board.java

来自「《精通JAVA手机游戏与应用程序设计》随书光盘」· Java 代码 · 共 58 行

/*
 * 创建日期 2004-12-16
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package TetirisGame;


import javax.microedition.lcdui.*;


public class Board{
	  final int BOARDWIDTH ;//面板宽度
	  final int BOARDHEIGHT ;//面板长度
	  final int GRIDWIDTH;//单元宽度
	  int board_x;//坐标x
	  int board_y;//坐标y
	  
	public Board(int width,int height,int gridwidth){
		 BOARDWIDTH = width ;
		 BOARDHEIGHT = height;
		 GRIDWIDTH = gridwidth; 
	}
	//画网格
	private void DrawGrid(Graphics g){
		g.setColor(0x00ff00ff);
		int i;
		int columnnum,rownum;
		columnnum = BOARDWIDTH / GRIDWIDTH;
		rownum = BOARDHEIGHT / GRIDWIDTH;
		
		for (i = 1;i<columnnum;i++){
			g.drawLine(board_x + GRIDWIDTH * i,board_y,
						board_x + GRIDWIDTH * i,board_y +BOARDHEIGHT);
					}
						
		for (i = 1; i<rownum;i++){
			g.drawLine(board_x,board_y + GRIDWIDTH * i,
						board_x + BOARDWIDTH,board_y+GRIDWIDTH*i);
					}
	}		
	//坐标(x,y)
	public void DrawBoard(Graphics g,int x,int y,boolean ifdrawGrid){
		board_x = x;
		board_y = y;
		g.setColor(0x00ff00ff);
		g.drawRect(board_x,board_y,BOARDWIDTH,BOARDHEIGHT);
		g.drawRect(board_x-5,board_y-5,BOARDWIDTH+10,BOARDHEIGHT+10);
		
		if(ifdrawGrid){
			//画网格
			this.DrawGrid(g);
		}
	}
		
}