thunderboltact.java

一个经典游戏的移植。学习j2me的好例子

			this.battposx -= (int)(this.STEP*4);
			if(this.battposx < 0) this.battposx = 0;
		}else
		if(this.right) {
			this.battarray = 2;
			this.battposx += (int)(this.STEP*4);
			if(this.battposx > (this.screenw-10)) this.battposx = (this.screenw-10);
		}else{ this.battarray = 0;}
	}
	//我机开枪
	private void sendSulg(int x,int y) {
		if(ballnum < (int)(MAXBALLNUM-1)) {
			ballnum ++;		
		    ballpos[ballnum-1][0] = (int)(x + 8);
		    ballpos[ballnum-1][1] = (int)(y - 2);		    
		}		
	}
	//敌机爆炸图
	private void addBomb(int x,int y,int z) {
		this.bombnum ++;
		this.bombpos[this.bombnum-1][0] = x;
		this.bombpos[this.bombnum-1][1] = y;
		this.bombcort[this.bombnum-1]   = z;
	}
	
	//我机子弹
	private void battSulg() {
		for(int i = 0; i < this.ballnum; i ++) {
			ballpos[i][1] -= (int)(this.STEP*4);
		}
		int kill_sulg = 0;
		for(int i = 0; i < this.ballnum; i ++) {			
		    //我机子弹打中敌机
		    for(int j = 0; j < this.copternum; j ++) {
		    	if((ballpos[i][0] < (int)(copterpos[j][0])+10)&&
		    	   (ballpos[i][0] > (int)(copterpos[j][0]))&&
		    	   (ballpos[i][1] < (int)(copterpos[j][1])+8)&&
		    	   (ballpos[i][1] > (int)(copterpos[j][1]))) {
		    	   	  //爆炸图
		    	   	  addBomb(copterpos[j][0],copterpos[j][1],coptercort[j]);
		    	   	  //敌机销毁
		    	   	  killCopter(j);
		    	   	  //我机子弹销毁
		    	   	  for(int l = j+1; l <= this.ballnum; l ++) {
					  	ballpos[l-1][0] = ballpos[l][0];
					  	ballpos[l-1][1] = ballpos[l][1];
					  }
					  this.copternum --;
		    	   	  kill_sulg ++;		    	   	  
		    	}
		    }
		}
		this.ballnum -= kill_sulg;
		kill_sulg = 0;
		for(int i = 0; i < this.ballnum; i ++) {	
		    //我机子弹到顶
			if(ballpos[i][1] < this.STEP) {
			  for(int j = i+1; j <= this.ballnum; j ++) {
			  	ballpos[j-1][0] = ballpos[j][0];
			  	ballpos[j-1][1] = ballpos[j][1];
			  }
			  kill_sulg ++;
		    }
		}		
		this.ballnum -= kill_sulg;
	}
	
	//敌机
	private void copterEnemy() {
		int m = this.copternum;
		if(m < MINCOPTER) this.romdan = 0;
		else this.romdan = 90;
		if(m < MAXCOPTERNUM) {
			this.math = (int)(random.nextInt());
			if((math+"").length()>4) 
			  this.math = (int)(Integer.parseInt((math+"").substring(2,4)));
			else this.math = (int)(screenw/2);
			if(this.math >= romdan) {
				this.math = (int)(random.nextInt());
				if(this.math < 0) this.coptercort[m+1] = -1;
				else if(math > 0) this.coptercort[m+1] = 1;
				else if(math==0) this.coptercort[m+1] = 0;
				if((math+"").length()>4) 
				  this.math = (int)(Integer.parseInt((math+"").substring(2,4)));
				else math = (int)(this.screenw/2);
			    m ++;
			    this.copterpos[m][0] = this.math;
			    this.copterpos[m][1] = (int)(this.STEP-1);			    
			}
		}
		this.copternum = m;
		for(int i = 0; i <this.copternum; i ++) {
			this.copterpos[i][0] += (int)(this.coptercort[i]);
			this.copterpos[i][1] += (int)(this.STEP*2);
		}
		int kill_copter = 0;
		for(int i = 0; i < this.copternum; i ++) {			
		    //敌机打中我机
		    	if((copterpos[i][0] < (int)(battposx)+15)&&
		    	   (copterpos[i][0] > (int)(battposx))&&
		    	   (copterpos[i][1] < (int)(battposy)+13)&&
		    	   (copterpos[i][1] > (int)(battposy))) {
		    	   	  //爆炸图
		    	   	  addBomb(battposx,battposy,coptercort[i]);
		    	   	  //敌机销毁
		    	   	  for(int l = i+1; l <= this.copternum; l ++) {
					  	copterpos[l-1][0] = copterpos[l][0];
					  	copterpos[l-1][1] = copterpos[l][1];
					  }
		    	   	  //我机销毁
		    	   	  killBattleplan();		    	   	  
		    	   	  kill_copter ++;   	   	  
		    	}
		}
		this.copternum -= kill_copter;
		kill_copter = 0;
		for(int i = 0; i < this.copternum; i ++) {
			if((this.copterpos[i][0] > this.screenw)||
			   (this.copterpos[i][1] > this.screenh)||			   
			   (this.copterpos[i][0] < (int)(this.STEP-10))) {
			  for(int j = i+1; j <= this.copternum; j ++) {
			  	this.copterpos[j-1][0] = this.copterpos[j][0];
			  	this.copterpos[j-1][1] = this.copterpos[j][1];
			  }
			  kill_copter ++;
		   }		    
		}
		this.copternum -= kill_copter;
	}
	//敌机子弹
	private void copterSulg() {
		int m = this.copterballnum;
		if(m < (int)(MINCOPTER+1)) this.romdan = 0;
		else this.romdan = 95;
		if(m < MAXCOPTERBALLNUM) {
		 for(int i = 0; i < this.copternum; i ++) {
			this.math = (int)(random.nextInt());
			if((math+"").length()>4) 
			  this.math = (int)(Integer.parseInt((math+"").substring(2,4)));
			else this.math = (int)(screenw/2);
			if(this.math >= romdan) {
				this.math = (int)(random.nextInt());
				if(this.math < 0) this.copterballcort[m+1] = -1;
				else if(math > 0) this.copterballcort[m+1] = 1;
				else if(math==0) this.copterballcort[m+1] = 0;
				if((math+"").length()>4) 
				  this.math = (int)(Integer.parseInt((math+"").substring(3,4)));
			    m ++;
			    this.copterballpos[m][0] = (int)(this.copterpos[i][0]+8);
			    this.copterballpos[m][1] = (int)(this.copterpos[i][1]+15);			    
			}
		 }
		}
		this.copterballnum = m;
		for(int i = 0; i <this.copterballnum; i ++) {
			this.copterballpos[i][0] += (int)(this.copterballcort[i]);
			this.copterballpos[i][1] += (int)(this.STEP*3);
		}
		int kill_copterball = 0;
		for(int i = 0; i < this.copterballnum; i ++) {			
		    //敌机子弹打中我机
		    	if((copterballpos[i][0] < (int)(battposx)+10)&&
		    	   (copterballpos[i][0] > (int)(battposx))&&
		    	   (copterballpos[i][1] < (int)(battposy)+8)&&
		    	   (copterballpos[i][1] > (int)(battposy))) {
		    	   	  //爆炸图
		    	   	  addBomb(battposx,battposy,coptercort[i]);
		    	   	  //敌机子弹销毁
		    	   	  for(int l = i+1; l <= this.copterballnum; l ++) {
					  	copterballpos[l-1][0] = copterballpos[l][0];
					  	copterballpos[l-1][1] = copterballpos[l][1];
					  }
		    	   	  //我机销毁
		    	   	  killBattleplan();	
		    	   	  kill_copterball ++;   	   	  
		    	}
		}		
		this.copterballnum -= kill_copterball;
		kill_copterball = 0;
		for(int i = 0; i < this.copterballnum; i ++) {
			if((this.copterballpos[i][0] > this.screenw)||
			   (this.copterballpos[i][1] > this.screenh)||			   
			   (this.copterballpos[i][0] < (int)(this.STEP-1))) {
			  for(int j = i+1; j <= this.copterballnum; j ++) {
			  	this.copterballpos[j-1][0] = this.copterballpos[j][0];
			  	this.copterballpos[j-1][1] = this.copterballpos[j][1];
			  }
			  kill_copterball ++;
		   }
		}
		this.copterballnum -= kill_copterball;		
	}
	//打掉所有敌机
	private void killAllCopter() {
	    if(this.killAll > 0) {
		  this.killAll --;
		  this.kill_poing += (int)(this.copternum * 10);
		
		  for(int i = 0; i < this.copterballnum; i ++) {
			this.copterballpos[i][0] = 0;
			this.copterballpos[i][1] = 0;
			this.copterballcort[i] = 0;
		  }
		  for(int i = 0; i < this.copternum; i ++) {
			this.copterpos[i][0] = 0;
			this.copterpos[i][1] = 0;
			this.coptercort[i] = 0;
		  }
		  for(int i = 0; i < this.bombnum; i ++) {
			this.bombpos[i][0] = 0;
			this.bombpos[i][1] = 0;
			this.bombcort[i] = 0;
		  }
		  this.copternum = 0;
		  this.copterballnum = 0;
		  this.bombnum = 0;
        }
	}
	//爆炸位置
	private void bomb() {
		for(int i = 0; i <this.bombnum; i ++) {
			this.bombpos[i][0] += this.bombcort[i];
			this.bombpos[i][1] += (int)(this.STEP*2);
		}
		int kill_bombball = 0;
		for(int i = 0; i < this.bombnum; i ++) {
			if((this.bombpos[i][0] > this.screenw)||
			   (this.bombpos[i][1] > this.screenh)||			   
			   (this.bombpos[i][0] < (int)(this.STEP-1))) {
			  for(int j = i+1; j <= this.bombnum; j ++) {
			  	this.bombpos[j-1][0] = this.bombpos[j][0];
			  	this.bombpos[j-1][1] = this.bombpos[j][1];
			  }
			  kill_bombball ++;
		   }		    
		}
		this.bombnum -= kill_bombball;
	}
	//打掉一架敌机
	private void killCopter(int pos) {
		for(int j = pos+1; j <= this.copternum; j ++) {
	  	  this.copterpos[j-1][0] = this.copterpos[j][0];
	  	  this.copterpos[j-1][1] = this.copterpos[j][1];
	    }	    
	    kill_poing += 10;	    
	    this.copternum --;
	}
	
	//我机销毁
	private void killBattleplan() {
		this.battacount --;
		if(this.battacount > 0) {
			this.battposx = (int)((this.screenw/2)-5);	
		    this.battposy = 85;
		}
    }
    
    public int getKillPoint() {
    	return this.kill_poing;
    }
    
    public int getSpeed() {
    	return this.speed;
    }
    
    public void setSpeed(int speed) {
    	this.speed = speed;
    }
}