Event.REMOVED_FROM_STAGE, function (e) {
 	            s.stage.removeEventListener(MouseEvent.MOUSE_UP, s.onMouseEvent, s);
+	            s.stage.removeEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 	        });
 	        s.addEventListener(MouseEvent.MOUSE_DOWN, s.onMouseEvent, s);
-	        s.addEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 	        s.addEventListener(Event.ENTER_FRAME, function () {
 	            var view = s.viewPort;
 	            if (s.autoScroll)

src/2d/ui/ScrollContainer.ts

@@ -180,12 +180,13 @@ export class ScrollContainer extends Container {
 		s.direction = SCROLL_DIRECTION.VERTICAL;
 		s.addEventListener(Event.ADDED_TO_STAGE, function (e: Event) {
 			s.stage.addEventListener(MouseEvent.MOUSE_UP, s.onMouseEvent, s);
+			s.stage.addEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 		});
 		s.addEventListener(Event.REMOVED_FROM_STAGE, function (e: Event) {
 			s.stage.removeEventListener(MouseEvent.MOUSE_UP, s.onMouseEvent, s);
+			s.stage.removeEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 		});
 		s.addEventListener(MouseEvent.MOUSE_DOWN, s.onMouseEvent, s);
-		s.addEventListener(MouseEvent.MOUSE_MOVE, s.onMouseEvent, s);
 		// s.addEventListener(MouseEvent.MOUSE_UP, s.onMouseEvent, s);
 		// s.addEventListener(MouseEvent.MOUSE_OUT, s.onMouseEvent, s);
 		s.addEventListener(Event.ENTER_FRAME, function () {