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Merge pull request #95 from journich/main

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Java versions of Kinema,Letter and Literature Quiz
This commit is contained in:
Jeff Atwood
2021-02-26 20:13:12 -08:00
committed by GitHub
parent 88056a5236 98eaa2ff45
commit 5475cbe795
6 changed files with 517 additions and 0 deletions
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176
52 Kinema/java/src/Kinema.java Normal file
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import java.util.Arrays;
import java.util.Scanner;
/**
* Game of Kinema
* <p>
* Based on the Basic game of Kinema here
* https://github.com/coding-horror/basic-computer-games/blob/main/52%20Kinema/kinema.bas
* <p>
* Note: The idea was to create a version of the 1970's Basic game in Java, without introducing
* new features - no additional text, error checking, etc has been added.
*/
public class Kinema {
// Used for keyboard input
private final Scanner kbScanner;
private enum GAME_STATE {
STARTUP,
INIT,
HOW_HIGH,
SECONDS_TILL_IT_RETURNS,
ITS_VELOCITY,
RESULTS,
GAME_OVER
}
// Current game state
private GAME_STATE gameState;
private int numberAnswersCorrect;
// How many meters per second a ball is thrown
private int velocity;
public Kinema() {
kbScanner = new Scanner(System.in);
gameState = GAME_STATE.STARTUP;
}
/**
* Main game loop
*/
public void play() {
double playerAnswer;
double correctAnswer;
do {
switch (gameState) {
case STARTUP:
intro();
gameState = GAME_STATE.INIT;
break;
case INIT:
numberAnswersCorrect = 0;
// calculate a random velocity for the player to use in the calculations
velocity = 5 + (int) (35 * Math.random());
System.out.println("A BALL IS THROWN UPWARDS AT " + velocity + " METERS PER SECOND.");
gameState = GAME_STATE.HOW_HIGH;
break;
case HOW_HIGH:
playerAnswer = displayTextAndGetNumber("HOW HIGH WILL IT GO (IN METERS)? ");
// Calculate the correct answer to how high it will go
correctAnswer = 0.05 * Math.pow(velocity, 2);
if (calculate(playerAnswer, correctAnswer)) {
numberAnswersCorrect++;
}
gameState = GAME_STATE.ITS_VELOCITY;
break;
case ITS_VELOCITY:
playerAnswer = displayTextAndGetNumber("HOW LONG UNTIL IT RETURNS (IN SECONDS)? ");
// Calculate current Answer for how long until it returns to the ground in seconds
correctAnswer = (double) velocity / 5;
if (calculate(playerAnswer, correctAnswer)) {
numberAnswersCorrect++;
}
gameState = GAME_STATE.SECONDS_TILL_IT_RETURNS;
break;
case SECONDS_TILL_IT_RETURNS:
// Calculate random number of seconds for 3rd question
double seconds = 1 + (Math.random() * (2 * velocity)) / 10;
// Round to one decimal place.
double scale = Math.pow(10, 1);
seconds = Math.round(seconds * scale) / scale;
playerAnswer = displayTextAndGetNumber("WHAT WILL ITS VELOCITY BE AFTER " + seconds + " SECONDS? ");
// Calculate the velocity after the given number of seconds
correctAnswer = velocity - (10 * seconds);
if (calculate(playerAnswer, correctAnswer)) {
numberAnswersCorrect++;
}
gameState = GAME_STATE.RESULTS;
break;
case RESULTS:
System.out.println(numberAnswersCorrect + " RIGHT OUT OF 3");
if (numberAnswersCorrect > 1) {
System.out.println(" NOT BAD.");
}
gameState = GAME_STATE.STARTUP;
break;
}
} while (gameState != GAME_STATE.GAME_OVER);
}
private void intro() {
System.out.println(simulateTabs(33) + "KINEMA");
System.out.println(simulateTabs(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
System.out.println();
}
private boolean calculate(double playerAnswer, double correctAnswer) {
boolean gotItRight = false;
if (Math.abs((playerAnswer - correctAnswer) / correctAnswer) < 0.15) {
System.out.println("CLOSE ENOUGH");
gotItRight = true;
} else {
System.out.println("NOT EVEN CLOSE");
}
System.out.println("CORRECT ANSWER IS " + correctAnswer);
System.out.println();
return gotItRight;
}
/*
* Print a message on the screen, then accept input from Keyboard.
* Converts input to a Double
*
* @param text message to be displayed on screen.
* @return what was typed by the player.
*/
private double displayTextAndGetNumber(String text) {
return Double.parseDouble(displayTextAndGetInput(text));
}
/*
* Print a message on the screen, then accept input from Keyboard.
*
* @param text message to be displayed on screen.
* @return what was typed by the player.
*/
private String displayTextAndGetInput(String text) {
System.out.print(text);
return kbScanner.next();
}
/**
* Simulate the old basic tab(xx) command which indented text by xx spaces.
*
* @param spaces number of spaces required
* @return String with number of spaces
*/
private String simulateTabs(int spaces) {
char[] spacesTemp = new char[spaces];
Arrays.fill(spacesTemp, ' ');
return new String(spacesTemp);
}
}

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52 Kinema/java/src/KinemaGame.java Normal file
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public class KinemaGame {
public static void main(String[] args) {
Kinema kinema = new Kinema();
kinema.play();
}
}

142
54 Letter/java/src/Letter.java Normal file
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import java.awt.*;
import java.util.Arrays;
import java.util.Scanner;
/**
* Game of Letter
* <p>
* Based on the Basic game of Letter here
* https://github.com/coding-horror/basic-computer-games/blob/main/54%20Letter/letter.bas
* <p>
* Note: The idea was to create a version of the 1970's Basic game in Java, without introducing
* new features - no additional text, error checking, etc has been added.
*/
public class Letter {
public static final int OPTIMAL_GUESSES = 5;
public static final int ASCII_A = 65;
public static final int ALL_LETTERS = 26;
private enum GAME_STATE {
STARTUP,
INIT,
GUESSING,
RESULTS,
GAME_OVER
}
// Used for keyboard input
private final Scanner kbScanner;
// Current game state
private GAME_STATE gameState;
// Players guess count;
private int playerGuesses;
// Computers ascii code for a random letter between A..Z
private int computersLetter;
public Letter() {
gameState = GAME_STATE.STARTUP;
// Initialise kb scanner
kbScanner = new Scanner(System.in);
}
/**
* Main game loop
*/
public void play() {
do {
switch (gameState) {
// Show an introduction the first time the game is played.
case STARTUP:
intro();
gameState = GAME_STATE.INIT;
break;
case INIT:
playerGuesses = 0;
computersLetter = ASCII_A + (int) (Math.random() * ALL_LETTERS);
System.out.println("O.K., I HAVE A LETTER. START GUESSING.");
gameState = GAME_STATE.GUESSING;
break;
// Player guesses the number until they get it or run out of guesses
case GUESSING:
String playerGuess = displayTextAndGetInput("WHAT IS YOUR GUESS? ").toUpperCase();
// Convert first character of input string to ascii
int toAscii = playerGuess.charAt(0);
playerGuesses++;
if (toAscii == computersLetter) {
gameState = GAME_STATE.RESULTS;
break;
}
if (toAscii > computersLetter) {
System.out.println("TOO HIGH. TRY A LOWER LETTER.");
} else {
System.out.println("TOO LOW. TRY A HIGHER LETTER.");
}
break;
// Play again, or exit game?
case RESULTS:
System.out.println();
System.out.println("YOU GOT IT IN " + playerGuesses + " GUESSES!!");
if (playerGuesses <= OPTIMAL_GUESSES) {
System.out.println("GOOD JOB !!!!!");
// Original game beeped 15 tims if you guessed in the optimal guesses or less
// Changed this to do a single beep only
Toolkit.getDefaultToolkit().beep();
} else {
// Took more than optimal number of guesses
System.out.println("BUT IT SHOULDN'T TAKE MORE THAN " + OPTIMAL_GUESSES + " GUESSES!");
}
System.out.println();
System.out.println("LET'S PLAN AGAIN.....");
gameState = GAME_STATE.INIT;
break;
}
} while (gameState != GAME_STATE.GAME_OVER);
}
public void intro() {
System.out.println(simulateTabs(33) + "LETTER");
System.out.println(simulateTabs(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
System.out.println();
System.out.println("LETTER GUESSING GAME");
System.out.println();
System.out.println("I'LL THINK OF A LETTER OF THE ALPHABET, A TO Z.");
System.out.println("TRY TO GUESS MY LETTER AND I'LL GIVE YOU CLUES");
System.out.println("AS TO HOW CLOSE YOU'RE GETTING TO MY LETTER.");
}
/**
* Simulate the old basic tab(xx) command which indented text by xx spaces.
*
* @param spaces number of spaces required
* @return String with number of spaces
*/
private String simulateTabs(int spaces) {
char[] spacesTemp = new char[spaces];
Arrays.fill(spacesTemp, ' ');
return new String(spacesTemp);
}
/*
* Print a message on the screen, then accept input from Keyboard.
*
* @param text message to be displayed on screen.
* @return what was typed by the player.
*/
private String displayTextAndGetInput(String text) {
System.out.print(text);
return kbScanner.next();
}
}

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54 Letter/java/src/LetterGame.java Normal file
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public class LetterGame {
public static void main(String[] args) {
Letter letter = new Letter();
letter.play();
}
}

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57 Literature Quiz/java/src/LiteratureQuiz.java Normal file
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import java.util.Arrays;
import java.util.Scanner;
/**
* Game of Literature Quiz
* <p>
* Based on the Basic game of Literature Quiz here
* https://github.com/coding-horror/basic-computer-games/blob/main/57%20Literature%20Quiz/litquiz.bas
* <p>
* Note: The idea was to create a version of the 1970's Basic game in Java, without introducing
* new features - no additional text, error checking, etc has been added.
*/
public class LiteratureQuiz {
// Used for keyboard input
private final Scanner kbScanner;
private enum GAME_STATE {
STARTUP,
QUESTIONS,
RESULTS,
GAME_OVER
}
// Current game state
private GAME_STATE gameState;
// Players correct answers
private int correctAnswers;
public LiteratureQuiz() {
gameState = GAME_STATE.STARTUP;
// Initialise kb scanner
kbScanner = new Scanner(System.in);
}
/**
* Main game loop
*/
public void play() {
do {
switch (gameState) {
// Show an introduction the first time the game is played.
case STARTUP:
intro();
correctAnswers = 0;
gameState = GAME_STATE.QUESTIONS;
break;
// Ask the player four questions
case QUESTIONS:
// Question 1
System.out.println("IN PINOCCHIO, WHAT WAS THE NAME OF THE CAT");
int question1Answer = displayTextAndGetNumber("1)TIGGER, 2)CICERO, 3)FIGARO, 4)GUIPETTO ? ");
if (question1Answer == 3) {
System.out.println("VERY GOOD! HERE'S ANOTHER.");
correctAnswers++;
} else {
System.out.println("SORRY...FIGARO WAS HIS NAME.");
}
System.out.println();
// Question 2
System.out.println("FROM WHOSE GARDEN DID BUGS BUNNY STEAL THE CARROTS?");
int question2Answer = displayTextAndGetNumber("1)MR. NIXON'S, 2)ELMER FUDD'S, 3)CLEM JUDD'S, 4)STROMBOLI'S ? ");
if (question2Answer == 2) {
System.out.println("PRETTY GOOD!");
correctAnswers++;
} else {
System.out.println("TOO BAD...IT WAS ELMER FUDD'S GARDEN.");
}
System.out.println();
// Question 3
System.out.println("IN THE WIZARD OF OS, DOROTHY'S DOG WAS NAMED");
int question3Answer = displayTextAndGetNumber("1)CICERO, 2)TRIXIA, 3)KING, 4)TOTO ? ");
if (question3Answer == 4) {
System.out.println("YEA! YOU'RE A REAL LITERATURE GIANT.");
correctAnswers++;
} else {
System.out.println("BACK TO THE BOOKS,...TOTO WAS HIS NAME.");
}
System.out.println();
// Question 4
System.out.println("WHO WAS THE FAIR MAIDEN WHO ATE THE POISON APPLE");
int question4Answer = displayTextAndGetNumber("1)SLEEPING BEAUTY, 2)CINDERELLA, 3)SNOW WHITE, 4)WENDY ? ");
if (question4Answer == 3) {
System.out.println("GOOD MEMORY!");
correctAnswers++;
} else {
System.out.println("OH, COME ON NOW...IT WAS SNOW WHITE.");
}
System.out.println();
gameState = GAME_STATE.RESULTS;
break;
// How did the player do?
case RESULTS:
if (correctAnswers == 4) {
// All correct
System.out.println("WOW! THAT'S SUPER! YOU REALLY KNOW YOUR NURSERY");
System.out.println("YOUR NEXT QUIZ WILL BE ON 2ND CENTURY CHINESE");
System.out.println("LITERATURE (HA, HA, HA)");
// one or none correct
} else if (correctAnswers < 2) {
System.out.println("UGH. THAT WAS DEFINITELY NOT TOO SWIFT. BACK TO");
System.out.println("NURSERY SCHOOL FOR YOU, MY FRIEND.");
// two or three correct
} else {
System.out.println("NOT BAD, BUT YOU MIGHT SPEND A LITTLE MORE TIME");
System.out.println("READING THE NURSERY GREATS.");
}
gameState = GAME_STATE.GAME_OVER;
break;
}
} while (gameState != GAME_STATE.GAME_OVER);
}
public void intro() {
System.out.println(simulateTabs(25) + "LITERATURE QUIZ");
System.out.println(simulateTabs(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
System.out.println();
System.out.println("LITERATURE QUIZ");
System.out.println("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
System.out.println();
System.out.println("TEST YOUR KNOWLEDGE OF CHILDREN'S LITERATURE.");
System.out.println("THIS IS A MULTIPLE-CHOICE QUIZ.");
System.out.println("TYPE A 1, 2, 3, OR 4 AFTER THE QUESTION MARK.");
System.out.println();
System.out.println("GOOD LUCK!");
System.out.println();
}
/**
* Simulate the old basic tab(xx) command which indented text by xx spaces.
*
* @param spaces number of spaces required
* @return String with number of spaces
*/
private String simulateTabs(int spaces) {
char[] spacesTemp = new char[spaces];
Arrays.fill(spacesTemp, ' ');
return new String(spacesTemp);
}
/*
* Print a message on the screen, then accept input from Keyboard.
* Converts input to an Integer
*
* @param text message to be displayed on screen.
* @return what was typed by the player.
*/
private int displayTextAndGetNumber(String text) {
return Integer.parseInt(displayTextAndGetInput(text));
}
/*
* Print a message on the screen, then accept input from Keyboard.
*
* @param text message to be displayed on screen.
* @return what was typed by the player.
*/
private String displayTextAndGetInput(String text) {
System.out.print(text);
return kbScanner.next();
}
}

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57 Literature Quiz/java/src/LiteratureQuizGame.java Normal file
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public class LiteratureQuizGame {
public static void main(String[] args) {
LiteratureQuiz literatureQuiz = new LiteratureQuiz();
literatureQuiz.play();
}
}