调整返回按钮

assets/Scene/Home/BackHomeBtn.ts

@@ -0,0 +1,21 @@
+const { ccclass, property } = cc._decorator;
+
+@ccclass
+export default class BackHomeBtn extends cc.Component {
+  static instance: BackHomeBtn = null;
+
+  start() {
+    cc.game.addPersistRootNode(this.node);
+    BackHomeBtn.instance = this;
+    this.toggleActive(false);
+  }
+
+  toggleActive(flag: boolean) {
+    this.node.active = flag;
+  }
+
+  backToHome() {
+    this.toggleActive(false);
+    cc.director.loadScene('Home');
+  }
+}

assets/Scene/Home/BackHomeBtn.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "f673b6fd-1d6c-4444-a3f8-ad4361ce0e36",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}

assets/Scene/Home/Home.fire

@@ -15,6 +15,9 @@
     "_children": [
       {
         "__id__": 2
+      },
+      {
+        "__id__": 25
       }
     ],
     "_active": true,
@@ -1008,5 +1011,229 @@
       "__uuid__": "3c27b0d3-bf66-47a2-b6a8-09ca24132944"
     },
     "_id": "b6rKGs6AhPW6YpRPz4nSN6"
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "back_home_btn",
+    "_objFlags": 0,
+    "_parent": {
+      "__id__": 1
+    },
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 26
+      },
+      {
+        "__id__": 27
+      },
+      {
+        "__id__": 28
+      },
+      {
+        "__id__": 30
+      }
+    ],
+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 160,
+      "height": 180
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_trs": {
+      "__type__": "TypedArray",
+      "ctor": "Float64Array",
+      "array": [
+        64,
+        682,
+        0,
+        0,
+        0,
+        0,
+        1,
+        0.4,
+        0.4,
+        1
+      ]
+    },
+    "_eulerAngles": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_skewX": 0,
+    "_skewY": 0,
+    "_is3DNode": false,
+    "_groupIndex": 0,
+    "groupIndex": 0,
+    "_id": "03nkgB1lhAC6SB+oYRz2BD"
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 25
+    },
+    "_enabled": true,
+    "_materials": [
+      {
+        "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+      }
+    ],
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": {
+      "__uuid__": "714299b3-6ffd-4ba5-a166-296176854549"
+    },
+    "_type": 0,
+    "_sizeMode": 0,
+    "_fillType": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_atlas": null,
+    "_id": "e0o7Fj2i1K9bPaH3R3OoeJ"
+  },
+  {
+    "__type__": "cc.Widget",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 25
+    },
+    "_enabled": true,
+    "alignMode": 1,
+    "_target": null,
+    "_alignFlags": 9,
+    "_left": 32,
+    "_right": 0,
+    "_top": 32,
+    "_bottom": 269,
+    "_verticalCenter": 0,
+    "_horizontalCenter": 0,
+    "_isAbsLeft": true,
+    "_isAbsRight": true,
+    "_isAbsTop": true,
+    "_isAbsBottom": true,
+    "_isAbsHorizontalCenter": true,
+    "_isAbsVerticalCenter": true,
+    "_originalWidth": 0,
+    "_originalHeight": 180,
+    "_id": "4dkqHl7udCF5gqNOEjqw+t"
+  },
+  {
+    "__type__": "cc.Button",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 25
+    },
+    "_enabled": true,
+    "_normalMaterial": {
+      "__uuid__": "eca5d2f2-8ef6-41c2-bbe6-f9c79d09c432"
+    },
+    "_grayMaterial": null,
+    "duration": 0.1,
+    "zoomScale": 1.1,
+    "clickEvents": [
+      {
+        "__id__": 29
+      }
+    ],
+    "_N$interactable": true,
+    "_N$enableAutoGrayEffect": false,
+    "_N$transition": 3,
+    "transition": 3,
+    "_N$normalColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$pressedColor": {
+      "__type__": "cc.Color",
+      "r": 211,
+      "g": 211,
+      "b": 211,
+      "a": 255
+    },
+    "pressedColor": {
+      "__type__": "cc.Color",
+      "r": 211,
+      "g": 211,
+      "b": 211,
+      "a": 255
+    },
+    "_N$hoverColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "hoverColor": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_N$disabledColor": {
+      "__type__": "cc.Color",
+      "r": 124,
+      "g": 124,
+      "b": 124,
+      "a": 255
+    },
+    "_N$normalSprite": null,
+    "_N$pressedSprite": null,
+    "pressedSprite": null,
+    "_N$hoverSprite": null,
+    "hoverSprite": null,
+    "_N$disabledSprite": null,
+    "_N$target": null,
+    "_id": "e1eNaT6RVJu5tQq3e6IEik"
+  },
+  {
+    "__type__": "cc.ClickEvent",
+    "target": {
+      "__id__": 25
+    },
+    "component": "",
+    "_componentId": "f673bb9HWxERKP4rUNhzg42",
+    "handler": "backToHome",
+    "customEventData": ""
+  },
+  {
+    "__type__": "f673bb9HWxERKP4rUNhzg42",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 25
+    },
+    "_enabled": true,
+    "_id": "f1IGHg+lpP16AlzNEKM60q"
   }
 ]

assets/Scene/Home/Home.ts

@@ -1,3 +1,4 @@
+import BackHomeBtn from "./BackHomeBtn";
 const {ccclass, property} = cc._decorator;
 enum sceneList {
   "Infinite_bg_scroll" = "背景无限滚动",
@@ -23,6 +24,7 @@ export default class Home extends cc.Component {
 
       scrollItem.getChildByName("label").getComponent(cc.Label).string = sceneList[key];
 		  scrollItem.on(cc.Node.EventType.TOUCH_END, () => {
+        BackHomeBtn.instance.toggleActive(true);
         cc.tween(scrollItem)
           .to(0.1, { scale: 1.05 })
           .to(0.1, { scale: 1 })