init

assets/Scripts/Scenes/MainGame/Snake.ts

@@ -262,7 +262,9 @@ export class Snake extends Component {
     }
 
     setAngle(angle: number) {
-        this.isLife && (this.head.angle = angle);
+        if (this.isLife) {
+            this.head.angle = angle;
+        }
     }
 
     isFast = false;
@@ -293,13 +295,10 @@ export class Snake extends Component {
         }
 
         // 更新头部位置
-        const newHeadPos = this.getNewPos(
-            this.head.angle,
-            dt,
-            this.head.getPosition()
-        );
+        const newHeadPos = this.getNewPos(this.head.angle, dt, this.head.position);
         this.head.setPosition(newHeadPos);
-        this.head.setScale(this.scale, this.scale);
+        const flipY = this.head.angle > 90 && this.head.angle < 270;
+        this.head.setScale(this.scale, flipY ? -this.scale : this.scale);
         this.head.setSiblingIndex(this.bodyArr.length);
 
         const space = ~~(this.SEGMENT_SPACING * this.scale);