private void InstantiateFirstBody()
{
nextSnakeBodyObj = Instantiate(snakeBodyObj, transform.position, transform.rotation) as GameObject;
nextSnakeBody = nextSnakeBodyObj.GetComponent <ColorSnakeBody>();
snakeLength = 1;
nextSnakeBody.SetAllMemember(null, snakeLength);
}
//初始化方法
private void AddOneBody()
{
snakeLength++;
tSnakeBodyObj = Instantiate(snakeBodyObj, snakeTailTrans.position, snakeTailTrans.rotation) as GameObject;
tSnakeBody = tSnakeBodyObj.GetComponent <ColorSnakeBody>();
tSnakeBody.SetAllMemember(snakeTail, snakeLength);
snakeTailObj = tSnakeBodyObj;
snakeTail = tSnakeBody;
snakeTailTrans = tSnakeBodyObj.transform;
snakeBodySpriteRenderer.sortingOrder--;
}