static private int nextPosition; //移动后的蛇头位置
static public int MoveNextPosition(string direction) //移动后的蛇头位置
{
int[] coordinate = SNAKE.ChangeToCD(SNAKE.SnakeStart);
//coordinate[0]是行-X坐标，coordinate[1]是列-Y坐标
switch (direction)
{
case "↑":
coordinate[0] += -1;
break;
case "↓":
coordinate[0] += 1;
break;
case "←":
coordinate[1] += -1;
break;
case "→":
coordinate[1] += 1;
break;
default:
break;
}
int i = SNAKE.SnakeCoorID(coordinate[0], coordinate[1]);
nextPosition = i;
SNAKE.SnakeMoveCoordinate.Add(i); //记录到SNAKE.SnakeMoveCoordinate数组
return(i);
}
public void RandomFoodCoor()//随机给出食物的位置
{
string id = "pictureBox" + SNAKE.RandomFoodCoor();
object control = this.GetType().GetField(id, System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.IgnoreCase).GetValue(this);
((PictureBox)control).Visible = false;
int[] asd = SNAKE.ChangeToCD(Convert.ToInt32(SNAKE.FoodCoor));
label4.Text = "食物位置：(" + asd[0] + "," + asd[1] + ")";
label2.Text = "长度：" + SNAKE.SnakeLength;
}
public void MoveToDo()//移动
{
int move = MOVE.MoveNextPosition(SNAKE.Direction);
((PictureBox)IdControl(move)).Visible = false;
if (MOVE.MoveDisappear != 0)
{
((PictureBox)IdControl(MOVE.MoveDisappear)).Visible = true;
}
else
{
RandomFoodCoor();
}
int[] asd = SNAKE.ChangeToCD(SNAKE.SnakeStart);
label3.Text = "蛇头位置：(" + asd[0] + "," + asd[1] + ")";
}