drawcanvas.java

本人经过一周废寝忘食编写的贪食蛇游戏改进版

package gameproject;
import java.awt.*;
import java.awt.Image;
import java.awt.image.BufferedImage;

public class DrawCanvas extends Canvas{
  Image image;
    public DrawCanvas() {
  image=this.getToolkit().getImage(gameproject.GreedSnakeFrame.class.getResource("mypic/snake.jpg"));
  MediaTracker mt=new MediaTracker(this);
  mt.addImage(image,1);

  try{
    mt.waitForAll();
      }catch(Exception err){
        err.printStackTrace();
      }
      if(image.getWidth(this)==-1){
        System.out.println("Cound not get image");
        System.exit(-1);
      }
      this.setBackground(Color.black);
    }
public void paint(Graphics g){
      Graphics2D g2D=(Graphics2D)g;
      BufferedImage bimage=(BufferedImage)this.createImage(this.getWidth(),this.getHeight());
      bimage.createGraphics().drawImage(this.image,0,0,this);
      g2D.drawImage(bimage,0,0,this);
    }
}