rearranged the dir for github

- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes

1 files changed, 0 insertions, 137 deletions

diff --git a/projects/11/Pong/PongGame.jack b/projects/11/Pong/PongGame.jack
deleted file mode 100644
index 7e1ae4c..0000000
--- a/projects/11/Pong/PongGame.jack
+++ /dev/null
@@ -1,137 +0,0 @@
-// This file is part of www.nand2tetris.org

-// and the book "The Elements of Computing Systems"

-// by Nisan and Schocken, MIT Press.

-// File name: projects/11/Pong/PongGame.jack

-

-/**

- * Represents a Pong game.

- */

-class PongGame {

-

-    static PongGame instance; // the singelton, a Pong game instance     

-    field Bat bat;            // the bat

-    field Ball ball;          // the ball

-    field int wall;           // the current wall that the ball is bouncing off of.

-    field boolean exit;       // true when the game is over

-    field int score;          // the current score.

-    field int lastWall;       // the last wall that the ball bounced off of.

-

-    // The current width of the bat

-    field int batWidth;

-

-    /** Constructs a new Pong game. */

-    constructor PongGame new() {

-	    do Screen.clearScreen();

-        let batWidth = 50;  // initial bat size

-        let bat = Bat.new(230, 229, batWidth, 7);

-        let ball = Ball.new(253, 222, 0, 511, 0, 229);

-        do ball.setDestination(400,0);

-        do Screen.drawRectangle(0, 238, 511, 240);

-	    do Output.moveCursor(22,0);

-	    do Output.printString("Score: 0");

-	

-	    let exit = false;

-	    let score = 0;

-	    let wall = 0;

-	    let lastWall = 0;

-

-        return this;

-    }

-

-    /** Deallocates the object's memory. */

-    method void dispose() {

-        do bat.dispose();

-	    do ball.dispose();

-        do Memory.deAlloc(this);

-        return;

-    }

-

-    /** Creates an instance of Pong game, and stores it. */

-    function void newInstance() {

-        let instance = PongGame.new();

-        return;

-    }

-    

-    /** Returns the single instance of this Pong game. */

-    function PongGame getInstance() {

-        return instance;

-    }

-

-    /** Starts the game, and andles inputs from the user that control

-     *  the bat's movement direction. */

-    method void run() {

-        var char key;

-

-        while (~exit) {

-            // waits for a key to be pressed.

-            while ((key = 0) & (~exit)) {

-                let key = Keyboard.keyPressed();

-                do bat.move();

-                do moveBall();

-                do Sys.wait(50);

-            }

-

-            if (key = 130) { do bat.setDirection(1); }

-	        else {

-	            if (key = 132) { do bat.setDirection(2); }

-		        else {

-                    if (key = 140) { let exit = true; }

-		        }

-            }

-

-            // Waits for the key to be released.

-            while ((~(key = 0)) & (~exit)) {

-                let key = Keyboard.keyPressed();

-                do bat.move();

-                do moveBall();

-                do Sys.wait(50);

-            }

-        }

-

-	    if (exit) {

-            do Output.moveCursor(10,27);

-	        do Output.printString("Game Over");

-	    }

-            

-        return;

-    }

-

-    /**

-     * Handles ball movement, including bouncing.

-     * If the ball bounces off a wall, finds its new direction.

-     * If the ball bounces off the bat, increases the score by one

-     * and shrinks the bat's size, to make the game more challenging. 

-     */

-    method void moveBall() {

-        var int bouncingDirection, batLeft, batRight, ballLeft, ballRight;

-

-        let wall = ball.move();

-

-        if ((wall > 0) & (~(wall = lastWall))) {

-            let lastWall = wall;

-            let bouncingDirection = 0;

-            let batLeft = bat.getLeft();

-            let batRight = bat.getRight();

-            let ballLeft = ball.getLeft();

-            let ballRight = ball.getRight();

-  

-            if (wall = 4) {

-                let exit = (batLeft > ballRight) | (batRight < ballLeft);

-                if (~exit) {

-                    if (ballRight < (batLeft + 10)) { let bouncingDirection = -1; }

-                    else {

-                        if (ballLeft > (batRight - 10)) { let bouncingDirection = 1; }

-                    }

-

-                    let batWidth = batWidth - 2;

-                    do bat.setWidth(batWidth);      

-                    let score = score + 1;

-                    do Output.moveCursor(22,7);

-                    do Output.printInt(score);

-                }

-            }

-            do ball.bounce(bouncingDirection);

-        }

-        return;

-    }

-}
\ No newline at end of file