/// <summary>
/// 获取y轴最大值
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
public int getMaxY(TetrisStyle style)
{
int y = 20;
switch (style)
{
case TetrisStyle.I:
//I形状
y = 16;
break;
case TetrisStyle.J: //J形状
case TetrisStyle.L: //L形状
y = 17;
break;
case TetrisStyle.O: //O形状
case TetrisStyle.S: //S形状
case TetrisStyle.T: //T形状
case TetrisStyle.Z: //Z形状
y = 18;
break;
default: //默认I
y = 16;
break;
}
y = y - 1;
return(y);
}
/// <summary>
/// 获取x轴最大值
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
public int getMaxX(TetrisStyle style)
{
int x = 10;
switch (style)
{
case TetrisStyle.I:
//I形状
x = 10;
break;
case TetrisStyle.J: //J形状
case TetrisStyle.L: //L形状
case TetrisStyle.O: //O形状
x = 9;
break;
case TetrisStyle.S: //S形状
case TetrisStyle.T: //T形状
case TetrisStyle.Z: //Z形状
x = 8;
break;
default:
//默认I
x = 10;
break;
}
x = x - 1;
return(x);
}
/// <summary>
/// 获取y轴最小值
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
public int getMinY(TetrisStyle style)
{
int y = 0;
switch (style)
{
case TetrisStyle.I:
//I形状
y = -3;
break;
case TetrisStyle.J: //J形状
case TetrisStyle.L: //L形状
y = -2;
break;
case TetrisStyle.O: //O形状
case TetrisStyle.S: //S形状
case TetrisStyle.T: //T形状
case TetrisStyle.Z: //Z形状
y = -1;
break;
default: //默认I
y = -3;
break;
}
return(y);
}
/// <summary>
/// 静态函数，生成Tetris元素对象
/// </summary>
/// <returns></returns>
public static TetrisElement generate()
{
Random r = new Random(0);
//随机生成形状
int tstyle = getRandom();
tstyle = tstyle % 7;
TetrisStyle style = TetrisStyle.I;
style = (TetrisStyle)Enum.Parse(typeof(TetrisStyle), tstyle.ToString());
//随机生成起始坐标
int x = getRandom();
x = x % 10;
int y = 0;
//根据形状生成位置信息
TetrisElement element = new TetrisElement(style);
//内容由四个点组成，顺序：先上后下，先左后右
Point[] content = element.getContent(style);
//获取最小坐标和最大坐标，防止越界
int minX = element.getMinX(style);
int minY = element.getMinY(style);
int maxX = element.getMaxX(style);
int maxY = element.getMaxY(style);
//修正起始坐标
x = (x <= minX) ? minX : x;
x = (x >= maxX) ? maxX : x;
y = minY;
Point location = new Point(x, y);
element.location = location;
element.content = content;
return(element);
}
/// <summary>
/// 获取x轴最小值
/// </summary>
/// <param name="style"></param>
/// <returns></returns>
public int getMinX(TetrisStyle style)
{
int x = 0;
return(x);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="style">形状</param>
/// <param name="content">内容</param>
/// <param name="location">位置</param>
public TetrisElement(TetrisStyle style, Point[] content, Point location)
{
this.style = style;
this.content = content;
this.location = location;
}
public Point[] getContent(TetrisStyle style)
{
//内容由四个点组成，顺序：先上后下，先左后右
Point[] content = new Point[4];
switch (style)
{
case TetrisStyle.I:
//I形状
content[0] = new Point(0, 0);
content[1] = new Point(0, 1);
content[2] = new Point(0, 2);
content[3] = new Point(0, 3);
break;
case TetrisStyle.J:
//J形状
content[0] = new Point(1, 0);
content[1] = new Point(1, 1);
content[2] = new Point(1, 2);
content[3] = new Point(0, 2);
break;
case TetrisStyle.L:
//L形状
content[0] = new Point(0, 0);
content[1] = new Point(0, 1);
content[2] = new Point(0, 2);
content[3] = new Point(1, 2);
break;
case TetrisStyle.O:
//O形状
content[0] = new Point(0, 0);
content[1] = new Point(1, 0);
content[2] = new Point(0, 1);
content[3] = new Point(1, 1);
break;
case TetrisStyle.S:
//S形状
content[0] = new Point(2, 0);
content[1] = new Point(1, 0);
content[2] = new Point(1, 1);
content[3] = new Point(0, 1);
break;
case TetrisStyle.T:
//T形状
content[0] = new Point(0, 0);
content[1] = new Point(1, 0);
content[2] = new Point(2, 0);
content[3] = new Point(1, 1);
break;
case TetrisStyle.Z:
//Z形状
content[0] = new Point(0, 0);
content[1] = new Point(1, 0);
content[2] = new Point(1, 1);
content[3] = new Point(2, 1);
break;
default:
//默认I
content[0] = new Point(0, 0);
content[1] = new Point(0, 1);
content[2] = new Point(0, 2);
content[3] = new Point(0, 3);
break;
}
return(content);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="style"></param>
public TetrisElement(TetrisStyle style)
{
this.style = style;
}
