diff options
| author | Yuchen Pei <me@ypei.me> | 2018-01-20 15:41:49 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2018-01-20 15:41:49 +0100 |
| commit | d3a0cc3a8ba6dfeb64d3faeffdeb6845b60e5840 (patch) | |
| tree | d58df9ec2480e2a9ec6240f9c797f83d1a0b1056 /projects/11/Pong | |
| parent | 3571f998b28fbc8d9250ba04c983935f10a16c15 (diff) | |
rearranged the dir for github
- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes
Diffstat (limited to 'projects/11/Pong')
| -rw-r--r-- | projects/11/Pong/Ball.jack | 203 | ||||
| -rw-r--r-- | projects/11/Pong/Ball.vm | 427 | ||||
| -rw-r--r-- | projects/11/Pong/Bat.jack | 103 | ||||
| -rw-r--r-- | projects/11/Pong/Bat.vm | 204 | ||||
| -rw-r--r-- | projects/11/Pong/Main.jack | 20 | ||||
| -rw-r--r-- | projects/11/Pong/Main.vm | 13 | ||||
| -rw-r--r-- | projects/11/Pong/PongGame.jack | 137 | ||||
| -rw-r--r-- | projects/11/Pong/PongGame.vm | 309 |
8 files changed, 0 insertions, 1416 deletions
diff --git a/projects/11/Pong/Ball.jack b/projects/11/Pong/Ball.jack deleted file mode 100644 index 02e47f9..0000000 --- a/projects/11/Pong/Ball.jack +++ /dev/null @@ -1,203 +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/Ball.jack
-
-/**
- * A graphical ball. Characterized by a screen location and distance of
- * last destination. Has methods for drawing, erasing and moving on the screen.
- * The ball is displayed as a filled, 6-by-6 pixles rectangle.
- */
-class Ball {
-
- field int x, y; // the ball's screen location (in pixels)
- field int lengthx, lengthy; // distance of last destination (in pixels)
-
- field int d, straightD, diagonalD; // used for straight line movement computation
- field boolean invert, positivex, positivey; // (same)
-
- field int leftWall, rightWall, topWall, bottomWall; // wall locations
-
- field int wall; // last wall that the ball was bounced off of
-
- /** Constructs a new ball with the given initial location and wall locations. */
- constructor Ball new(int Ax, int Ay,
- int AleftWall, int ArightWall, int AtopWall, int AbottomWall) {
- let x = Ax;
- let y = Ay;
- let leftWall = AleftWall;
- let rightWall = ArightWall - 6; // -6 for ball size
- let topWall = AtopWall;
- let bottomWall = AbottomWall - 6; // -6 for ball size
- let wall = 0;
- do show();
- return this;
- }
-
- /** Deallocates the Ball's memory. */
- method void dispose() {
- do Memory.deAlloc(this);
- return;
- }
-
- /** Shows the ball. */
- method void show() {
- do Screen.setColor(true);
- do draw();
- return;
- }
-
- /** Hides the ball. */
- method void hide() {
- do Screen.setColor(false);
- do draw();
- return;
- }
-
- /** Draws the ball. */
- method void draw() {
- do Screen.drawRectangle(x, y, x + 5, y + 5);
- return;
- }
-
- /** Returns the ball's left edge. */
- method int getLeft() {
- return x;
- }
-
- /** Returns the ball's right edge. */
- method int getRight() {
- return x + 5;
- }
-
- /** Computes and sets the ball's destination. */
- method void setDestination(int destx, int desty) {
- var int dx, dy, temp;
- let lengthx = destx - x;
- let lengthy = desty - y;
- let dx = Math.abs(lengthx);
- let dy = Math.abs(lengthy);
- let invert = (dx < dy);
-
- if (invert) {
- let temp = dx; // swap dx, dy
- let dx = dy;
- let dy = temp;
- let positivex = (y < desty);
- let positivey = (x < destx);
- }
- else {
- let positivex = (x < destx);
- let positivey = (y < desty);
- }
-
- let d = (2 * dy) - dx;
- let straightD = 2 * dy;
- let diagonalD = 2 * (dy - dx);
-
- return;
- }
-
- /**
- * Moves the ball one unit towards its destination.
- * If the ball has reached a wall, returns 0.
- * Else, returns a value according to the wall:
- * 1 (left wall), 2 (right wall), 3 (top wall), 4 (bottom wall).
- */
- method int move() {
-
- do hide();
-
- if (d < 0) { let d = d + straightD; }
- else {
- let d = d + diagonalD;
-
- if (positivey) {
- if (invert) { let x = x + 4; }
- else { let y = y + 4; }
- }
- else {
- if (invert) { let x = x - 4; }
- else { let y = y - 4; }
- }
- }
-
- if (positivex) {
- if (invert) { let y = y + 4; }
- else { let x = x + 4; }
- }
- else {
- if (invert) { let y = y - 4; }
- else { let x = x - 4; }
- }
-
- if (~(x > leftWall)) {
- let wall = 1;
- let x = leftWall;
- }
- if (~(x < rightWall)) {
- let wall = 2;
- let x = rightWall;
- }
- if (~(y > topWall)) {
- let wall = 3;
- let y = topWall;
- }
- if (~(y < bottomWall)) {
- let wall = 4;
- let y = bottomWall;
- }
-
- do show();
-
- return wall;
- }
-
- /**
- * Bounces off the current wall: sets the new destination
- * of the ball according to the ball's angle and the given
- * bouncing direction (-1/0/1=left/center/right or up/center/down).
- */
- method void bounce(int bouncingDirection) {
- var int newx, newy, divLengthx, divLengthy, factor;
-
- // dividing by 10 first since results are too big
- let divLengthx = lengthx / 10;
- let divLengthy = lengthy / 10;
- if (bouncingDirection = 0) { let factor = 10; }
- else {
- if (((~(lengthx < 0)) & (bouncingDirection = 1)) | ((lengthx < 0) & (bouncingDirection = (-1)))) {
- let factor = 20; // bounce direction is in ball direction
- }
- else { let factor = 5; } // bounce direction is against ball direction
- }
-
- if (wall = 1) {
- let newx = 506;
- let newy = (divLengthy * (-50)) / divLengthx;
- let newy = y + (newy * factor);
- }
- else {
- if (wall = 2) {
- let newx = 0;
- let newy = (divLengthy * 50) / divLengthx;
- let newy = y + (newy * factor);
- }
- else {
- if (wall = 3) {
- let newy = 250;
- let newx = (divLengthx * (-25)) / divLengthy;
- let newx = x + (newx * factor);
- }
- else { // assumes wall = 4
- let newy = 0;
- let newx = (divLengthx * 25) / divLengthy;
- let newx = x + (newx * factor);
- }
- }
- }
-
- do setDestination(newx, newy);
- return;
- }
-}
diff --git a/projects/11/Pong/Ball.vm b/projects/11/Pong/Ball.vm deleted file mode 100644 index 9d7b984..0000000 --- a/projects/11/Pong/Ball.vm +++ /dev/null @@ -1,427 +0,0 @@ -function Ball.new 0 -push constant 15 -call Memory.alloc 1 -pop pointer 0 -push argument 0 -pop this 0 -push argument 1 -pop this 1 -push argument 2 -pop this 10 -push argument 3 -push constant 6 -sub -pop this 11 -push argument 4 -pop this 12 -push argument 5 -push constant 6 -sub -pop this 13 -push constant 0 -pop this 14 -push pointer 0 -call Ball.show 1 -pop temp 0 -push pointer 0 -return -function Ball.dispose 0 -push argument 0 -pop pointer 0 -push pointer 0 -call Memory.deAlloc 1 -pop temp 0 -push constant 0 -return -function Ball.show 0 -push argument 0 -pop pointer 0 -push constant 1 -neg -call Screen.setColor 1 -pop temp 0 -push pointer 0 -call Ball.draw 1 -pop temp 0 -push constant 0 -return -function Ball.hide 0 -push argument 0 -pop pointer 0 -push constant 0 -call Screen.setColor 1 -pop temp 0 -push pointer 0 -call Ball.draw 1 -pop temp 0 -push constant 0 -return -function Ball.draw 0 -push argument 0 -pop pointer 0 -push this 0 -push this 1 -push this 0 -push constant 5 -add -push this 1 -push constant 5 -add -call Screen.drawRectangle 4 -pop temp 0 -push constant 0 -return -function Ball.getLeft 0 -push argument 0 -pop pointer 0 -push this 0 -return -function Ball.getRight 0 -push argument 0 -pop pointer 0 -push this 0 -push constant 5 -add -return -function Ball.setDestination 3 -push argument 0 -pop pointer 0 -push argument 1 -push this 0 -sub -pop this 2 -push argument 2 -push this 1 -sub -pop this 3 -push this 2 -call Math.abs 1 -pop local 0 -push this 3 -call Math.abs 1 -pop local 1 -push local 0 -push local 1 -lt -pop this 7 -push this 7 -not -if-goto setDestination.Else0 -push local 0 -pop local 2 -push local 1 -pop local 0 -push local 2 -pop local 1 -push this 1 -push argument 2 -lt -pop this 8 -push this 0 -push argument 1 -lt -pop this 9 -goto setDestination.Endif0 -label setDestination.Else0 -push this 0 -push argument 1 -lt -pop this 8 -push this 1 -push argument 2 -lt -pop this 9 -label setDestination.Endif0 -push constant 2 -push local 1 -call Math.multiply 2 -push local 0 -sub -pop this 4 -push constant 2 -push local 1 -call Math.multiply 2 -pop this 5 -push constant 2 -push local 1 -push local 0 -sub -call Math.multiply 2 -pop this 6 -push constant 0 -return -function Ball.move 0 -push argument 0 -pop pointer 0 -push pointer 0 -call Ball.hide 1 -pop temp 0 -push this 4 -push constant 0 -lt -not -if-goto move.Else0 -push this 4 -push this 5 -add -pop this 4 -goto move.Endif0 -label move.Else0 -push this 4 -push this 6 -add -pop this 4 -push this 9 -not -if-goto move.If0.Else0 -push this 7 -not -if-goto move.If0.Else0.Else0 -push this 0 -push constant 4 -add -pop this 0 -goto move.If0.Else0.Endif0 -label move.If0.Else0.Else0 -push this 1 -push constant 4 -add -pop this 1 -label move.If0.Else0.Endif0 -goto move.If0.Endif0 -label move.If0.Else0 -push this 7 -not -if-goto move.If0.If0.Else0 -push this 0 -push constant 4 -sub -pop this 0 -goto move.If0.If0.Endif0 -label move.If0.If0.Else0 -push this 1 -push constant 4 -sub -pop this 1 -label move.If0.If0.Endif0 -label move.If0.Endif0 -label move.Endif0 -push this 8 -not -if-goto move.Else1 -push this 7 -not -if-goto move.Else1.Else0 -push this 1 -push constant 4 -add -pop this 1 -goto move.Else1.Endif0 -label move.Else1.Else0 -push this 0 -push constant 4 -add -pop this 0 -label move.Else1.Endif0 -goto move.Endif1 -label move.Else1 -push this 7 -not -if-goto move.If1.Else0 -push this 1 -push constant 4 -sub -pop this 1 -goto move.If1.Endif0 -label move.If1.Else0 -push this 0 -push constant 4 -sub -pop this 0 -label move.If1.Endif0 -label move.Endif1 -push this 0 -push this 10 -gt -not -not -if-goto move.Else2 -push constant 1 -pop this 14 -push this 10 -pop this 0 -label move.Else2 -push this 0 -push this 11 -lt -not -not -if-goto move.Else3 -push constant 2 -pop this 14 -push this 11 -pop this 0 -label move.Else3 -push this 1 -push this 12 -gt -not -not -if-goto move.Else4 -push constant 3 -pop this 14 -push this 12 -pop this 1 -label move.Else4 -push this 1 -push this 13 -lt -not -not -if-goto move.Else5 -push constant 4 -pop this 14 -push this 13 -pop this 1 -label move.Else5 -push pointer 0 -call Ball.show 1 -pop temp 0 -push this 14 -return -function Ball.bounce 5 -push argument 0 -pop pointer 0 -push this 2 -push constant 10 -call Math.divide 2 -pop local 2 -push this 3 -push constant 10 -call Math.divide 2 -pop local 3 -push argument 1 -push constant 0 -eq -not -if-goto bounce.Else0 -push constant 10 -pop local 4 -goto bounce.Endif0 -label bounce.Else0 -push this 2 -push constant 0 -lt -not -push argument 1 -push constant 1 -eq -and -push this 2 -push constant 0 -lt -push argument 1 -push constant 1 -neg -eq -and -or -not -if-goto bounce.If0.Else0 -push constant 20 -pop local 4 -goto bounce.If0.Endif0 -label bounce.If0.Else0 -push constant 5 -pop local 4 -label bounce.If0.Endif0 -label bounce.Endif0 -push this 14 -push constant 1 -eq -not -if-goto bounce.Else1 -push constant 506 -pop local 0 -push local 3 -push constant 50 -neg -call Math.multiply 2 -push local 2 -call Math.divide 2 -pop local 1 -push this 1 -push local 1 -push local 4 -call Math.multiply 2 -add -pop local 1 -goto bounce.Endif1 -label bounce.Else1 -push this 14 -push constant 2 -eq -not -if-goto bounce.If1.Else0 -push constant 0 -pop local 0 -push local 3 -push constant 50 -call Math.multiply 2 -push local 2 -call Math.divide 2 -pop local 1 -push this 1 -push local 1 -push local 4 -call Math.multiply 2 -add -pop local 1 -goto bounce.If1.Endif0 -label bounce.If1.Else0 -push this 14 -push constant 3 -eq -not -if-goto bounce.If1.If0.Else0 -push constant 250 -pop local 1 -push local 2 -push constant 25 -neg -call Math.multiply 2 -push local 3 -call Math.divide 2 -pop local 0 -push this 0 -push local 0 -push local 4 -call Math.multiply 2 -add -pop local 0 -goto bounce.If1.If0.Endif0 -label bounce.If1.If0.Else0 -push constant 0 -pop local 1 -push local 2 -push constant 25 -call Math.multiply 2 -push local 3 -call Math.divide 2 -pop local 0 -push this 0 -push local 0 -push local 4 -call Math.multiply 2 -add -pop local 0 -label bounce.If1.If0.Endif0 -label bounce.If1.Endif0 -label bounce.Endif1 -push pointer 0 -push local 0 -push local 1 -call Ball.setDestination 3 -pop temp 0 -push constant 0 -return diff --git a/projects/11/Pong/Bat.jack b/projects/11/Pong/Bat.jack deleted file mode 100644 index 340760f..0000000 --- a/projects/11/Pong/Bat.jack +++ /dev/null @@ -1,103 +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/Bat.jack
-
-/**
- * A graphical Pong bat.
- * Displayed as a filled horizontal rectangle that has
- * a screen location, a width and a height.
- * Has methods for drawing, erasing, moving left and right,
- * and changing its width (to make the hitting action more challenging).
- * This class should have been called "paddle", following the
- * standard Pong terminology. But, unaware of this terminology,
- * we called it "bat", and then decided to stick to it.
- */
-class Bat {
-
- field int x, y; // the bat's screen location
- field int width, height; // the bat's width and height
- field int direction; // direction of the bat's movement (1 = left, 2 = right)
-
- /** Constructs a new bat with the given location and width. */
- constructor Bat new(int Ax, int Ay, int Awidth, int Aheight) {
- let x = Ax;
- let y = Ay;
- let width = Awidth;
- let height = Aheight;
- let direction = 2;
- do show();
- return this;
- }
-
- /** Deallocates the object's memory. */
- method void dispose() {
- do Memory.deAlloc(this);
- return;
- }
-
- /** Shows the bat. */
- method void show() {
- do Screen.setColor(true);
- do draw();
- return;
- }
-
- /** Hides the bat. */
- method void hide() {
- do Screen.setColor(false);
- do draw();
- return;
- }
-
- /** Draws the bat. */
- method void draw() {
- do Screen.drawRectangle(x, y, x + width, y + height);
- return;
- }
-
- /** Sets the bat's direction (0=stop, 1=left, 2=right). */
- method void setDirection(int Adirection) {
- let direction = Adirection;
- return;
- }
-
- /** Returns the bat's left edge. */
- method int getLeft() {
- return x;
- }
-
- /** Returns the bat's right edge. */
- method int getRight() {
- return x + width;
- }
-
- /** Sets the bat's width. */
- method void setWidth(int Awidth) {
- do hide();
- let width = Awidth;
- do show();
- return;
- }
-
- /** Moves the bat one step in the bat's direction. */
- method void move() {
- if (direction = 1) {
- let x = x - 4;
- if (x < 0) { let x = 0; }
- do Screen.setColor(false);
- do Screen.drawRectangle((x + width) + 1, y, (x + width) + 4, y + height);
- do Screen.setColor(true);
- do Screen.drawRectangle(x, y, x + 3, y + height);
- }
- else {
- let x = x + 4;
- if ((x + width) > 511) { let x = 511 - width; }
- do Screen.setColor(false);
- do Screen.drawRectangle(x - 4, y, x - 1, y + height);
- do Screen.setColor(true);
- do Screen.drawRectangle((x + width) - 3, y, x + width, y + height);
- }
- return;
- }
-}
diff --git a/projects/11/Pong/Bat.vm b/projects/11/Pong/Bat.vm deleted file mode 100644 index 77acfe4..0000000 --- a/projects/11/Pong/Bat.vm +++ /dev/null @@ -1,204 +0,0 @@ -function Bat.new 0 -push constant 5 -call Memory.alloc 1 -pop pointer 0 -push argument 0 -pop this 0 -push argument 1 -pop this 1 -push argument 2 -pop this 2 -push argument 3 -pop this 3 -push constant 2 -pop this 4 -push pointer 0 -call Bat.show 1 -pop temp 0 -push pointer 0 -return -function Bat.dispose 0 -push argument 0 -pop pointer 0 -push pointer 0 -call Memory.deAlloc 1 -pop temp 0 -push constant 0 -return -function Bat.show 0 -push argument 0 -pop pointer 0 -push constant 1 -neg -call Screen.setColor 1 -pop temp 0 -push pointer 0 -call Bat.draw 1 -pop temp 0 -push constant 0 -return -function Bat.hide 0 -push argument 0 -pop pointer 0 -push constant 0 -call Screen.setColor 1 -pop temp 0 -push pointer 0 -call Bat.draw 1 -pop temp 0 -push constant 0 -return -function Bat.draw 0 -push argument 0 -pop pointer 0 -push this 0 -push this 1 -push this 0 -push this 2 -add -push this 1 -push this 3 -add -call Screen.drawRectangle 4 -pop temp 0 -push constant 0 -return -function Bat.setDirection 0 -push argument 0 -pop pointer 0 -push argument 1 -pop this 4 -push constant 0 -return -function Bat.getLeft 0 -push argument 0 -pop pointer 0 -push this 0 -return -function Bat.getRight 0 -push argument 0 -pop pointer 0 -push this 0 -push this 2 -add -return -function Bat.setWidth 0 -push argument 0 -pop pointer 0 -push pointer 0 -call Bat.hide 1 -pop temp 0 -push argument 1 -pop this 2 -push pointer 0 -call Bat.show 1 -pop temp 0 -push constant 0 -return -function Bat.move 0 -push argument 0 -pop pointer 0 -push this 4 -push constant 1 -eq -not -if-goto move.Else0 -push this 0 -push constant 4 -sub -pop this 0 -push this 0 -push constant 0 -lt -not -if-goto move.Else0.Else0 -push constant 0 -pop this 0 -label move.Else0.Else0 -push constant 0 -call Screen.setColor 1 -pop temp 0 -push this 0 -push this 2 -add -push constant 1 -add -push this 1 -push this 0 -push this 2 -add -push constant 4 -add -push this 1 -push this 3 -add -call Screen.drawRectangle 4 -pop temp 0 -push constant 1 -neg -call Screen.setColor 1 -pop temp 0 -push this 0 -push this 1 -push this 0 -push constant 3 -add -push this 1 -push this 3 -add -call Screen.drawRectangle 4 -pop temp 0 -goto move.Endif0 -label move.Else0 -push this 0 -push constant 4 -add -pop this 0 -push this 0 -push this 2 -add -push constant 511 -gt -not -if-goto move.If0.Else0 -push constant 511 -push this 2 -sub -pop this 0 -label move.If0.Else0 -push constant 0 -call Screen.setColor 1 -pop temp 0 -push this 0 -push constant 4 -sub -push this 1 -push this 0 -push constant 1 -sub -push this 1 -push this 3 -add -call Screen.drawRectangle 4 -pop temp 0 -push constant 1 -neg -call Screen.setColor 1 -pop temp 0 -push this 0 -push this 2 -add -push constant 3 -sub -push this 1 -push this 0 -push this 2 -add -push this 1 -push this 3 -add -call Screen.drawRectangle 4 -pop temp 0 -label move.Endif0 -push constant 0 -return diff --git a/projects/11/Pong/Main.jack b/projects/11/Pong/Main.jack deleted file mode 100644 index 45e2dd2..0000000 --- a/projects/11/Pong/Main.jack +++ /dev/null @@ -1,20 +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/Main.jack
-
-/**
- * The main class of the Pong game.
- */
-class Main {
-
- /** Initializes a Pong game and starts running it. */
- function void main() {
- var PongGame game;
- do PongGame.newInstance();
- let game = PongGame.getInstance();
- do game.run();
- do game.dispose();
- return;
- }
-}
diff --git a/projects/11/Pong/Main.vm b/projects/11/Pong/Main.vm deleted file mode 100644 index 94d76d7..0000000 --- a/projects/11/Pong/Main.vm +++ /dev/null @@ -1,13 +0,0 @@ -function Main.main 1 -call PongGame.newInstance 0 -pop temp 0 -call PongGame.getInstance 0 -pop local 0 -push local 0 -call PongGame.run 1 -pop temp 0 -push local 0 -call PongGame.dispose 1 -pop temp 0 -push constant 0 -return 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 diff --git a/projects/11/Pong/PongGame.vm b/projects/11/Pong/PongGame.vm deleted file mode 100644 index 5521919..0000000 --- a/projects/11/Pong/PongGame.vm +++ /dev/null @@ -1,309 +0,0 @@ -function PongGame.new 0 -push constant 7 -call Memory.alloc 1 -pop pointer 0 -call Screen.clearScreen 0 -pop temp 0 -push constant 50 -pop this 6 -push constant 230 -push constant 229 -push this 6 -push constant 7 -call Bat.new 4 -pop this 0 -push constant 253 -push constant 222 -push constant 0 -push constant 511 -push constant 0 -push constant 229 -call Ball.new 6 -pop this 1 -push this 1 -push constant 400 -push constant 0 -call Ball.setDestination 3 -pop temp 0 -push constant 0 -push constant 238 -push constant 511 -push constant 240 -call Screen.drawRectangle 4 -pop temp 0 -push constant 22 -push constant 0 -call Output.moveCursor 2 -pop temp 0 -push constant 8 -call String.new 1 -push constant 83 -call String.appendChar 2 -push constant 99 -call String.appendChar 2 -push constant 111 -call String.appendChar 2 -push constant 114 -call String.appendChar 2 -push constant 101 -call String.appendChar 2 -push constant 58 -call String.appendChar 2 -push constant 32 -call String.appendChar 2 -push constant 48 -call String.appendChar 2 -call Output.printString 1 -pop temp 0 -push constant 0 -pop this 3 -push constant 0 -pop this 4 -push constant 0 -pop this 2 -push constant 0 -pop this 5 -push pointer 0 -return -function PongGame.dispose 0 -push argument 0 -pop pointer 0 -push this 0 -call Bat.dispose 1 -pop temp 0 -push this 1 -call Ball.dispose 1 -pop temp 0 -push pointer 0 -call Memory.deAlloc 1 -pop temp 0 -push constant 0 -return -function PongGame.newInstance 0 -call PongGame.new 0 -pop static 0 -push constant 0 -return -function PongGame.getInstance 0 -push static 0 -return -function PongGame.run 1 -push argument 0 -pop pointer 0 -label run.While0 -push this 3 -not -not -if-goto run.EndWhile0 -label run.While0.While0 -push local 0 -push constant 0 -eq -push this 3 -not -and -not -if-goto run.While0.EndWhile0 -call Keyboard.keyPressed 0 -pop local 0 -push this 0 -call Bat.move 1 -pop temp 0 -push pointer 0 -call PongGame.moveBall 1 -pop temp 0 -push constant 50 -call Sys.wait 1 -pop temp 0 -goto run.While0.While0 -label run.While0.EndWhile0 -push local 0 -push constant 130 -eq -not -if-goto run.While0.Else1 -push this 0 -push constant 1 -call Bat.setDirection 2 -pop temp 0 -goto run.While0.Endif1 -label run.While0.Else1 -push local 0 -push constant 132 -eq -not -if-goto run.While0.If1.Else0 -push this 0 -push constant 2 -call Bat.setDirection 2 -pop temp 0 -goto run.While0.If1.Endif0 -label run.While0.If1.Else0 -push local 0 -push constant 140 -eq -not -if-goto run.While0.If1.If0.Else0 -push constant 1 -neg -pop this 3 -label run.While0.If1.If0.Else0 -label run.While0.If1.Endif0 -label run.While0.Endif1 -label run.While0.While2 -push local 0 -push constant 0 -eq -not -push this 3 -not -and -not -if-goto run.While0.EndWhile2 -call Keyboard.keyPressed 0 -pop local 0 -push this 0 -call Bat.move 1 -pop temp 0 -push pointer 0 -call PongGame.moveBall 1 -pop temp 0 -push constant 50 -call Sys.wait 1 -pop temp 0 -goto run.While0.While2 -label run.While0.EndWhile2 -goto run.While0 -label run.EndWhile0 -push this 3 -not -if-goto run.Else1 -push constant 10 -push constant 27 -call Output.moveCursor 2 -pop temp 0 -push constant 9 -call String.new 1 -push constant 71 -call String.appendChar 2 -push constant 97 -call String.appendChar 2 -push constant 109 -call String.appendChar 2 -push constant 101 -call String.appendChar 2 -push constant 32 -call String.appendChar 2 -push constant 79 -call String.appendChar 2 -push constant 118 -call String.appendChar 2 -push constant 101 -call String.appendChar 2 -push constant 114 -call String.appendChar 2 -call Output.printString 1 -pop temp 0 -label run.Else1 -push constant 0 -return -function PongGame.moveBall 5 -push argument 0 -pop pointer 0 -push this 1 -call Ball.move 1 -pop this 2 -push this 2 -push constant 0 -gt -push this 2 -push this 5 -eq -not -and -not -if-goto moveBall.Else0 -push this 2 -pop this 5 -push constant 0 -pop local 0 -push this 0 -call Bat.getLeft 1 -pop local 1 -push this 0 -call Bat.getRight 1 -pop local 2 -push this 1 -call Ball.getLeft 1 -pop local 3 -push this 1 -call Ball.getRight 1 -pop local 4 -push this 2 -push constant 4 -eq -not -if-goto moveBall.Else0.Else0 -push local 1 -push local 4 -gt -push local 2 -push local 3 -lt -or -pop this 3 -push this 3 -not -not -if-goto moveBall.Else0.Else0.Else0 -push local 4 -push local 1 -push constant 10 -add -lt -not -if-goto moveBall.Else0.Else0.Else0.Else0 -push constant 1 -neg -pop local 0 -goto moveBall.Else0.Else0.Else0.Endif0 -label moveBall.Else0.Else0.Else0.Else0 -push local 3 -push local 2 -push constant 10 -sub -gt -not -if-goto moveBall.Else0.Else0.Else0.If0.Else0 -push constant 1 -pop local 0 -label moveBall.Else0.Else0.Else0.If0.Else0 -label moveBall.Else0.Else0.Else0.Endif0 -push this 6 -push constant 2 -sub -pop this 6 -push this 0 -push this 6 -call Bat.setWidth 2 -pop temp 0 -push this 4 -push constant 1 -add -pop this 4 -push constant 22 -push constant 7 -call Output.moveCursor 2 -pop temp 0 -push this 4 -call Output.printInt 1 -pop temp 0 -label moveBall.Else0.Else0.Else0 -label moveBall.Else0.Else0 -push this 1 -push local 0 -call Ball.bounce 2 -pop temp 0 -label moveBall.Else0 -push constant 0 -return |