j2me_MIDlet_手机游戏入门开发_俄罗斯方块

package code; //import java.awt.*; //import java.awt.Canvas; //import java.awt.event.*; //import javax.swing.*; import java.util.Random; import javax.microedition.lcdui.*; //写界面所需要的包 /** * 俄罗斯方块 * 高雷 * 2007年11月30日 */ public class cGame extends Canvas implements Runnable { private Random rand; private Thread thread; private Graphics gb; private Image buffer; private Image gameOverImg; //游戏结束 private static final int s_width = 240; private static final int s_height = 320; private static final int s_box_w = 16; private static final int s_box_h = 16; private static final int s_box_w_sum = 10; //操作区域宽 格子数 private static final int s_box_h_sum = 20; //操作区域高 格子数 private static final int s_line_between_x = s_box_w * s_box_w_sum;//分割线x位置 public static final int UP = -1; public static final int DOWN = -2; public static final int LEFT = -3; public static final int RIGHT = -4; public static final int init_x = 3; //当前方块初始化坐标X public static final int init_y = 0; //当前方块初始化坐标y public static int s_box_x = init_x; //当前方块坐标X public static int s_box_y = init_y; //当前方块坐标Y private static int level = 1; //等级 private static int success = 0; //得分 private static long goDownDelayTime[] = //1800; //下降延迟时间 { 1000, 900, 800, 700, 600, 500, 400, 300, 200, 100 }; private static int level_up = (int)(goDownDelayTime[0]-goDownDelayTime[level]); //升级成绩 private static boolean isShowReseau = true; //是否现实网格 private static short s_next_box = 0; //下一个方块编号 private static short boxColor; //当前box的颜色 // private static final Color gameBG = new Color( 0x333333 ); //游戏区域背景颜色 private static final int gameBG = 0x333333; //游戏区域背景颜色 // private static final Color gameColor[] = new Color[] private static final int gameColor[] = new int[] { 0x444444, //new Color( 0x444444 ), //网格颜色 0xEEEEEE, //new Color( 0xEEEEEE ), //方块颜色 0xEE0000, //new Color( 0xEE0000 ), 0x00EE00, //new Color( 0x00EE00 ), 0x0000EE, //new Color( 0x0000EE ), 0xEE00EE, //new Color( 0xEE00EE ), 0xEEEE00, //new Color( 0xEEEE00 ), 0x00EEEE //new Color( 0x00EEEE ) }; private static final short box_sum[][] = new short[][] //所有方块图形 { { 0x0660, 0x0660, 0x0660, 0x0660 }, { 0x2222, 0x00F0, 0x2222, 0x00F0 }, { 0x0264, 0x0630, 0x0264, 0x0630 }, { 0x0462, 0x0360, 0x0462, 0x0360 }, { 0x02E0, 0x4460, 0x0740, 0x0622 }, { 0x0E20, 0x2260, 0x0470, 0x0644 }, { 0x0464, 0x00E4, 0x04C4, 0x04E0 } }; private static short next_box[] = new short[]{ 0x0660, 0x0660, 0x0660, 0x0660 }; private static short box[] = new short[]{ 0x0660, 0x0660, 0x0660, 0x0660 }; private static short map[][]; //地图 private static short box_state = 0;//当前BOX的状态//旋转方向 private static short matrix[][] = //定义矩阵用来计算出box_sum的方块 { { 0x1000, 0x0100, 0x0010, 0x0001 }, { 0x2000, 0x0200, 0x0020, 0x0002 }, { 0x4000, 0x0400, 0x0040, 0x0004 }, { (short)0x8000, 0x0800, 0x0080, 0x0008 } }; public cGame() { setFullScreenMode(true); //设置游戏为全屏幕模式,该函数只能在支持midp2.0的手机上使用 // s_width = getWidth(); //得到屏幕尺寸 宽 // s_height= getHeight(); //得到屏幕尺寸 高 rand = new Random( System.currentTimeMillis() ); try { //gameOverImg = Toolkit.getDefaultToolkit().getImage("src/pics/laser.png"); gameOverImg = Image.createImage("/pics/laser.png"); }catch(Exception e){} //setSize( s_width, s_height ); //设置画布 initGame(); //游戏初始化 thread = new Thread(this); thread.start(); } private void initGame() { level = 1; //等级 success = 0; //得分 map = new short[s_box_h_sum][s_box_w_sum]; setNextBox(); //设置下一个BOX setBox(); //将下一个BOX设置成当前BOX setGameOver( false ); //恢复游戏 } private void setBox() //将next_box设置成当前可控制box { box_state = 0; //box 状态 s_box_x = init_x; //当前方块坐标X s_box_y = init_y; //当前方块坐标Y boxColor = s_next_box; //设置当前BOX颜色 System.arraycopy( next_box, 0, box, 0, next_box.length ); //box = next_box goDownPreTime = System.currentTimeMillis(); //设置好当前BOX后 计时 setNextBox(); //设置下一个BOX if( !isCanMove() ) { setGameOver( true ); } } public static boolean isGameOver = false; public static long updatas = 0; public static long fps = 0; private long startTime, beginTime, endTime; private long delay = 25; private long upTime = 25; public void run() { while ( true ) { try { beginTime = System.currentTimeMillis(); updatas++; updata( updatas ); repaint(); endTime = System.currentTimeMillis(); upTime = endTime-beginTime; if( upTime<delay ) { fps = 1000/delay; thread.sleep(delay-upTime); } else fps = 1000/upTime; }catch(Exception e){ } } } void setGameOver( boolean _isGameOver ) { isGameOver = _isGameOver; } public void updata( long updatas ) { } public void update(Graphics g) { paint(g); } public static int offx = 0; public static int offy = 0; public void paint(Graphics g) { try { if( buffer == null ) { buffer = Image.createImage( s_width, s_height ); //设置画布缓冲区 gb = buffer.getGraphics(); //得到绘图设备 } // gb.translate( offx, offy ); // gb.setColor( new Color( 0x0 ) ); //初始化 画布颜色 gb.setColor( 0x0 ); //初始化 画布颜色 gb.setClip ( 0, 0, s_width, s_height); //初始化 画布区域 gb.fillRect( 0, 0, s_width, s_height); //初始化 画布填充 paintReseau( gb ); //绘制网格 paintNextBox( gb ); //绘制下一BOX paintMap( gb ); //绘制地图上不可以动BOX paintBox( gb, s_box_x, s_box_y ); //绘制当前可控制BOX // gb.setColor( new Color( 0xFF3333 ) ); //分割线颜色 gb.setColor( 0xFF3333 ); //分割线颜色 gb.drawLine( s_line_between_x, 0, s_line_between_x, s_height ); //分割线 // gb.drawString( "FPS:"+fps, s_line_between_x+10,10 ); //祯数 // gb.drawString( "等级:"+level, s_line_between_x+10,30 ); //等级 // gb.drawString( "得分:"+success, s_line_between_x+10,50 ); //分数 gb.drawString( "FPS:"+fps, s_line_between_x+10, 10, g.TOP|g.LEFT );//祯数 gb.drawString( "等级:"+level, s_line_between_x+10, 30, g.TOP|g.LEFT );//等级 gb.drawString( "得分:"+success, s_line_between_x+10, 50, g.TOP|g.LEFT );//分数 if( isGameOver ) { // gb.drawImage( gameOverImg, (getWidth()-offx-gameOverImg.getWidth(null))/2, (getHeight()-gameOverImg.getHeight(null))/2 , null ); gb.drawImage( gameOverImg, s_width>>1, s_height>>1, g.HCENTER|g.VCENTER ); } // gb.translate( -offx, -offy ); } catch(Exception e) { System.out.println("err at paint.e====="+e); } // g.drawImage( buffer, offx, offy, null); //将画布缓冲区绘制到屏幕//偏移 (2，2) g.drawImage( buffer, offx, offy, 0); //将画布缓冲区绘制到屏幕//偏移 (2，2) } private void paintReseau( Graphics g ) //绘制网格 { g.setColor( gameBG ); g.fillRect( 0, 0, s_line_between_x, s_height ); if( isShowReseau ) { g.setColor( gameColor[0] ); for( int i=0; i<s_line_between_x/s_box_w; i++ ) // | { g.drawLine( i*s_box_h, 0, i*s_box_h, s_height ); } for( int j=0; j<s_height/s_box_h; j++ ) // - { g.drawLine( 0, j*s_box_w, s_line_between_x, j*s_box_w ); } } } private void paintBox( Graphics g, int off_x, int off_y ) { for( int i=0; i<4; i++ ) //行 { for( int j=0; j<4; j++ ) //列 { if( (box[box_state] & matrix[i][j]) == matrix[i