修复html视图不能滚动的限制

manifest.json

-{"id":"engine","url":"engine.85a610a71df748fd9a6ece34f456a06e8f3f1b63.js"}
+{"id":"engine","url":"engine.47eb390007c368d3dc5648734153301ebead724b.js"}
\ No newline at end of file

src/2d/display/FloatDisplay.ts

@@ -83,32 +83,42 @@ export class FloatDisplay extends DisplayObject {
 			}
 		});
 		s.addEventListener(Event.ADDED_TO_STAGE, function (e: Event) {
-			if(!container){
-				container = document.createElement('div');
-				container.style.position = "absolute";
-				container.style.left = "0";
-				container.style.top = "0";
-				container.style.fontSize = '30px';
-				container.style.lineHeight = 'normal';
-				s.stage.rootDiv.appendChild(container);//, s.stage.rootDiv.childNodes[0]
-			}
-			if (s._htmlElement) {
-				let style = s._htmlElement.style;
-				if (!s._isAdded) {
-					s._isAdded = true;
-					container.appendChild(s._htmlElement);
-					s.stage["_floatDisplayList"].push(s);
-				} else {
-					if (s._htmlElement && s.visible) {
-						style.display = "block";
-					}
-				}
-			}
-		});
+			this.addHtmlElement();
+		}, s);
 
 		this._transformID = -1;
 	}
 
+	addHtmlElement() {
+		let s = this;
+
+		if(!s.stage){
+			return;
+		}
+
+		if (!container) {
+			container = document.createElement('div');
+			container.style.position = "absolute";
+			container.style.left = "0";
+			container.style.top = "0";
+			container.style.fontSize = '30px';
+			container.style.lineHeight = 'normal';
+			s.stage.rootDiv.appendChild(container);//, s.stage.rootDiv.childNodes[0]
+		}
+		if (s._htmlElement) {
+			let style = s._htmlElement.style;
+			if (!s._isAdded) {
+				s._isAdded = true;
+				container.appendChild(s._htmlElement);
+				s.stage["_floatDisplayList"].push(s);
+			} else {
+				if (s._htmlElement && s.visible) {
+					style.display = "block";
+				}
+			}
+		}
+	}
+
 	get htmlElement() {
 		return this._htmlElement;
 	}
@@ -126,7 +136,7 @@ export class FloatDisplay extends DisplayObject {
 	 * @param {HtmlElement} htmlElement 需要封装起来的html元素的引用。你可以通过这个引用来调用或设置此元素自身的属性方法和事件,甚至是样式
 	 */
 	protected init(htmlElement: any): void {
-		if(!htmlElement){
+		if (!htmlElement) {
 			return;
 		}
 		let s = this;
@@ -160,6 +170,8 @@ export class FloatDisplay extends DisplayObject {
 		s._localBoundsSelf.width = w;
 		s._localBoundsSelf.height = h;
 		s._htmlElement = she;
+
+		this.addHtmlElement();
 	}
 
 	/**

src/2d/display/Stage.ts

@@ -438,7 +438,7 @@ export class Stage extends Container {
 			s.dispatchEvent(Event.ON_INIT_STAGE);
 			// }
 		}, 100);
-		let rc = canvas;//s.rootDiv;
+		let rc = s.rootDiv;//canvas
 		let mouseEvent = s.onMouseEvent.bind(s);
 		//鼠标事件
 		if (osType != "pc") {
@@ -648,8 +648,9 @@ export class Stage extends Container {
 					cp = new Point();
 				}
 
+				let rootDiv = s.rootDiv;
 				let doc = document.documentElement;
-				let box = points[o].target.getBoundingClientRect();
+				let box = rootDiv.getBoundingClientRect();//points[o].target
 				let left = box.left + window.pageXOffset - doc.clientLeft;
 				let top = box.top + window.pageYOffset - doc.clientTop;
 				cp.x = (points[o].pageX - left) * devicePixelRatio;