/// <summary>
/// 蛇身描绘至地图
/// </summary>
/// <param name="panel"></param>
/// <param name="map"></param>
/// <param name="snake"></param>
/// <returns></returns>
public static ModelSnake DrawSnakeOnMap(Panel panel, ModelMap map, ModelSnake snake)
{
snake = GenSnakeOnMap(map, snake);
foreach (var b in snake.Body)
{
DrawMapBox(panel, snake.Color, b.Abscissa, b.Ordinate, map.Box.Width, map.Box.Height);
}
return(snake);
}
public static ModelMap ShowBonus(Panel panel, ModelMap map, ModelSnake snake, Color color)
{
var b = NewBonus(map.Row - 1, map.Column - 1);
while (snake.Body.Count(s => s.Equals(b)) > 0)
{
b = NewBonus(map.Row - 1, map.Column - 1);
}
var m = map.Body.SingleOrDefault(t => t.Abscissa == b.Abscissa && t.Ordinate == b.Ordinate);
if (m != null)
{
DrawMapBox(panel, color, m.Abscissa, m.Ordinate, map.Box.Width, map.Box.Height);
m.Bonus = true;
}
return(map);
}
/// <summary>
/// 在地图上初始化蛇身
/// </summary>
/// <param name="map"></param>
/// <param name="snake"></param>
/// <returns></returns>
public static ModelSnake GenSnakeOnMap(ModelMap map, ModelSnake snake)
{
var sk = snake;
var centerX = map.Row / 2;
var centerY = map.Column / 2;
sk.Body = new List <ModelElement>
{
new ModelElement
{
Abscissa = centerX,
Ordinate = centerY
},
new ModelElement
{
Abscissa = centerX,
Ordinate = centerY - 1
}
};
return(sk);
}
/// <summary>
/// 蛇身在移动图上移动
/// </summary>
/// <param name="panel"></param>
/// <param name="map"></param>
/// <param name="snake"></param>
/// <param name="direction"></param>
/// <param name="enableBack"></param>
/// <param name="dead"></param>
/// <returns></returns>
public static ModelSnake MoveSnakeOnMap(Panel panel, ModelMap map, ModelSnake snake, ModelEnum.Direction direction, bool enableBack, out bool dead)
{
dead = false;
if (!enableBack)
{
if (direction.Equals(ModelEnum.Direction.Up) && snake.Direction.Equals(ModelEnum.Direction.Down))
{
direction = snake.Direction;
}
else if (direction.Equals(ModelEnum.Direction.Down) && snake.Direction.Equals(ModelEnum.Direction.Up))
{
direction = snake.Direction;
}
else if (direction.Equals(ModelEnum.Direction.Left) && snake.Direction.Equals(ModelEnum.Direction.Right))
{
direction = snake.Direction;
}
else if (direction.Equals(ModelEnum.Direction.Right) &&
snake.Direction.Equals(ModelEnum.Direction.Left))
{
direction = snake.Direction;
}
}
else
{
if (direction.Equals(ModelEnum.Direction.Up) && snake.Direction.Equals(ModelEnum.Direction.Down))
{
snake.Body.Reverse();
}
else if (direction.Equals(ModelEnum.Direction.Down) && snake.Direction.Equals(ModelEnum.Direction.Up))
{
snake.Body.Reverse();
}
else if (direction.Equals(ModelEnum.Direction.Left) && snake.Direction.Equals(ModelEnum.Direction.Right))
{
snake.Body.Reverse();
}
else if (direction.Equals(ModelEnum.Direction.Right) &&
snake.Direction.Equals(ModelEnum.Direction.Left))
{
snake.Body.Reverse();
}
}
var head = new ModelElement
{
Abscissa = snake.Body[0].Abscissa,
Ordinate = snake.Body[0].Ordinate
};
switch (direction)
{
case ModelEnum.Direction.Left:
head.Abscissa--;
break;
case ModelEnum.Direction.Right:
head.Abscissa++;
break;
case ModelEnum.Direction.Up:
head.Ordinate--;
break;
case ModelEnum.Direction.Down:
head.Ordinate++;
break;
}
if (head.Abscissa < 0)
{
head.Abscissa = map.Column - 1;
}
else if (head.Abscissa == map.Column)
{
head.Abscissa = 0;
}
if (head.Ordinate < 0)
{
head.Ordinate = map.Row - 1;
}
else if (head.Ordinate == map.Row)
{
head.Ordinate = 0;
}
var d = snake.Body.SingleOrDefault(t => t.Abscissa == head.Abscissa && t.Ordinate == head.Ordinate);
if (d != null)
{
dead = true;
}
var tail = snake.Body[snake.Body.Count - 1];
var m = map.Body.SingleOrDefault(t => t.Bonus && t.Abscissa == tail.Abscissa && t.Ordinate == tail.Ordinate);
if (m == null)
{
DrawMapBox(panel, map.Color, tail.Abscissa, tail.Ordinate, map.Box.Width, map.Box.Height);
snake.Body.Remove(tail);
}
else
{
DrawMapBox(panel, snake.Color, head.Abscissa, head.Ordinate, map.Box.Width, map.Box.Height);
m.Bonus = false;
}
DrawMapBox(panel, snake.Color, head.Abscissa, head.Ordinate, map.Box.Width, map.Box.Height);
snake.Body.Insert(0, head);
snake.Direction = direction;
return(snake);
}
