Prize

package com.vladislav;

// Import libraries for create UI and event
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

// Class for prize
public class Prize {
    // Texture, coordinates, activity and timer
    private Image image;
    public int x, y;
    public boolean activity;
    private Timer timer;

    // In constructor load image and initialize all param
    public Prize(Image image) {
        // For 0.5 seconds move prize to down
        timer = new Timer(500, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                down();
            }
        });

        // Load image and initialize activity
        this.image = image;
        activity = false;
    }

    // If start - move object in start for random x.  (If)
    public void start() {
        timer.start();
        y = 0; x = (int)(Math.random() * 700);
        activity = true;
    }

    // For moving
    public void down() {
        if (activity == true)
            y += 6;

        // If go to limit edge
        if (y + image.getHeight(null) >= 470)
            timer.stop();
    }

    public void draw(Graphics graph) {
        if (activity == true)
            graph.drawImage(image, x, y, null);
    }
}