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lynnlangitlynnlangit
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wrote more Katas w/ @mballin
ReverseHiLow, PyramidsOfGiza and Snowflake possible answers
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‎src/main/java/org/teachingkidsprogramming/recipes/completed/section02methods/KataQuestions/PyramidsOfGiza_ANSWER_v2.java‎

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package org.teachingkidsprogramming.recipes.completed.section02methods.KataQuestions;
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import org.teachingextensions.logo.Tortoise;
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import org.teachingextensions.logo.utils.ColorUtils.PenColors;
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public class PyramidsOfGiza_ANSWER_v2
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{
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public static void main(String[] args) throws Exception
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{
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setUpPyramidLand();
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drawPyramids(3);
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}
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private static void drawPyramids(int numberOfPyramids)
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{
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for (int i = 0; i < numberOfPyramids; i++)
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{
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drawPyramid();
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positionNextPyramid(90, 140, -45);
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}
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}
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private static void positionNextPyramid(int angleToTurn, int lengthToMove, int angleToTurnTwo)
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{
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Tortoise.turn(angleToTurn);
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Tortoise.move(lengthToMove);
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Tortoise.turn(angleToTurnTwo);
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}
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private static void drawPyramid()
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{
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drawPyramidSide(100, 90);
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drawPyramidSide(100, 135);
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drawPyramidSide(140, 90);
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}
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private static void drawPyramidSide(int move, int turn)
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{
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Tortoise.move(move);
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Tortoise.turn(turn);
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}
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private static void setUpPyramidLand()
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{
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Tortoise.show();
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Tortoise.setSpeed(10);
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Tortoise.getBackgroundWindow().setBackground(PenColors.Blues.AliceBlue);
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Tortoise.setPenColor(PenColors.Yellows.DarkGoldenrod);
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Tortoise.setPenWidth(2);
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Tortoise.hide();
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Tortoise.setX(500);
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Tortoise.turn(-90);
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Tortoise.move(423);
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Tortoise.turn(135);
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}
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}

‎src/main/java/org/teachingkidsprogramming/recipes/completed/section03ifs/KataQuestions/ReverseHiLow_Answer.java‎

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package org.teachingkidsprogramming.recipes.completed.section03ifs.KataQuestions;
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import org.teachingextensions.logo.utils.EventUtils.MessageBox;
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//Your user knows the answer, the computer gets 8 guesses to determine the answer
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//You tell the computer whether its guess is too high or too low
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//Write each of the English line comments (use at least 8 line comments)
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//Number each comment line at the end
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//Verify - step one - Translate EACH comment line into code
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//Verify - step two - Run your code after each line
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public class ReverseHiLow_Answer
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{
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public static void main(String[] args)
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{
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MessageBox
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.showMessage("Hello, actual human! Think of a number between 1 and 100, and I will attempt to guess it.");
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MessageBox.showMessage("Click OK when you have one in mind.");
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int attemptNumber = 1;
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int currentGuess = 50;
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int highestPossible = 100;
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int lowestPossible = 1;
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while (attemptNumber < 8)
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{
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MessageBox.showMessage("Beginning attempt number " + attemptNumber);
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String feedback = MessageBox.askForTextInput("Is " + currentGuess
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+ " the correct number? Write 'yes' if it is, if not write 'too high' or 'too low'.");
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if (feedback.equals("yes"))
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{
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MessageBox.showMessage("Got it on attempt number " + attemptNumber + "! Darn, I'm good. See ya!");
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System.exit(0);
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}
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else
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{
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if (feedback.equalsIgnoreCase("too high"))
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{
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highestPossible = currentGuess;
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currentGuess = currentGuess - ((currentGuess - lowestPossible) / 2);
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}
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else if (feedback.equalsIgnoreCase("too low"))
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{
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lowestPossible = currentGuess;
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currentGuess = currentGuess + ((highestPossible - currentGuess) / 2);
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}
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attemptNumber++;
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}
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}
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// Variable: currentGuess
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// Computer guesses currentGuess, asks if too high or too low
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// User inputs
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// If right, computer congratulates itself and ends
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// If wrong, computer takes feedback and adjusts currentGuess accordingly
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}
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}

src/main/java/org/teachingkidsprogramming/section05recursion/KataQuestions/CompleteSnowflake.java renamed to src/main/java/org/teachingkidsprogramming/recipes/completed/section05recursion/KataQuestions/CompleteSnowflake.java

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package org.teachingkidsprogramming.section05recursion.KataQuestions;
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package org.teachingkidsprogramming.recipes.completed.section05recursion.KataQuestions;
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//------------Snowflake Kata---------------//
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// Use the Tortoise to draw a snowflake using triangles

src/main/java/org/teachingkidsprogramming/section05recursion/KataQuestions/CompleteSnowflakeAnswer.java renamed to src/main/java/org/teachingkidsprogramming/recipes/completed/section05recursion/KataQuestions/CompleteSnowflakeAnswer.java

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package org.teachingkidsprogramming.section05recursion.KataQuestions;
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package org.teachingkidsprogramming.recipes.completed.section05recursion.KataQuestions;
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import org.teachingextensions.logo.Tortoise;
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import org.teachingextensions.logo.utils.ColorUtils.PenColors;

‎src/main/java/org/teachingkidsprogramming/recipes/completed/section05recursion/KataQuestions/CompleteSnowflakeAnswer2.java‎

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package org.teachingkidsprogramming.recipes.completed.section05recursion.KataQuestions;
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import org.teachingextensions.logo.Tortoise;
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public class CompleteSnowflakeAnswer2
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{
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//TODO: write comments and then code here
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public static void main(String[] args)
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{
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setUpTortoise();
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//have fun with the level
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int currentLevel = 9;
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drawTriangle(currentLevel);
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}
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private static void drawTriangle(int currentLevel)
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{
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drawTriangleCorner(currentLevel);
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if (currentLevel > 1)
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{
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Tortoise.turn(180);
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drawTriangle(currentLevel - 1);
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Tortoise.turn(180);
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}
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drawTriangleCorner(currentLevel);
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if (currentLevel > 1)
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{
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Tortoise.turn(180);
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drawTriangle(currentLevel - 1);
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Tortoise.turn(180);
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}
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drawTriangleCorner(currentLevel);
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if (currentLevel > 1)
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{
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Tortoise.turn(180);
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drawTriangle(currentLevel - 1);
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Tortoise.turn(180);
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}
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}
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private static void drawTriangleCorner(int currentLevel)
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{
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Tortoise.move(10 * currentLevel);
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Tortoise.turn(120);
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Tortoise.move(10 * currentLevel);
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}
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private static void setUpTortoise()
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{
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Tortoise.show();
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Tortoise.setSpeed(10);
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Tortoise.turn(-90);
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}
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}

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