ATest.java

import java.awt.Color;
import java.util.Scanner;
public class ATest{
    private static final int WORLD_WIDTH = 800;
    private static final int WORLD_HEIGHT = 650;
    private static World w;
    private static Turtle t;
    private static Scanner in = new Scanner(System.in);

    private static boolean bold = false;
    private static int size = 1;
    private static int level = 1;

    public static void main(String[] args) {
        newWorld();
        for (int letter = 1;  letter <= 4;){

            Color c = new Color((float)Math.random(), (float)Math.random(),(float) Math.random());
            System.out.println("" + c + " " + bold + " " + size);
            lineWrap(size);
            switch(letter){
                case 1:
                    drawLetter1(c, bold, size);
                    break;
                case 2:
                    drawLetter2(c, bold, size);
                    break;
                case 3:
                    drawLetter3(c, bold, size);
                    break;
                case 4:
                    drawLetter4(c, bold, size);
                    break;
                default:
                    System.out.println("" + letter + " not recognized!");
            }

            System.out.println("Enter 'f', 'r', 'c', 'b', 's', 'l' or nothing to continue: ");
            String choice = in.nextLine().toLowerCase(); // Wait for user to press enter
            if (choice.length() > 0){
                for(char option: choice.toCharArray()){
                    switch(option){
                        case 'f':
                            letter = wrap(letter+1, 1, 4);
                            break;
                        case 'l':
                            level = wrap(level+1, 1, 3);
                            break;
                        case 'b':
                            bold = !bold;
                            break;
                        case 's':
                            size = wrap(size+1, 1, 3);
                            break;
                        case 'c':
                            newWorld();
                            break;
                        case 'r':
                            letter = (int) (Math.random()*4) + 1;
                            bold = Math.random() < .5;
                            size = (int) (Math.random() * 3) + 1;
                            break;
                    }
                }
            }

        }
        
        System.out.println("All done!");
    }

    private static int wrap(int num, int min, int max){
        int delta = max-min + 1;
        num = (num-min) % delta;
        return num + min;
    }

    private static void lineWrap(int size){
        int width = size * 80;

        int xPos = t.getXPos();
        int yPos = t.getYPos();

        if (xPos + width > w.getWidth()){

            if (yPos + 300 > w.getHeight()){
                newWorld();
            }else{
                t.penUp();
                t.moveTo(10, yPos + 310);
            }
        }
    }

    private static void newWorld(){
        w = new World(WORLD_WIDTH, WORLD_HEIGHT);
        t = new Turtle(10, 300, w);
    }

    private static void moveToRandomSpot(){
        t.penUp();

        int x = (int) (Math.random() * (w.getWidth() - 300)) + 10;
        int y = (int) (Math.random() * (w.getHeight()-300));

        t.moveTo(x, y);
    }

    private static void drawLetter1(Color c, boolean bold, int size){
        switch(level){
            case 1:
                t.draw1(c);
                break;
            case 2:
                t.draw1Bold(c, bold);
                break;
            case 3:
                t.draw1BoldSize(c, bold, size);
                break;
            default:
                System.err.println("Level " + level + " not recognized!");
        }
    }

    private static void drawLetter2(Color c, boolean bold, int size){
        switch(level){
            case 1:
                t.draw2(c);
                break;
            case 2:
                t.draw2Bold(c, bold);
                break;
            case 3:
                t.draw2BoldSize(c, bold, size);
                break;
            default:
                System.err.println("Level " + level + " not recognized!");
        }
    }

    private static void drawLetter3(Color c, boolean bold, int size){
        switch(level){
            case 1:
                t.draw3(c);
                break;
            case 2:
                t.draw3Bold(c, bold);
                break;
            case 3:
                t.draw3BoldSize(c, bold, size);
                break;
            default:
                System.err.println("Level " + level + " not recognized!");
        }
    }

    private static void drawLetter4(Color c, boolean bold, int size){
        switch(level){
            case 1:
                t.draw4(c);
                break;
            case 2:
                t.draw4Bold(c, bold);
                break;
            case 3:
                t.draw4BoldSize(c, bold, size);
                break;
            default:
                System.err.println("Level " + level + " not recognized!");
        }
    }   
}