// CSE 142 Lecture 6
// More Parameters, Graphics

import java.awt.*; // (to use Graphics and Color)

// Draws a bunch of boxy looking cars
// Demonstrates the process we went through of adding
// a single parameter at a time when parameterizing
// the drawCar method.
public class DrawCar {
	public static void main(String[] args) {
		DrawingPanel panel = new DrawingPanel(260, 160);
		panel.setBackground(Color.LIGHT_GRAY);
		Graphics g = panel.getGraphics();
		
		drawCar(g, 10, 30, 100);
		drawCar(g, 150, 20, 50);
		
		// Bumper to bumper cars
		for (int i = 0; i < 10; i++) {
			drawCar(g, i * 35 + 10, 120, 30);
		}
	}
	
	// Draws a single car at (10, 30) that is 100 pixels wide
	public static void drawCarStatic(Graphics g) {
		// body
		// This was the ugly green color we picked for the car's body
		Color c = new Color(20, 210, 100);
		g.setColor(c);
		g.fillRect(10, 30, 100, 50);
		
		// wheels
		g.setColor(Color.RED);
		g.fillOval(20, 70, 20, 20);
		g.fillOval(80, 70, 20, 20);
		
		// windshield
		g.setColor(Color.CYAN);
		g.fillRect(80, 40, 30, 20);
	}
	
	// Draws a single car at (x, y) that is 100 pixels wide
	public static void drawCarTranslate(Graphics g, int x, int y) {
		// body
		// This was the ugly green color we picked for the car's body
		Color c = new Color(20, 210, 100);
		g.setColor(c);
		g.fillRect(x, y, 100, 50);
		
		// wheels
		g.setColor(Color.RED);
		g.fillOval(x + 10, y + 40, 20, 20);
		g.fillOval(x + 70, y + 40, 20, 20);
		
		// windshield
		g.setColor(Color.CYAN);
		g.fillRect(x + 70, y + 10, 30, 20);
	}
	
	// Draws a single car at (x, y) that is size pixels wide
	public static void drawCar(Graphics g, int x, int y, int size) {
		// body
		// This was the ugly green color we picked for the car's body
		Color c = new Color(20, 210, 100);
		g.setColor(c);
		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);
		
		// windshield
		g.setColor(Color.CYAN);
		g.fillRect(x + 7 * size / 10, y + size / 10, 3 * size / 10, size / 5);
	}
}