man.java

J2ME进阶学习代码

	}

	public void changelevel(int levelHeight)
	{
		level_change++;
		if (level_change/levelHeight == 1)
		{
			level_change = 0;
			level++;
		}	
	}


	public void scrollside(int chg_side,int max_chg)
	{
		position_side_y = position_side_y - chg_side;
		if (position_side_y < -max_chg)
			position_side_y = 0;
	}

	public void objup(int chg_obj_y)
	{

		for(int i=0;i<16;i++)
		{
			//坐标减小,物体上移
			position_obj_y[i] = position_obj_y[i] - chg_obj_y;
			
			//使物体坐标循环出现
			if (position_obj_y[i] < 15)
			{
				Int_tmp[i] = (rnd.nextInt() >>> 1)%6;
				if (i == 0 )
				{
					position_obj_y[0] = position_obj_y[15] + 30;
					Int_tmp[0] = (rnd.nextInt() >>> 1) % 6;
				}
				else
				{
						position_obj_y[i] = position_obj_y[i-1] + 30;
						Int_tmp[i] = (rnd.nextInt() >>> 1) % 6;
					}
					position_obj_x[i] = SIDE_WIDTH + (rnd.nextInt() >>> 1)%(SCREEN_WIDTH/12-1)*12;
					if (position_obj_x[i]>SCREEN_WIDTH - OBJ_WIDTH - SIDE_WIDTH)
					{
						position_obj_x[i] = position_obj_x[i] - OBJ_WIDTH - SIDE_WIDTH;
					}
				}
			}
	}
//画屏幕
	public void paint(Graphics graphics)
	{
        	graphics.setColor(0,0,0);
        	graphics.fillRect(0,0,SCREEN_WIDTH,SCREEN_HEIGHT);
        	graphics.clipRect(0,0,SCREEN_WIDTH,SCREEN_HEIGHT);
		graphics.setColor(255,0,0);
		graphics.drawString("生命: "+life,10,0,Graphics.LEFT|Graphics.TOP);
		graphics.drawString("层数: "+level,70,0,Graphics.LEFT|Graphics.TOP);
  		if(isgameover)
  		{
			level_change = level;
    			graphics.drawString("Game Over",SCREEN_WIDTH/2, SCREEN_HEIGHT*1/3, Graphics.TOP|Graphics.HCENTER);
    			graphics.drawString("层数: "+level_change,SCREEN_WIDTH/2, SCREEN_HEIGHT*1/3+20, Graphics.TOP|Graphics.HCENTER);

 		 }
		else
		{
		//显示物体
		for(int i=0;i<16;i++)
		{
			draw_obj(graphics, I_obj1, Int_tmp[i], position_obj_x[i], position_obj_y[i]);
		}
		}
		//顶端 左侧 右侧
		for(int i=0;i<SCREEN_WIDTH/8+1;i++)
		{
			game.MydrawRegion(graphics,I_top,0,0,8*i,14,8,8);
		}
		for(int i=0;i<SCREEN_HEIGHT/16+1;i++)
		{
			game.MydrawRegion(graphics,I_side,0,0,0,position_side_y + SIDE_HEIGHT * i,SIDE_WIDTH,SIDE_HEIGHT);
			game.MydrawRegion(graphics,I_side, SIDE_WIDTH, 0, SCREEN_WIDTH - SIDE_WIDTH, position_side_y + SIDE_HEIGHT * i,SIDE_WIDTH,SIDE_HEIGHT);
		}
		gameover();
		checkman(graphics);
		checkposition(graphics, 2, (MAN_MOV_Y + OBJ_MOV)/2, MAN_MOV_Y);
		checktop(16, 3, MAN_MOV_Y);
		checkbottom(SCREEN_HEIGHT,MAN_MOV_Y);
		checkside();
		serviceRepaints();

	}

//检查状态以显示小人状态
	public void checkman(Graphics graphics)
	{

		if (directionup == 0)
		{
			switch(direction)
			{
				case 0:
		        		game.MydrawRegion(graphics,I_man,8 * MAN_WIDTH,directionhit *16, position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
				case 1:
			        	game.MydrawRegion(graphics,I_man,directionhit*4*MAN_WIDTH + man_picIndex * MAN_WIDTH,0,position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
				case 2:
		        		game.MydrawRegion(graphics,I_man,directionhit*4*MAN_WIDTH + man_picIndex * MAN_WIDTH,16,position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
			}
		}
		else if (directionup == 1)
		{
			switch(direction)
			{
				case 0:
	        			game.MydrawRegion(graphics,I_man,directionhit*4*MAN_WIDTH + man_picIndex * MAN_WIDTH,48,position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
				case 1:
			        	game.MydrawRegion(graphics,I_man,directionhit*4*MAN_WIDTH + man_picIndex * MAN_WIDTH,32,position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
				case 2:
			        	game.MydrawRegion(graphics,I_man,directionhit*4*MAN_WIDTH + man_picIndex * MAN_WIDTH,64,position_man_x,position_man_y, MAN_WIDTH, MAN_HEIGHT);
					break;
			}
		}


	}

//检查人物是否到达顶部
	public void checktop(int topposition,int lifevalue,int chg_man_y)
	{
		if(position_man_y <= topposition)
		{
			life = life- lifevalue;
			position_man_y = topposition + chg_man_y;
			directionhit = 1;
		}
		if(life < 1)
		{
			isgameover = true;
			position_man_y = SCREEN_HEIGHT + position_man_y;
		}

			
	}
//检查人物是否到达底部
	public void checkbottom(int bottomposition,int chg_man_y)
	{
		if(position_man_y > bottomposition - 16)
		{
			life = 0;
			isgameover = true;
			position_man_y = bottomposition + MAN_HEIGHT + chg_man_y;
		}
			
	}

	public void checkside()
	{
			if(position_man_x < 9)
			{
				position_man_x = 8;
			}

			if(position_man_x > SCREEN_WIDTH-16-9)
			{
				position_man_x = SCREEN_WIDTH-16-8;
			}
	}

	public void checkposition(Graphics graphics, int nearly_x, int nearly_y, int chg_man_y)
	{
		int check_num=1;
		for(int i=0;i<16;i++)
		{
			if (position_man_x + MAN_WIDTH - nearly_x >= position_obj_x[i] && position_man_x <= position_obj_x[i] + OBJ_WIDTH - nearly_x)
			{

				switch(Int_tmp[i])
				{
					case 0://平板
						if(position_obj_y[i] - position_man_y - MAN_HEIGHT >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT <= nearly_y)
						{
							life_change++;
							if(life_change == 1 && life < 15)
								life++;
							position_man_y=position_obj_y[i]-16;
							position_man_y = position_man_y - chg_man_y;
							check_num = 0;
							directionup = 0;
							directionhit = 0;
						}
						break;
					case 1://右滚板
						if(position_obj_y[i] - position_man_y - MAN_HEIGHT >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT <= nearly_y)
						{
							life_change++;
							if(life_change == 1 && life < MAX_LIFE)
								life++;
							position_man_y=position_obj_y[i]-16;
							position_man_y = position_man_y - chg_man_y;
							check_num = 0;
							position_man_x++;
							directionup = 0;
							directionhit = 0;
						}
						break;
					case 2://左滚板
						if(position_obj_y[i] - position_man_y - MAN_HEIGHT >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT <= nearly_y)
						{
							life_change++;
							if(life_change == 1 && life < MAX_LIFE)
								life++;
							position_man_y=position_obj_y[i]-16;
							position_man_y = position_man_y - chg_man_y;
							check_num = 0;
							position_man_x--;
							directionup = 0;
							directionhit = 0;
						}
						break;

					case 3://翻板
						if(position_obj_y[i] - position_man_y - MAN_HEIGHT >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT <= nearly_y)
						{
							life_change++;
							if(life_change == 1 && life < MAX_LIFE)
								life++;
							position_man_y = position_obj_y[i]-MAN_HEIGHT;
							position_man_y = position_man_y - chg_man_y;
							check_num = 0;
							time_num++;
							directionup = 0;
							directionhit = 0;
							if (time_num == 1)
							{
								game.MydrawRegion(graphics,I_obj1,0,96,position_obj_x[i], position_obj_y[i]-3,48,14);
							}
							else if (time_num == 2)
							{
								game.MydrawRegion(graphics,I_obj1,0,110,position_obj_x[i], position_obj_y[i]-4,48,16);
							}
							else if (time_num == 3)
							{
								game.MydrawRegion(graphics,I_obj1,0,126,position_obj_x[i], position_obj_y[i]-3,48,15);
							}
							else if (time_num == 4)
							{
								game.MydrawRegion(graphics,I_obj1,0,88,position_obj_x[i], position_obj_y[i],48,8);
								position_man_y = position_man_y + chg_man_y + 2;
								time_num = 0;
							}

						}
						break;
					case 4://弹板
						//if(position_obj_y[i] - position_man_y - MAN_HEIGHT >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT <= nearly_y)
						{

							time_num++;
							if (time_num == 1&&position_obj_y[i]-position_man_y-16>=-3&&position_obj_y[i]-position_man_y-16<=3)
							{
								life_change++;
								if(life_change == 1 && life < MAX_LIFE)
									life++;
								position_man_y = position_obj_y[i]-16;
								//position_man_y--;
								check_num = 0;
								game.MydrawRegion(graphics,I_obj1,0,147,position_obj_x[i], position_obj_y[i]-2,48,8);
								position_man_y = position_man_y - OBJ_MOV*2;
								directionup = 1;
								directionhit = 0;
							}
							else if (time_num == 2&&position_obj_y[i]-position_man_y-16>=2&&position_obj_y[i]-position_man_y-16<=7)
							{
								life_change++;
								if(life_change == 1 && life < MAX_LIFE)
									life++;
								position_man_y = position_obj_y[i]-16-5;
								check_num = 0;
								game.MydrawRegion(graphics,I_obj1,0,155,position_obj_x[i], position_obj_y[i]-3,48,9);
								position_man_y = position_man_y - OBJ_MOV*2;
								directionup = 1;
								directionhit = 0;
							}
							else if (time_num == 3&&position_obj_y[i]-position_man_y-16>=7&&position_obj_y[i]-position_man_y-16<=12)
							{
								life_change++;
								if(life_change == 1 && life < MAX_LIFE)
									life++;
								position_man_y = position_obj_y[i]-16-10;
								check_num = 0;
								game.MydrawRegion(graphics,I_obj1,0,164,position_obj_x[i], position_obj_y[i]-4,48,10);
								position_man_y = position_man_y - OBJ_MOV*2;
								time_num = 0;
								directionup = 1;
								directionhit = 0;
							}
							else
							{
								time_num--;
								directionup = 0;
								directionhit = 0;
							}
						}


						break;
					case 5://带刺的板
						if(position_obj_y[i] - position_man_y - MAN_HEIGHT/2 >=- nearly_y && position_obj_y[i] - position_man_y - MAN_HEIGHT/2 <= nearly_y)
						{
							life_change++;
							if(life_change == 1)
							{
								life = life - 3;
								if(life < 1)
								{
									position_man_y = SCREEN_HEIGHT + position_man_y;
									isgameover = true;
								}
							}
							position_man_y=position_obj_y[i]-8;
							position_man_y--;
							check_num = 0;
							directionup = 0;
							directionhit = 1;
						}
						break;

				}
			}


		}
		if (check_num != 0)
		{
			position_man_y = position_man_y + MAN_MOV_Y;
			life_change = 0;
			directionup = 1;
			directionhit = 0;
		}
		
	}

//检测按键信息
	public void inputs()
	{
  		int keyState = getKeyStates();
		if((keyState & LEFT_PRESSED)!=0)
		{
			if(position_man_x < SIDE_WIDTH)
			{
				position_man_x = SIDE_WIDTH;
			}
			else
			{
				position_man_x = position_man_x - MAN_MOV_X;
			}
			direction = 1;

		}
		else if((keyState & RIGHT_PRESSED )!=0)
		{
			if(position_man_x > SCREEN_WIDTH -MAN_WIDTH - SIDE_WIDTH - 1)
			{
				position_man_x = SCREEN_WIDTH - MAN_WIDTH - SIDE_WIDTH;
			}
			else
			{
				position_man_x = position_man_x + MAN_MOV_X;
			}
			direction = 2;
		} 
		else if(((keyState & GAME_A_PRESSED)!=0 || (keyState & GAME_B_PRESSED)!=0 ||(keyState & GAME_C_PRESSED)!=0  || (keyState & GAME_D_PRESSED)!=0 || (keyState & FIRE_PRESSED)!=0 || (keyState & UP_PRESSED)!=0 || (keyState & DOWN_PRESSED)!=0 )&& isgameover)//(keyState & FIRE_PRESSED)!=0 && 
		{
			/*this.game.mainmenu.menuindex = 1;
			game.startGame();*/
			running = false;
			man.closeman();
		}
		else direction = 0;

	} 


//显示物体
	public void draw_obj(Graphics graphics,Image image_show, int obj_id,int pos_x,int pos_y)
	{
		switch(obj_id)
		{

			case 0://平板
				game.MydrawRegion(graphics,image_show,0,16,pos_x,pos_y, 48, 8);
				break;
			case 1://右滚板
				game.MydrawRegion(graphics,image_show,0,24+man_picIndex * 8,pos_x,pos_y, 48, 8);
				break;
			case 2://左滚板
				game.MydrawRegion(graphics,image_show,0,56+man_picIndex * 8,pos_x,pos_y, 48, 8);
				break;
			case 3://翻板
				game.MydrawRegion(graphics,image_show,0,88,pos_x,pos_y, 48, 8);
				break;
			case 4://弹板
				game.MydrawRegion(graphics,image_show,0,141,pos_x,pos_y, 48, 6);
				break;
			case 5://带刺的板
				game.MydrawRegion(graphics,image_show,0,0,pos_x,pos_y, 48, 15);
				break;					
		}

	}

}