snakeGame11.js

//src/stores/gameStore.js
...
class GameStore{
   ...
  @action("Snake is moving")
  handleMoveSnake =() => {
      ...
     //isGameOver control
      for(let i = 1; i < this.snake.slice().length; i++){
      if(this.snake[0].x === this.snake[i].x && this.snake[0].y === this.snake[i].y ){
          if( this.score > this.highScore ){
            AsyncStorage.setItem('snakeHighScore', JSON.stringify(this.score));
          }
          cancelAnimationFrame(this.handleMoveSnake);
          NavigationStore.handleChangeRoute('gameOverScreen');
          clearTimeout(globalID);
          return;
      }
    }
  globalID = setTimeout(()=>{
        requestAnimationFrame(this.handleMoveSnake);
       }, 1000 / this.intervalRate);
  }   
}