// CSE 142, Winter 2007
// Author: Marty Stepp
//
// This program animates a car driving across the panel.

import java.awt.*;

public class DrawMovingCar_SectionA {
    public static void main(String[] args) {
        DrawingPanel panel = new DrawingPanel(300, 200);
        panel.setBackground(Color.LIGHT_GRAY);
        Graphics g = panel.getGraphics();

        for (int i = 0; i < 50; i++) {
            drawCar(g, i * 10, 10, 50);
            drawCar(g, i * 9, 100, 50);
            
            // pause the screen, to produce animation
            panel.sleep(100);

            // clear the window before redrawing the car
            g.setColor(Color.LIGHT_GRAY);
            g.fillRect(0, 0, 300, 200);
            
            
        }
    }

    // Draws a car figure at the given position and size.
    public static void drawCar(Graphics g, int x, int y, int size) {
        g.setColor(Color.BLACK);
        g.fillRect(x, y, size, size / 2);
        
        // wheels
        g.setColor(Color.RED);
        g.fillOval(x + size / 10,     y + size * 4 / 10, size / 5, size / 5);
        g.fillOval(x + size * 7 / 10, y + size * 4 / 10, size / 5, size / 5);
        
        // windshield
        g.setColor(Color.CYAN);
        g.fillRect(x + size * 7 / 10, y + size / 10, size * 3 / 10, size / 5);
    }
}