init

assets/Bundles/MainGame/MainGame.scene

@@ -198,9 +198,9 @@
     "_far": 2000,
     "_color": {
       "__type__": "cc.Color",
-      "r": 75,
-      "g": 75,
-      "b": 75,
+      "r": 102,
+      "g": 102,
+      "b": 102,
       "a": 255
     },
     "_depth": 1,
@@ -1790,6 +1790,9 @@
     "fastBtn": {
       "__id__": 63
     },
+    "camera": {
+      "__id__": 4
+    },
     "_id": "2dUcPvKs9AvZqQZfZoDIZT"
   },
   {

assets/Scripts/Scenes/MainGame/Player.ts

 import {
-    _decorator, EventKeyboard, Input, input, KeyCode, director,
+    _decorator, EventKeyboard, Input, input, KeyCode, director, Camera, lerp,
 } from "cc";
 
 import { Snake } from "./Snake";
@@ -19,6 +19,18 @@ export class Player extends Snake {
     @property(FastBtn)
     fastBtn: FastBtn = null;
 
+    @property(Camera)
+    camera: Camera = null;
+
+    get scale() {
+        return super.scale;
+    }
+
+    set scale(value: number) {
+        super.scale = value;
+        this.camera.orthoHeight = lerp(275, 612, value);
+    }
+
     get length(): number {
         return super.length;
     }

assets/Scripts/Scenes/MainGame/Snake.ts

@@ -56,7 +56,16 @@ export class Snake extends Component {
 
     // 蛇的状态
     isLife: boolean = false;
-    private scale: number = 0.2;
+
+
+    private _scale: number = 0.2;
+    get scale() {
+        return this._scale;
+    }
+    set scale(value: number) {
+        this._scale = value;
+    }
+
     speed: number = 300;
     private energy: number = 0;
     tag: number = 0;
@@ -202,11 +211,11 @@ export class Snake extends Component {
         value += this.lastRemaining;
 
         while (value >= growthThreshold) {
-            this.grow();
             value -= growthThreshold;
             if (this.scale < 1) {
                 this.scale += 0.005;
             }
+            this.grow();
         }
 
         this.lastRemaining = value;