Java繪制迷宮動畫并顯示的示例代碼
更新時間：2022年08月29日 17:02:59 作者：天人合一peng
這篇文章主要為大家詳細(xì)介紹了如何利用Java語言實現(xiàn)繪制迷宮動畫并顯示，文中的示例代碼講解詳細(xì)，對我們學(xué)習(xí)Java有一定幫助，需要的可以參考一下
一次性全部繪制出來
實現(xiàn)代碼
import java.awt.*;
public class AlgoVisualizer {
private static int DELAY = 200;
private static int blockSide = 8;
private MazeData data;
private AlgoFrame frame;
public AlgoVisualizer(String mazeFile){
// 初始化數(shù)據(jù)
data = new MazeData(mazeFile);
int sceneHeight = data.N() * blockSide;
int sceneWidth = data.M() * blockSide;
// 初始化視圖
EventQueue.invokeLater(() -> {
frame = new AlgoFrame("Maze Solver Visualization", sceneWidth, sceneHeight);
new Thread(() -> {
run();
}).start();
});
}
public void run(){
setData();
}
private void setData(){
frame.render(data);
AlgoVisHelper.pause(DELAY);
}
public static void main(String[] args) {
String mazeFile = "maze_101_101.txt";
AlgoVisualizer vis = new AlgoVisualizer(mazeFile);
}
}
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Scanner;
public class MazeData {
public static final char ROAD = ' ';
public static final char WALL = '#';
private int N, M;
private char[][] maze;
public MazeData(String filename){
if(filename == null)
throw new IllegalArgumentException("Filename can not be null!");
Scanner scanner = null;
try{
File file = new File(filename);
if(!file.exists())
throw new IllegalArgumentException("File " + filename + " doesn't exist");
FileInputStream fis = new FileInputStream(file);
scanner = new Scanner(new BufferedInputStream(fis), "UTF-8");
// 讀取第一行
String nmline = scanner.nextLine();
String[] nm = nmline.trim().split("\\s+");
//System.out.print(nm[0] + ' ' + nm[1]);
N = Integer.parseInt(nm[0]);
// System.out.println("N = " + N);
M = Integer.parseInt(nm[1]);
// System.out.println("M = " + M);
// 讀取后續(xù)的N行
maze = new char[N][M];
for(int i = 0 ; i < N ; i ++){
String line = scanner.nextLine();
// 每行保證有M個字符
if(line.length() != M)
throw new IllegalArgumentException("Maze file " + filename + " is invalid");
for(int j = 0 ; j < M ; j ++)
maze[i][j] = line.charAt(j);
}
}
catch(IOException e){
e.printStackTrace();
}
finally {
if(scanner != null)
scanner.close();
}
}
public int N(){ return N; }
public int M(){ return M; }
public char getMaze(int i, int j){
if(!inArea(i,j))
throw new IllegalArgumentException("i or j is out of index in getMaze!");
return maze[i][j];
}
public boolean inArea(int x, int y){
return x >= 0 && x < N && y >= 0 && y < M;
}
public void print(){
System.out.println(N + " " + M);
for(int i = 0 ; i < N ; i ++){
for(int j = 0 ; j < M ; j ++)
System.out.print(maze[i][j]);
System.out.println();
}
return;
}
}
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.lang.InterruptedException;
public class AlgoVisHelper {
private AlgoVisHelper(){}
public static final Color Red = new Color(0xF44336);
public static final Color Pink = new Color(0xE91E63);
public static final Color Purple = new Color(0x9C27B0);
public static final Color DeepPurple = new Color(0x673AB7);
public static final Color Indigo = new Color(0x3F51B5);
public static final Color Blue = new Color(0x2196F3);
public static final Color LightBlue = new Color(0x03A9F4);
public static final Color Cyan = new Color(0x00BCD4);
public static final Color Teal = new Color(0x009688);
public static final Color Green = new Color(0x4CAF50);
public static final Color LightGreen = new Color(0x8BC34A);
public static final Color Lime = new Color(0xCDDC39);
public static final Color Yellow = new Color(0xFFEB3B);
public static final Color Amber = new Color(0xFFC107);
public static final Color Orange = new Color(0xFF9800);
public static final Color DeepOrange = new Color(0xFF5722);
public static final Color Brown = new Color(0x795548);
public static final Color Grey = new Color(0x9E9E9E);
public static final Color BlueGrey = new Color(0x607D8B);
public static final Color Black = new Color(0x000000);
public static final Color White = new Color(0xFFFFFF);
public static void strokeCircle(Graphics2D g, int x, int y, int r){
Ellipse2D circle = new Ellipse2D.Double(x-r, y-r, 2*r, 2*r);
g.draw(circle);
}
public static void fillCircle(Graphics2D g, int x, int y, int r){
Ellipse2D circle = new Ellipse2D.Double(x-r, y-r, 2*r, 2*r);
g.fill(circle);
}
public static void strokeRectangle(Graphics2D g, int x, int y, int w, int h){
Rectangle2D rectangle = new Rectangle2D.Double(x, y, w, h);
g.draw(rectangle);
}
public static void fillRectangle(Graphics2D g, int x, int y, int w, int h){
Rectangle2D rectangle = new Rectangle2D.Double(x, y, w, h);
g.fill(rectangle);
}
public static void setColor(Graphics2D g, Color color){
g.setColor(color);
}
public static void setStrokeWidth(Graphics2D g, int w){
int strokeWidth = w;
g.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
}
public static void pause(int t) {
try {
Thread.sleep(t);
// System.out.println("Dely");
}
catch (InterruptedException e) {
System.out.println("Error sleeping");
}
}
}
import java.awt.*;
import javax.swing.*;
public class AlgoFrame extends JFrame{
private int canvasWidth;
private int canvasHeight;
public AlgoFrame(String title, int canvasWidth, int canvasHeight){
super(title);
this.canvasWidth = canvasWidth;
this.canvasHeight = canvasHeight;
AlgoCanvas canvas = new AlgoCanvas();
setContentPane(canvas);
pack();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setResizable(false);
setVisible(true);
}
public AlgoFrame(String title){
this(title, 1024, 768);
}
public int getCanvasWidth(){return canvasWidth;}
public int getCanvasHeight(){return canvasHeight;}
// data
private MazeData data;
public void render(MazeData data){
this.data = data;
repaint();
}
private class AlgoCanvas extends JPanel{
public AlgoCanvas(){
// 雙緩存
super(true);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
// 抗鋸齒
// RenderingHints hints = new RenderingHints(
// RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_ON);
// hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
// g2d.addRenderingHints(hints);
// 具體繪制
int w = canvasWidth/data.M();
int h = canvasHeight/data.N();
for(int i = 0 ; i < data.N() ; i ++ )
{
for(int j = 0 ; j < data.M() ; j ++){
if (data.getMaze(i, j) == MazeData.WALL)
AlgoVisHelper.setColor(g2d, AlgoVisHelper.LightBlue);
else
AlgoVisHelper.setColor(g2d, AlgoVisHelper.White);
AlgoVisHelper.fillRectangle(g2d, j * w, i * h, w, h);
}
}
}
@Override
public Dimension getPreferredSize(){
return new Dimension(canvasWidth, canvasHeight);
}
}
}一個一個的動畫顯示
DELAY時間不能太小，小了會繪制時出錯，可能是線程出問題了？？？
import java.awt.*;
public class AlgoVisualizer {
private static int DELAY = 10;
private static int blockSide = 8;
private MazeData data;
private AlgoFrame frame;
public AlgoVisualizer(String mazeFile){
// 初始化數(shù)據(jù)
data = new MazeData(mazeFile);
int sceneHeight = data.N() * blockSide;
int sceneWidth = data.M() * blockSide;
// 初始化視圖
EventQueue.invokeLater(() -> {
frame = new AlgoFrame("Maze Solver Visualization", sceneWidth, sceneHeight);
new Thread(() -> {
run();
}).start();
});
}
public void run(){
for (int i = 0; i < data.N(); i++) {
for (int j = 0; j < data.M(); j++) {
setData(i, j);
}
}
}
private void setData(int i, int j){
data.currentN = i;
data.currentM = j;
frame.render(data);
AlgoVisHelper.pause(DELAY);
}
public static void main(String[] args) {
String mazeFile = "maze_101_101.txt";
AlgoVisualizer vis = new AlgoVisualizer(mazeFile);
}
}
import java.awt.*;
public class AlgoVisualizer {
private static int DELAY = 10;
private static int blockSide = 8;
private MazeData data;
private AlgoFrame frame;
public AlgoVisualizer(String mazeFile){
// 初始化數(shù)據(jù)
data = new MazeData(mazeFile);
int sceneHeight = data.N() * blockSide;
int sceneWidth = data.M() * blockSide;
// 初始化視圖
EventQueue.invokeLater(() -> {
frame = new AlgoFrame("Maze Solver Visualization", sceneWidth, sceneHeight);
new Thread(() -> {
run();
}).start();
});
}
public void run(){
for (int i = 0; i < data.N(); i++) {
for (int j = 0; j < data.M(); j++) {
setData(i, j);
}
}
}
private void setData(int i, int j){
data.currentN = i;
data.currentM = j;
frame.render(data);
AlgoVisHelper.pause(DELAY);
}
public static void main(String[] args) {
String mazeFile = "maze_101_101.txt";
AlgoVisualizer vis = new AlgoVisualizer(mazeFile);
}
}
import java.awt.*;
import javax.swing.*;
public class AlgoFrame extends JFrame{
private int canvasWidth;
private int canvasHeight;
public AlgoFrame(String title, int canvasWidth, int canvasHeight){
super(title);
this.canvasWidth = canvasWidth;
this.canvasHeight = canvasHeight;
AlgoCanvas canvas = new AlgoCanvas();
setContentPane(canvas);
pack();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setResizable(false);
setVisible(true);
}
public AlgoFrame(String title){
this(title, 1024, 768);
}
public int getCanvasWidth(){return canvasWidth;}
public int getCanvasHeight(){return canvasHeight;}
// data
private MazeData data;
public void render(MazeData data){
this.data = data;
repaint();
}
private class AlgoCanvas extends JPanel{
public AlgoCanvas(){
// 雙緩存
super(true);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
// 抗鋸齒
// RenderingHints hints = new RenderingHints(
// RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_ON);
// hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
// g2d.addRenderingHints(hints);
// 具體繪制
int w = canvasWidth/data.M();
int h = canvasHeight/data.N();
先判斷是不是已經(jīng)繪制了
for(int n = 0; n < data.N(); n ++ )
{
for(int m = 0 ; m < data.M() ; m ++){
if (data.drawFinshed[n][m]) {
if (data.getMaze(n, m) == MazeData.WALL)
AlgoVisHelper.setColor(g2d, AlgoVisHelper.LightBlue);
else
AlgoVisHelper.setColor(g2d, AlgoVisHelper.White);
AlgoVisHelper.fillRectangle(g2d, m * w, n * h, w, h);
}
}
}
for(int i = data.currentN, j = 0 ; j < data.currentM + 1 ; j ++){
if (data.getMaze(i, j) == MazeData.WALL)
AlgoVisHelper.setColor(g2d, AlgoVisHelper.LightBlue);
else
AlgoVisHelper.setColor(g2d, AlgoVisHelper.White);
AlgoVisHelper.fillRectangle(g2d, j * w, i * h, w, h);
data.drawFinshed[i][j] = true;
}
以前一次性全部繪制顯示出來
// for(int i = 0 ; i < data.N() ; i ++ )
// {
// for(int j = 0 ; j < data.M() ; j ++){
// if (data.getMaze(i, j) == MazeData.WALL)
// AlgoVisHelper.setColor(g2d, AlgoVisHelper.LightBlue);
// else
// AlgoVisHelper.setColor(g2d, AlgoVisHelper.White);
//
// AlgoVisHelper.fillRectangle(g2d, j * w, i * h, w, h);
// }
// }
}
@Override
public Dimension getPreferredSize(){
return new Dimension(canvasWidth, canvasHeight);
}
}
}到此這篇關(guān)于Java繪制迷宮動畫并顯示的示例代碼的文章就介紹到這了,更多相關(guān)Java迷宮內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！
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