mazepanel.java

java写的一个用堆栈进行迷宫求解的算法演示

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;

import javax.swing.JPanel;


public class MazePanel extends JPanel {
	
	private Maze maze;
	public Image buffer;

	public MazePanel(Maze m){
		maze = m;
		this.setSize(510, 510);
		//buffer = createImage(500,500);
	}
	
	public void init(){
		buffer = createImage(500,500);
	}
	
	public void paint(Graphics g){
		super.paint(g);
		g.drawImage(buffer,5,5,this);
		Color color = g.getColor();
		g.setColor(Color.BLACK);
		for(int i = 0; i < 11; i++){
			g.drawLine(i*50+5, 5, i*50+5, 505);
			g.drawLine(5, i*50+5, 505, i*50+5);
		}
		g.setColor(Color.GRAY);
		for(int x = 0; x < 10; x++){
			for(int y=0; y < 10; y++){
				if(maze.GetElement(x, y).iswall) g.fillRect(x*50+6, y*50+6, 49, 49);
			}
		}
		g.setColor(color);
	}
	
	public void visit(int x, int y){
		Graphics gt = buffer.getGraphics();
		gt.setColor(Color.GREEN);
		gt.fillOval(x*50+5, y*50+5, 40, 40);
		repaint();
	}
	
	public void unvisit(int x, int y){
		Graphics gt = buffer.getGraphics();
		gt.setColor(Color.RED);
		gt.fillOval(x*50+5, y*50+5, 40, 40);
		repaint();
	}
	
	public void clear(){
		Graphics gt = buffer.getGraphics();
		gt.clearRect(0, 0, 500, 500);
		repaint();
	}
	
	public void setMaze(Maze m){
		maze = m;
		clear();
		repaint();
	}
}