添加一个简单的新手引导时，只能点击某个区域

GuideDemo/assets/Script/MarkTouch.js

@@ -0,0 +1,43 @@
+cc.Class({
+  extends: cc.Component,
+
+  properties: {
+    nodeTarget: cc.Node,
+  },
+
+  onLoad() {
+    this.registerEvent();
+    this.node.on('touchstart', this.onTouchStart, this);
+  },
+
+  registerEvent() {
+
+  },
+
+  onTouchStart(event) {
+    let touchPos = event.getLocation();
+    console.log('touchPos=', touchPos);
+    let retWorld = this.nodeTarget.getBoundingBoxToWorld();
+    if (retWorld.contains(touchPos)) {
+      this.node._touchListener.setSwallowTouches(false);
+    } else {
+      this.node._touchListener.setSwallowTouches(true);
+    }
+  },
+
+  init(data) {
+
+  },
+
+  update(dt) {
+
+  },
+
+  offEvent() {
+
+  },
+
+  onDestroy() {
+    this.offEvent();
+  }
+});