背景圖片連續滾動，程序已經跑過。前提！背景圖片寬度比窗體長些，代碼如下：
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import Java.awt.Graphics;import java.awt.Image;import javax.swing.ImageIcon;import mine.game.util.PropertiesUtil;@SuppressWarnings("serial")private Image img=ImageUtil.imageLoad("image/bk.jpg");double movs,speed=1,headmovs;double pWidth,pHeight,bgWidth;@Overridepublic void paint(Graphics g) {//g.drawImage(img, 0, 0, null);//===================================================pWidth=PropertiesUtil.getValue("Width", "game.properties");pHeight=PropertiesUtil.getValue("Height", "game.properties");bgWidth=new ImageIcon(img).getIconWidth();//movs+=speed;if(bgWidth>pWidth+movs){g.drawImage(img, 0, 0, (int)pWidth,(int)pHeight, (int)movs, 0, (int)(pWidth+movs), (int)pHeight, null);}if(bgWidth<=pWidth+movs){headmovs=pWidth+movs-bgWidth;g.drawImage(img, 0, 0, (int)(pWidth-headmovs),(int)pHeight, (int)movs, 0, (int)(bgWidth), (int)pHeight, null);g.drawImage(img,(int)(pWidth-headmovs), 0, (int)pWidth,(int)pHeight, 0, 0, (int)(headmovs), (int)pHeight, null);if(headmovs>=pWidth){//重新初始化所有變量數據，循環movs=headmovs-pWidth;}}movs+=speed;//===================================================}public static void main(String[] args) {GameFrame gf=new GameFrame();gf.launchFrame();}}//=================================import java.awt.Frame;import java.awt.Graphics;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.image.BufferedImage;import mine.game.util.PropertiesUtil;@SuppressWarnings("serial")public class MyFrame extends Frame{private BufferedImage imgBuffer;private Graphics gBuffer;public void launchFrame(){int wd=800;//PropertiesUtil.getValue("Width", "game.properties");int ht=600;//PropertiesUtil.getValue("Height", "game.properties");setSize(wd,ht); setLocation(0, 0); setVisible(true); new PaintThread().start(); addWindowListener(new WindowAdapter() {@Overridepublic void windowClosing(WindowEvent e) {System.exit(0);} });}//重畫窗口線程，內部類class PaintThread extends Thread{public void run(){while(true){repaint();try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}}}}/** * 雙緩沖解決，屏閃.此方法在，繼承Frame的AWT編程中才有效。JFram不湊效,其有自己先進的實現方式（自己猜的，有時間學學） */@Overridepublic void update(Graphics g) {if(imgBuffer==null){imgBuffer=(BufferedImage)createImage(this.getWidth(),this.getSize().height);//創建圖形緩沖//imgBuffer=new BufferedImage((int)this.getSize().getWidth(),(int)this.getSize().getHeight(),BufferedImage.TYPE_4BYTE_ABGR);//創建圖形緩沖}gBuffer=imgBuffer.getGraphics();//獲取圖形緩沖區的圖形上下文 gBuffer.fillRect(0, 0, this.getWidth(), this.getHeight());this.paint(gBuffer);//用paint方法中編寫的繪圖過程對圖形緩沖區繪圖gBuffer.dispose();//釋放圖形上下文資源g.drawImage(imgBuffer, 0, 0, null);//將圖形緩沖區繪制到屏幕上}}//====================import java.awt.Image;import java.awt.Toolkit;import java.NET.URL;public class ImageUtil {public static Image imageLoad(String path){URL u=ImageUtil.class.getClassLoader().getResource(path);return Toolkit.getDefaultToolkit().getImage(u);}} |
希望以上內容代碼對您有所幫助
原文鏈接：http://blog.csdn.net/hongyu83916/article/details/70161368
