JAVA - Quadcopter Game 1

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package quadcoptergui;

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

 

public class QuadcopterAnimation extends JPanel implements ActionListener {

 

    private double rotationAngle = 0;

    private final int ROTOR_RADIUS = 30;

    private final int BODY_WIDTH = 100;

    private final int BODY_HEIGHT = 100;

 

    public QuadcopterAnimation() {

        // Timer fires every 20ms (~50 FPS)

        Timer timer = new Timer(20, this);

        timer.start();

    }

 

    @Override

    protected void paintComponent(Graphics g) {

        super.paintComponent(g);

        Graphics2D g2d = (Graphics2D) g;

       

        // Enable Antialiasing for smooth lines

        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

 

        int centerX = getWidth() / 2;

        int centerY = getHeight() / 2;

 

        // 1. Draw Main Body (Rectangle)

        g2d.setColor(Color.ORANGE);

        g2d.fillRect(centerX - BODY_WIDTH / 2, centerY - BODY_HEIGHT / 2, BODY_WIDTH, BODY_HEIGHT);

 

        // 2. Draw 4 Rotors

        drawRotor(g2d, centerX - 50, centerY - 50); // Top Left

        drawRotor(g2d, centerX + 50, centerY - 50); // Top Right

        drawRotor(g2d, centerX - 50, centerY + 50); // Bottom Left

        drawRotor(g2d, centerX + 50, centerY + 50); // Bottom Right

    }

 

    private void drawRotor(Graphics2D g2d, int x, int y) {

        g2d.setColor(Color.BLACK);

        // Draw the outer circle

        g2d.drawOval(x - ROTOR_RADIUS, y - ROTOR_RADIUS, ROTOR_RADIUS * 2, ROTOR_RADIUS * 2);

 

        // Draw 4 Spokes

        for (int i = 0; i < 4; i++) {

            // Space spokes 90 degrees apart (PI/2 radians)

            double currentSpokeAngle = rotationAngle + (i * Math.PI / 2);

           

            int endX = (int) (x + Math.cos(currentSpokeAngle) * ROTOR_RADIUS);

            int endY = (int) (y + Math.sin(currentSpokeAngle) * ROTOR_RADIUS);

           

            g2d.drawLine(x, y, endX, endY);

        }

    }

 

    @Override

    public void actionPerformed(ActionEvent e) {

        // Increase angle for rotation

        rotationAngle += 0.15;

        repaint(); // Redraw the panel

    }

 

    public static void main(String[] args) {

        JFrame frame = new JFrame("Quadcopter GUI Animation");

        QuadcopterAnimation panel = new QuadcopterAnimation();

       

        frame.add(panel);

        frame.setSize(400, 400);

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.setLocationRelativeTo(null);

        frame.setVisible(true);

    }

}