/// <summary>
/// snake是否吃到自己
/// </summary>
public void HitSelfTest()
{
SnakeItem headItem = m_snakeBody.First();
for (int i = 1; i < m_snakeBody.Count; i++)
{
if (m_snakeBody.ElementAt(i).ItemPositon == headItem.ItemPositon)
{
this.IsAlive = false;
return;
}
}
}
/// <summary>
/// snakebody移动
/// </summary>
public void Move()
{
SnakeItem newItem;
Point newItemPos = new Point();
SnakeItem headItem = m_snakeBody.First();
SnakeItem tailItem = m_snakeBody.Last();
int tailIndex = m_snakeBody.IndexOf(tailItem);
int headIndex = m_snakeBody.IndexOf(headItem);
// 计算新的头部的位置
switch (SnakeBodyDirec)
{
case Direction.SOUTH:
newItemPos.X = headItem.ItemPositon.X;
newItemPos.Y = headItem.ItemPositon.Y + m_snakeMoveDis;
break;
case Direction.NORTH:
newItemPos.X = headItem.ItemPositon.X;
newItemPos.Y = headItem.ItemPositon.Y - m_snakeMoveDis;
break;
case Direction.WEST:
newItemPos.X = headItem.ItemPositon.X - m_snakeMoveDis;
newItemPos.Y = headItem.ItemPositon.Y;
break;
case Direction.EAST:
newItemPos.X = headItem.ItemPositon.X + m_snakeMoveDis;
newItemPos.Y = headItem.ItemPositon.Y;
break;
case Direction.PAUSE:
return;
default:
break;
}
// 新的头部
// 将头部的颜色设置为身体的颜色
headItem.ItemColor = this.SnakeBodyColor;
newItem = new SnakeItem(newItemPos);
newItem.ItemColor = this.SnakeHeadColor;
// 移除尾部item
RemoveSnakeItem(tailIndex);
m_snakeBody.Insert(headIndex, newItem);
}
public void CreateSnakeBody(Point beginPos, Graphics snakeGrap)
{
RemoveAllSnakeItem();
this.TotalScore = 0;
this.m_snakeGrap = snakeGrap;
this.SnakeBodyDirec = Direction.WEST; // 初始化方向为west
SnakeItem headItem = new SnakeItem(beginPos);
headItem.ItemColor = this.SnakeHeadColor;
m_snakeBody.Add(headItem);
// 初始化snake
for (int i = 0; i < 6; i++)
{
AddSnakeItem();
}
IsAlive = true;
}