Java GUI气泡诗词

实现第个气泡中心显示一个字，在框中随意运动，用空格键按下运行停止，再按下左键运动继续。用鼠标左键按下选中的圆变为填充的，再次按下又变为不填充的。

参考 https://github.com/liuyubobobo/

AlgoVisualizer.java

import java.awt.*;
import java.awt.event.*;public class AlgoVisualizer {private Object data;private Circle[] circles;private AlgoFrame frame;private boolean isAnmiated = true;public AlgoVisualizer(int sceneWidth, int sceneHeight, int N){circles = new Circle[N];int R = 50;for(int i = 0; i < N; i++){int x = (int)(Math.random()*(sceneWidth-2*R)) + R;int y = (int)(Math.random()*(sceneHeight-2*R)) + R;int vx = (int)(Math.random()*11) - 5;int vy = (int)(Math.random()*11) - 5;circles[i] = new Circle(x, y, R, vx, vy);}EventQueue.invokeLater(()->{frame = new AlgoFrame("Welcome-Java", sceneWidth, sceneHeight);frame.addKeyListener(new AlgoKeyListener());frame.addMouseListener(new AlgoMouseListener());new Thread(()->{run();}).start();});}public AlgoVisualizer(int sceneWidth, int sceneHeight, int N, String centerLael){Circle.showLabel = true;circles = new Circle[N];int R = 50;for(int i = 0; i < N; i++){int x = (int)(Math.random()*(sceneWidth-2*R)) + R;int y = (int)(Math.random()*(sceneHeight-2*R)) + R;int vx = (int)(Math.random()*11) - 5;int vy = (int)(Math.random()*11) - 5;circles[i] = new Circle(x, y, R, vx, vy);circles[i] = new Circle(x, y, R, vx, vy, centerLael.charAt(i) + "");}EventQueue.invokeLater(()->{frame = new AlgoFrame("Welcome-Java", sceneWidth, sceneHeight);frame.addKeyListener(new AlgoKeyListener());frame.addMouseListener(new AlgoMouseListener());new Thread(()->{run();}).start();});}private void run(){while(true){//绘制当前数据frame.render(circles);AlgoVisHelper.pause(20);//更新数据if(isAnmiated){for(Circle circle:circles)circle.move(0, 0, frame.getCanvasWidth(), frame.getCanvasHeight());}}}private class AlgoKeyListener extends KeyAdapter {@Overridepublic void keyReleased(KeyEvent event){if(event.getKeyChar() == ' '){isAnmiated = !isAnmiated;}}}private class AlgoMouseListener extends MouseAdapter{@Overridepublic void mousePressed (MouseEvent event){event.translatePoint(0,
//                    (frame.getBounds().height -frame.getCanvasHeight()));-(frame.getBounds().height -frame.getCanvasHeight()));//            System.out.println(event.getPoint());for(Circle circle:circles){if(circle.contain(event.getPoint())){circle.isFilled = !circle.isFilled;}}}}public static void main(String[] args) {String poemData = "三月七日沙湖道中遇雨。雨具先去，同行皆狼狈，余独不觉。已而遂晴，故作此词 \n" +"莫听穿林打叶声，何妨吟啸且徐行。竹杖芒鞋轻胜马，谁怕？ 一蓑烟雨任平生。\n" +"料峭春风吹酒醒，微冷，山头斜照却相迎。回首向来萧瑟处，归去，也无风雨也无晴。";int sceneWidth = 800;int sceneHeight = 800;int N = 15;//        AlgoVisualizer visualizer = new AlgoVisualizer(sceneWidth, sceneHeight, N);AlgoVisualizer visualizer = new AlgoVisualizer(sceneWidth, sceneHeight, N, poemData);}
}

AlgoFrame.java

import javax.swing.*;
import java.awt.*;public class AlgoFrame extends JFrame {private int canvasWidth;private int canvasHeight;public AlgoFrame(String title, int canvasWidth, int canvasHeight){super(title);this.canvasHeight = canvasHeight;this.canvasWidth = canvasWidth;AlgoCanvas canvas = new AlgoCanvas();setContentPane(canvas);pack();setResizable(false);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setVisible(true);}public AlgoFrame(String title){this(title, 1024, 768);}public int getCanvasWidth(){return  canvasWidth;}public int getCanvasHeight() {return canvasHeight;}private Circle[] circles;public void render(Circle[] circles){this.circles = circles;repaint();}private Object data;public void render(Object data){this.data = data;repaint();}private class AlgoCanvas extends JPanel{public AlgoCanvas(){super(true);}@Overridepublic void paintComponent(Graphics g){super.paintComponent(g);Graphics2D g2d =(Graphics2D)g;RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);g2d.addRenderingHints(hints);AlgoVisHelper.setStrokeWidth(g2d, 1);AlgoVisHelper.setColor(g2d, Color.RED);g2d.setFont( new Font("SimSun", Font.BOLD, 16));for (Circle circle: circles){if(!circle.isFilled){AlgoVisHelper.strokeCircle(g2d, circle.x, circle.y, circle.getR() );}else{AlgoVisHelper.fillCircle(g2d, circle.x, circle.y, circle.getR());}if(Circle.showLabel){
//                    AlgoVisHelper.showPoem(g2d,circle.x, circle.y, circle.centerLabel);AlgoVisHelper.drawText(g2d,circle.centerLabel,circle.x, circle.y);}}}@Overridepublic Dimension getPreferredSize(){
//            System.out.println("Run getPreferredSize()");return new Dimension(canvasWidth, canvasHeight);}}
}

Circle.java

import java.awt.*;public class Circle {public int x, y;private int r;public int vx, vy;public String centerLabel;static public boolean showLabel = false;public boolean isFilled = false;public Circle(int x, int y, int r, int vx, int vy){this.x = x;this.y = y;this.r = r;this.vx = vx;this.vy = vy;}public Circle(int x, int y, int r, int vx, int vy, String centerLabel){this.x = x;this.y = y;this.r = r;this.vx = vx;this.vy = vy;this.centerLabel = centerLabel;}public int getR(){return r;}public void move(int minx, int miny, int maxx, int maxy){x += vx;y += vy;checkCollision(minx, miny, maxx, maxy);}private void checkCollision(int minx, int miny, int maxx, int maxy) {if (x - r < minx) {x = r;vx = -vx;}if (x + r >= maxx) {x = maxx - r;vx = -vx;}if (y - r < miny) {y = r;vy = -vy;}if (y + r >= maxy) {y = maxy - r;vy = -vy;}}public boolean contain(Point p){return (x - p.x) * (x - p.x) + (y - p.y)*(y - p.y) <= r*r;}}

AlgoVisHelper.java

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;public class AlgoVisHelper {private AlgoVisHelper(){}public static void setStrokeWidth(Graphics2D g2d, int w){int strokeWidth = w;g2d.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));}public static void strokeCircle(Graphics2D g2d, int x, int y, int r){Ellipse2D circle = new Ellipse2D.Double(x-r, y-r, 2*r, 2*r);g2d.draw(circle);}public static void fillCircle(Graphics2D g2d, int x, int y, int r){Ellipse2D circle = new Ellipse2D.Double(x-r, y-r, 2*r, 2*r);g2d.fill(circle);}public static void strokeRectangle(Graphics2D g2d, int x, int y, int w, int h){Rectangle2D rectangle = new Rectangle2D.Double(x, y, w, h);g2d.draw(rectangle);}public static void fillRectangle(Graphics2D g2d, int x, int y, int w, int h){Rectangle2D rectangle = new Rectangle2D.Double(x, y, w, h);g2d.fill(rectangle);}public static void putImage(Graphics2D g2d, int x, int y, String imageURL){ImageIcon icon = new ImageIcon(imageURL);Image image = icon.getImage();g2d.drawImage(image, x, y, null);}public  static void drawText(Graphics2D g2d, String text, int centerx, int centery){if(text == null)throw new IllegalArgumentException("Text is null");FontMetrics metrics = g2d.getFontMetrics();int w = metrics.stringWidth(text);int h = metrics.getDescent();g2d.drawString(text, centerx - w/2, centery + h);}public static void showPoem(Graphics2D g2d,  int x, int y, String poem){g2d.drawString(poem,x, y);//        g2d.drawString("醉", x, y);}public static void setColor(Graphics2D g2d, Color color){g2d.setColor(color);}public static void pause(int t){try{Thread.sleep(t);}catch (InterruptedException e){System.out.println("Error in sleepping");}}}

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