// Zorah Fung, CSE 142
// Draws cars of different sizes and positions

// NOTE:
// * First, we added x and y parameters and had to "shift" components of
//      the car to relate to the x and y. Since adding x and y involved
//      translation, we use addition and subtraction.
// * Second, we added a size parameter and scaled the individual components
//      of the car. For scaling, we use multiplication and division.
// * Lastly, we had to scale the shift factors from the first step.

import java.awt.*;

public class Car {
   public static void main(String[] args) {
      DrawingPanel panel = new DrawingPanel(400, 100);
      panel.setBackground(Color.LIGHT_GRAY);
      Graphics brush = panel.getGraphics();
      
      drawCar(brush, 10, 30, 100);
      drawCar(brush, 150, 10, 50);
      drawCar(brush, 280, 20, 80);
   }
   
   // Draws a black car with its top left corner at the given x and y value
   // and a width of the given size
   public static void drawCar(Graphics g, int x, int y, int size) {
      // car body
      g.setColor(Color.BLACK);
      g.fillRect(x, y, size, size / 2);
      
      // wheels
      g.setColor(Color.RED);
      g.fillOval(x + size / 10, y + 2 * size / 5, size / 5, size / 5);
      g.fillOval(x + (7 * size / 10), y + 2 * size / 5, size / 5, size / 5);
      
      // window
      g.setColor(Color.CYAN);
      g.fillRect(x + 7 * size / 10, y + size / 10, 3 * size / 10, size / 5);
   }
}