pengzhuang.rar_j2me_j2me 手机 游戏 代码_j2me 碰撞检测

package pengzhuang; import java.io.IOException; import javax.microedition.lcdui.*; import javax.microedition.lcdui.game.*; //import People.Tools; public class MyGameCanvas extends GameCanvas implements Runnable { int currentX,currentY; int keyCode; int width,height; Graphics g; Image image=null,image1=null; Sprite sprite; LayerManager layermanager; TiledLayer tiledlayer,tiledlayer1; protected MyGameCanvas() { super(false); currentX=0; currentY=0; width=getWidth(); height=getHeight(); try { image=Image.createImage("/forest01.png"); image1=Image.createImage("/lb.png"); } catch (IOException e) { } tiledlayer=new TiledLayer(10, 15, image, 32, 32); tiledlayer1=new TiledLayer(1,1,image,32,32); sprite=new Sprite(image1, 32, 48); layermanager=new LayerManager(); byte[][] map=MapData.getMap(); byte[][] map1=MapData.getMap1(); for(int i=0;i<map.length;i++) { for(int j=0;j<map[i].length;j++) { tiledlayer.setCell(j, i, map[i][j]); } } tiledlayer1.setCell(0, 0, map1[0][0]); //*************** layermanager.append(sprite); layermanager.append(tiledlayer1); //先写距离近的 layermanager.append(tiledlayer); sprite.setPosition(width/2,height/2); tiledlayer1.setPosition(50, 50); new Thread(this).start(); } public void paint(Graphics g) { g.setColor(0xffffff); g.fillRect(0, 0, width, height); layermanager.setViewWindow(currentX, currentY, 320, 480); layermanager.paint(g, 0, 0); g.drawString("DefaultColorPhone模拟器适用",width/2,height/2,Graphics.BOTTOM|Graphics.HCENTER); } public void run() { long startTime,endTime; g=getGraphics(); while(true) { startTime=System.currentTimeMillis(); switch(keyCode) { case Tools.KEYRIGHT: if(sprite.getFrame()<8||sprite.getFrame()>=11) { sprite.setFrame(8); } else { sprite.nextFrame(); } sprite.move(4,0); currentX+=4; if(currentX+Tools.SCREEN_WIDTH>tiledlayer.getWidth()){ currentX-=4; if(sprite.getX()+sprite.getWidth()>tiledlayer.getWidth()) { sprite.move(-4, 0); } } if(sprite.collidesWith(tiledlayer1, false)) { sprite.move(-4, 0); currentX=currentX-4; } // if(sprite.getX()+10+sprite.getWidth()<width) //控制右边距 // { // sprite.move(4,0); // } // if(sprite.getX()+tiledlayer.getX()+sprite.getWidth()+10>width) // { // if(sprite.getX()+sprite.getWidth()<tiledlayer.getWidth()) // {currentX=currentX+4;//**************** // if(sprite.getX()+sprite.getWidth()<tiledlayer.getWidth()) // { // sprite.move(4, 0); //****************//到右边距时背景图向左移动 // } // } // } // else // { // currentX=currentX-1; //控制背景向左移动 // } break; case Tools.KEYLEFT: if(sprite.getFrame()<4||sprite.getFrame()>=7) { sprite.setFrame(4); } else { sprite.nextFrame(); } sprite.move(-4, 0); currentX=currentX-4; if(currentX<0) { currentX=currentX+4; if(sprite.getX()<0) //控制小人向左走地图是否停止移动 { sprite.move(4, 0); } } if(sprite.collidesWith(tiledlayer1, false)) //控制小人和石头是否发生撞击 { sprite.move(4, 0); } // if(sprite.getX()+tiledlayer.getX()>0) //控制左边距 // { // // sprite.move(-4,0); // if(sprite.collidesWith(tiledlayer1, false)) // { // sprite.move(4, 0); //小人向左走与石头图层碰撞 // } // } // else // { // currentX=currentX-4; // } // if(sprite.getX()+tiledlayer.getX()<0) // { // currentX=currentX-4; //控制背景向右移 // sprite.move(-4, 0); //到左边距时背景图向右移动 // } break; case Tools.KEYUP: if(sprite.getFrame()<12||sprite.getFrame()>=15) { sprite.setFrame(12); } else { sprite.nextFrame(); } // if(sprite.getY()>0) //控制上边距 // { // sprite.move(0,-4); // if(sprite.collidesWith(tiledlayer1, false)) //控制小人向上走与石头是否发生碰撞 // { // sprite.move(0,4); // } // } sprite.move(0, -4); currentY=currentY-4; if(currentY<0) //控制小人向上走地图是否移动 { currentY=currentY+4; if(sprite.getY()<0) { sprite.move(0, 4); //控制小人与上边距是否碰撞 } } if(sprite.collidesWith(tiledlayer1, false)) //控制小人向上走与石头是否发生碰撞 { sprite.move(0,4); } break; case Tools.KEYDOWN: if(sprite.getFrame()>=3) { sprite.setFrame(0); } else { sprite.nextFrame(); } sprite.move(0,4); currentY=currentY+4; if(currentY+Tools.SCREEN_HEIGHT>tiledlayer.getHeight()) { currentY=currentY-4; //控制地图是否移动 if(sprite.getY()+sprite.getHeight()>tiledlayer.getHeight()) { sprite.move(0, -4); //控制小人不出界 } } if(sprite.collidesWith(tiledlayer1, false)) //控制小人向下走与石头是否发生碰撞 { sprite.move(0, -4); } break; } paint(g); flushGraphics(); endTime=System.currentTimeMillis(); if(endTime-startTime<100){ try { Thread.sleep(100-endTime+startTime); } catch (InterruptedException e) { e.printStackTrace(); } } } } protected void keyPressed(int keyCode) { //super.keyPressed(keyCode); this.keyCode=keyCode; } protected void keyReleased(int keyCode) { //super.keyReleased(keyCode); this.keyCode=0; switch(keyCode) { case Tools.KEYRIGHT: sprite.setFrame(8); //恢复站立 break; case Tools.KEYLEFT: sprite.setFrame(4); //恢复站立 break; case Tools.KEYUP: sprite.setFrame(12); //恢复站立 break; case Tools.KEYDOWN: sprite.setFrame(0); //恢复站立 break; } } }