CS106A Section Assignment 2.2

Robot Face

import acm.graphics.*;
import acm.program.*;
import java.awt.*;

public class robotFace extends GraphicsProgram {
	
	private static final double HEAD_WIDTH = 200;
	private static final double HEAD_HEIGHT = 350;
	private static final double EYE_RADIUS = 30;
	private static final double MOUTH_WIDTH = 110;
	private static final double MOUTH_HEIGHT = 20;
	
	public void run() {
		// sets x so that head is in centre with respect to x-coordinates
		x = getWidth() / 2 - HEAD_WIDTH / 2;
		// sets y so that head is in centre with respect to y-coordinates
		y = getHeight() / 2 - HEAD_HEIGHT / 2;
		robotHead();
	}
	
	// creates and adds a robot head with origin (x,y)
	private void robotHead() {
		add(head());
		eyes();
		add(mouth());
	}
	
	// creates the robot head at coordinates (x,y)
	private GRect head() {
		GRect head = new GRect (x, y, HEAD_WIDTH, HEAD_HEIGHT);
		head.setFilled(true);
		head.setFillColor(Color.gray);
		return head;	
	}
	
	/* draws AND adds BOTH eyes to the head according to assignment specifications
	 * eyes anchored to x and y coordinates
	 */
	private void eyes() {
		GOval leftEye = new GOval(x + (HEAD_WIDTH / 4) - EYE_RADIUS, y + (HEAD_HEIGHT / 4) - EYE_RADIUS, eyeDiameter, eyeDiameter);
		leftEye.setFilled(true);
		leftEye.setFillColor(Color.yellow);
		add(leftEye);
		GOval rightEye = new GOval(x + HEAD_WIDTH - (HEAD_WIDTH / 4) - EYE_RADIUS, y + (HEAD_HEIGHT / 4) - EYE_RADIUS, eyeDiameter, eyeDiameter);
		rightEye.setFilled(true);
		rightEye.setFillColor(Color.yellow);
		add(rightEye);
	}
	
	/* draws the robot mouth according to assignment specifications
	 * mouth anchored to x and y coordinates
	 */
	private GRect mouth() {
		GRect mouth = new GRect (x + (HEAD_WIDTH/2) - (MOUTH_WIDTH/2), (y + HEAD_HEIGHT - (HEAD_HEIGHT/4) - (MOUTH_HEIGHT/2)), MOUTH_WIDTH, MOUTH_HEIGHT);
		mouth.setFilled(true);
		mouth.setFillColor(Color.white);
		return mouth;
	}
	
	// x and y specify origin of top left corner of robot face
	double x = 0;
	double y = 0;
	double eyeDiameter = EYE_RADIUS*2;
}