j2me手机游戏实例之--俄罗斯方块

package slidingblocks; import java.util.Random; //import java.util.Vector; import javax.microedition.lcdui.*; public class BlocksCanvas extends Canvas implements Runnable{ private int blocks_case=0;//方块种类，设计五种。 boolean isChange=false;//是否翻转 private final static int DIRECTION_UP=1; private final static int DIRECTION_DOWN=2; private final static int DIRECTION_LEFT=3; private final static int DIRECTION_RIGHT=4; int direction; int width; int height; int blocksX; int blocksY; int rotateNum=0;//方块翻转case设置 int[][] blocksArr=new int[4][4];//存放要落下的block int[][] screenArr=new int[36][24];//存放显示屏幕已落下的blocks int[] blocksTop=new int[24];//存放screenArr中每列最上方的block int[] rightBlocks=new int[4]; int[] leftBlocks=new int[4]; int[] bottomBlocks=new int[4]; int[] blocksBuffI=new int[4]; int[] blocksBuffJ=new int[4]; private final byte BLOCKSWIDTH=8; private int score=0; private int marks=0; boolean isPaused=false; boolean isRun=true; boolean isLeft=false; boolean isRight=false; boolean isFirst; boolean isBottom=false; boolean isLineFull=false; boolean isGameOver=false; private int SLEEP_TIME=300; Random random=new Random(); // Vector vectorI = new Vector(4); // Vector vectorJ = new Vector(4); public BlocksCanvas(){ width=BLOCKSWIDTH*24; height=BLOCKSWIDTH*36; blocksX=width/2; blocksY=0; isFirst=true; init(); initblocksBuff(); clearscreenArr(); new Thread(this).start(); } private void init(){ switch(blocks_case){ case 0: blocksArr[0][0]=blocksArr[0][1]=blocksArr[1][0]=blocksArr[1][1]=1; break; case 1: blocksArr[0][0]=blocksArr[0][1]=blocksArr[1][1]=blocksArr[1][2]=1; break; case 2: blocksArr[0][0]=blocksArr[0][1]=blocksArr[0][2]=blocksArr[1][2]=1; break; case 3: blocksArr[0][1]=blocksArr[1][0]=blocksArr[1][1]=blocksArr[1][2]=1; break; case 4: blocksArr[0][0]=blocksArr[0][1]=blocksArr[0][2]=blocksArr[0][3]=1; break; } } private void initblocksBuff(){ int k=0; for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(blocksArr[i][j]==1){ blocksBuffI[k]=i; blocksBuffJ[k]=j; k++; } } } } protected void paint(Graphics g) { // TODO Auto-generated method stub g.setColor(0xffffff); g.fillRect(0, 0, getWidth(),getHeight()); g.setColor(0xff0000); g.drawLine(width, 0, width, height); g.setFont(Font.getDefaultFont()); g.drawString("Sore",width+(getWidth()-width)/2,BLOCKSWIDTH*2,g.HCENTER|g.BASELINE); g.drawString(""+score,width+(getWidth()-width)/2,BLOCKSWIDTH*4,g.HCENTER|g.BASELINE); if(!isGameOver){ for(int k=0;k<4;k++){ g.setColor(0); g.fillRect(blocksX+blocksBuffJ[k]*BLOCKSWIDTH, blocksY+blocksBuffI[k]*BLOCKSWIDTH, BLOCKSWIDTH, BLOCKSWIDTH); // System.out.println("i="+i+" ,j="+j); } for(int i=35;i>=0;i--){ for(int j=0;j<24;j++){ if(screenArr[i][j]==1){ g.setColor(0); g.fillRect(j*BLOCKSWIDTH, i*BLOCKSWIDTH, BLOCKSWIDTH, BLOCKSWIDTH); } } } } else{ g.drawString("GameOver ", width/2, height/5*3, Graphics.HCENTER|Graphics.BASELINE); } } private void move(){ // blocksY+=BLOCKSWIDTH; blocksY+=BLOCKSWIDTH; state(direction); // System.out.println("dir3:"+direction); direction=0; // System.out.println("dir4:"+direction); // System.out.println(blocksY); for(int k=0;k<4;k++){ if(blocksY+(blocksBuffI[k])*BLOCKSWIDTH>=height){ isBottom=true; saveblocks(); linefull(); if(isLineFull){ isLineFull=false; getscore(); repaint(); } generateBlocks(); // isFirst=false; } } if(!isBottom&&collide(2)){//下落方块下边有方块 // System.out.println("aaa"); saveblocks(); linefull(); if(isLineFull){ isLineFull=false; getscore(); repaint(); } if(blocksY==BLOCKSWIDTH){ isGameOver=true; } generateBlocks(); } } private void getscore(){ switch(marks){ case 1: score=score+100; break; case 2: score=score+300; break; case 3: score=score+700; break; case 4: score=score+1500; break; } marks=0; //return score; } // System.out.println("end"); private void linefull(){ for(int i=35;i>=0;i--){ while(screenArr[i][0]==1&&screenArr[i][1]==1&&screenArr[i][2]==1&&screenArr[i][3]==1&&screenArr[i][4]==1&&screenArr[i][5]==1&&screenArr[i][6]==1&&screenArr[i][7]==1&&screenArr[i][8]==1&&screenArr[i][9]==1&&screenArr[i][10]==1&&screenArr[i][11]==1&&screenArr[i][12]==1&&screenArr[i][13]==1&&screenArr[i][14]==1&&screenArr[i][15]==1&&screenArr[i][16]==1&&screenArr[i][17]==1&&screenArr[i][18]==1&&screenArr[i][19]==1&&screenArr[i][20]==1&&screenArr[i][21]==1&&screenArr[i][22]==1&&screenArr[i][23]==1){ marks++; for(int j=0;j<24;j++){ screenArr[i][j]=0; for(int k=i;k>=1;k--){ screenArr[k][j]=screenArr[k-1][j]; } } isLineFull=true; } } } /* private boolean collide(){ int[] blocksI=new int[4]; int[] blocksJ=new int[4]; int[] screenI=new int[24]; int k=0; for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(blocksArr[i][j]==1){ // System.out.println("i:"+i+" ,j:"+j); blocksI[k]=i; blocksJ[k]=j; k++; } } } int m=0; for(int j=0;j<24;j++){ for(int i=35;i>=0;i--){ if(screenArr[i][j]==1){ screenI[m]=i; // System.out.println("screenI:"+screenI[m]+"m:"+m); } } m++; } // System.out.println("b"); for(int j=0;j<24;j++){ for(int i=0;i<4;i++){ if(blocksX/BLOCKSWIDTH+blocksJ[i]==j&&blocksY/BLOCKSWIDTH+blocksI[i]==screenI[j])//下落方块下边有已落下方块 return true; } } return false; } */ /* private void initCheckBlock(){ for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(blocksArr[i][j]==1){ rightBlocks[i]=j; } } //System.out.println("rightBlocks["+i+"]:"+rightBlocks[i]); } for(int i=3;i>=0;i--){ for(int j=3;j>=0;j--){ if(blocksArr[i][j]==1){ leftBlocks[i]=j; } } // System.out.println("leftBlocks["+i+"]:"+leftBlocks[i]); } for(int j=0;j<4;j++){ for(int i=0;i<4;i++){ if(blocksArr[i][j]==1){ bottomBlocks[j]=i; } } // System.out.println("bottomBlocks["+j+"]:"+bottomBlocks[j]); } } */ private void saveblocks(){ for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(blocksArr[i][j]==1){ screenArr[blocksY/BLOCKSWIDTH+i-1][blocksX/BLOCKSWIDTH+j]=1; } } } } /* private boolean collide(){//检查下落方块左右两边是否有方块 while(true){ for(int k=0;k<4;k++){ if(screenArr[blocksY/BLOCKSWIDTH+blocksBuffI[k]][blocksX/BLOCKSWIDTH+blocksBuffJ[k]]==1){//右边有方块 return true; } } break; } return false; } */ private boolean collide(int key){//检查下落方块左右两边是否有方块 // System.out.println("asdfasdf"); switch(key){ case 0: for(int k=0;k<4;k++){ if(screenArr[blocksY/BLOCKSWIDTH+blocksBuffI[k]][blocksX/BLOCKSWIDTH+blocksBuffJ[k]]==1){//右边有方块 return true; } } break; case 1: for(int k=0;k<4;k++){ if(screenArr[blocksY/BLOCKSWIDTH+blocksBuffI[k]][blocksX/BLOCKSWIDTH+blocksBuffJ[k]]==1){//左边有方块 return true; } } break; case 2: // System.out.println("case 2:下边有方块"); for(int k=0;k<4;k++){ if(screenArr[blocksY/BLOCKSWIDTH+blocksBuffI[k]][blocksX/BLOCKSWIDTH+blocksBuffJ[k]]==1){//下边有方块 return true; } } break; } return false; } private void generateBlocks(){ //将小方块数组中为1的值添加到大屏幕数组中 // for(int k=0;k<24;k++){ // System.out.println("sreenArr["+35+"]["+k+"]: