/// <summary>
/// 移动元素
/// </summary>
/// <param name="container"></param>
/// <param name="element"></param>
/// <param name="direction"></param>
/// <returns></returns>
public static TetrisElement move(TetrisContainer container, TetrisElement element, TetrisDirection direction)
{
return(container.change(element, direction));
}
/// <summary>
/// 状态发生改变
/// </summary>
/// <param name="element"></param>
/// <param name="direction"></param>
/// <returns></returns>
public TetrisElement change(TetrisElement element, TetrisDirection direction)
{
TetrisElement tmp = null;
//判断不同的方向
switch (direction)
{
case TetrisDirection.DEFAULT:
//如果可以向下移动
if (checkDefault(element))
{
//向下移动一个元素
element.move(element.location.X, element.location.Y + 1);
tmp = element;
}
else
{
//如果不可以向下移动，则更新容器
updateTetris(element);
tmp = null;
}
break;
case TetrisDirection.DOWN:
break;
case TetrisDirection.UP:
break;
case TetrisDirection.LEFT:
if (checkLeft(element))
{
//判断是否可以向左移动
//向下移动一个元素
element.move(element.location.X - 1, element.location.Y);
tmp = element;
}
break;
case TetrisDirection.RIGHT:
if (checkRight(element))
{
//判断是否可以右左移动
//向下移动一个元素
element.move(element.location.X + 1, element.location.Y);
tmp = element;
}
break;
}
//局部变更
if (onPartialChanged != null)
{
Point location = element.location;
Point[] content = new Point[4];
element.content.CopyTo(content, 0);
for (int i = 0; i < content.Length; i++)
{
content[i].X = location.X + content[i].X;
content[i].Y = location.Y + content[i].Y;
}
onPartialChanged(location, content, direction);
}
//判断游戏是否结束
if (onCompleted != null)
{
if (checkComplete())
{
onCompleted();
}
}
//全部变更
if (onFullChanged != null)
{
//判断是是否有权为1的行，如果有则消掉
int[] rows = checkAllTetris();
if (rows.Length > 0)
{
updateAllTetris(rows);//消掉行
onFullChanged(tetris);
}
}
return(tmp);
}