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Feature fun #2

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Feature fun #2

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1b13fdb
Create new RoundBall
dev-oiram Oct 3, 2021
cac9e33
Remove Square Ball
dev-oiram Oct 3, 2021
10e8eb5
Add Net Node
dev-oiram Oct 3, 2021
1167937
Add Sound class
dev-oiram Oct 3, 2021
6856319
Added sound effects
dev-oiram Oct 3, 2021
54d6158
Add background to the Game
dev-oiram Oct 3, 2021
246baef
Adjust Players speed
dev-oiram Oct 4, 2021
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Binary file added public/images/wood.jpg
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3 changes: 3 additions & 0 deletions public/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,9 @@
<head>
<title>Ping Pong Game</title>
</head>
<style>
body {margin: 0}
</style>
<body>
<canvas id="canvas" width="800" height="400"></canvas>
<script type="text/javascript" src="js/app.js"></script>
Expand Down
21 changes: 19 additions & 2 deletions public/js/app.js
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Expand Up @@ -6,6 +6,7 @@ var app = {
//resizing
width : 800,
height : 400,
background : new Image(),

//nodes
nodes : [],
Expand All @@ -19,6 +20,12 @@ var app = {
this.canvas = document.getElementById('canvas');
this.context = this.canvas.getContext('2d');

/**
* Download from:
* https://pixabay.com/es/photos/madera-piso-fondo-antecedentes-1866667
*/
this.background.src = "images/wood.jpg";

this.render();
this.onInit();
},
Expand All @@ -35,17 +42,27 @@ var app = {
var dt = Date.now() - this.lastUpdate;

this.onUpdate(dt);
this.context.drawImage(this.background,0,0);

for(var index in this.nodes){
var node = this.nodes[index];

// Create new node for Text
if(node.istext) {
this.context.fillStyle = 'black'
this.context.font = node.size+'px serif';
this.context.fillText(node.text, node.x, node.y);
}else {
this.context.fillStyle = node.color;
this.context.fillRect(node.x, node.y, node.width, node.height);
if(node.isball) {
this.context.fillStyle = node.color;
this.context.beginPath();
this.context.arc(node.x, node.y, node.r, 0, Math.PI * 2);
this.context.closePath();
this.context.fill()
}else {
this.context.fillStyle = node.color;
this.context.fillRect(node.x, node.y, node.width, node.height);
}
}
}

Expand Down
93 changes: 78 additions & 15 deletions public/js/modules/module.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,17 +3,17 @@
class Player {
constructor(id,app,color,playerNum) {
this.initialY = app.height/2
this.speed = 5
this.speed = 9
this.move = {
up : false,
down : false
}
let x = 0
if(playerNum == 1) {
x = app.width/20 - (app.width/20) // Player One position
x = app.width/20 // Player One position
}
if(playerNum == 2) {
x = (app.width) - (app.width/20) // Player Two position
x = app.width - (app.width/20*2) // Player Two position
}
this.initial = {
id : id,
Expand All @@ -28,6 +28,7 @@ class Player {
}

reset() {
this.speed = 9
this.node.y = this.initialY
}

Expand All @@ -52,21 +53,22 @@ class Player {
getNode() { return this.node }
}


// Node ball class
class Ball {
constructor(id,app,color) {
// Node RoundBall class
class RoundBall {
constructor(id,app,color,playerOne,playerTwo) {
this.p1 = playerOne
this.p2 = playerTwo
this.ref = app
this.speed = 6
this.velocityX = 6
this.velocityY = 6
this.speed = 10
this.velocityX = 8
this.velocityY = 8
this.initial = {
id : id,
width : app.width/30,
height : app.height/25,
r : 15, // Ball Radius
x : app.width/2,
y : app.height/2,
color : color
color : color,
isball: true
}
app.nodes.push(this.initial)
this.node = app.getNode(this.initial.id)
Expand All @@ -75,6 +77,12 @@ class Ball {
one: 0,
two: 0
}

/**
* Download from https://pixabay.com/sound-effects/
*/
this.bounce = new Sound('sounds/metal-hit-cartoon.mp3', false)
this.scoreSound = new Sound('sounds/8-bit-powerup.mp3', false)
}

reset(resetGame) {
Expand All @@ -86,8 +94,16 @@ class Ball {
}
this.node.x = this.ref.width/2
this.node.y = this.ref.height/2
this.speed = 6
this.speed = 10
this.velocityX = 8
this.velocityY = 8
this.velocityX = -this.velocityX
this.p1.speed = 9
this.p2.speed = 9
}

playBounce() {
this.bounce.play()
}

update(deltatime) {
Expand All @@ -97,15 +113,18 @@ class Ball {
}

// Change the ball direction when collide with top and botton border
if(this.node.y + (this.node.height/2) > this.ref.height || this.node.y - (this.node.height/2) < 0) {
if(this.node.y + this.node.r > this.ref.height || this.node.y - this.node.r < 0) {
this.playBounce() // Play Ball bounce
this.velocityY = -this.velocityY
}

// Reset Ball when collide with left or right border to set score
if(this.node.x < 0) {
this.scoreSound.play()
this.score.one ++
this.reset(false)
}else if(this.node.x > this.ref.width) {
this.scoreSound.play()
this.score.two ++
this.reset(false)
}
Expand All @@ -114,6 +133,7 @@ class Ball {
getNode() { return this.node }
}


// Node text class
class Text {
constructor(id,x,y,size,text,app) {
Expand All @@ -135,4 +155,47 @@ class Text {
}

getText() { return this.node } // Return text node
}


// Node Net class
class Net {
constructor(id,app,color) {
this.initial = {
id : id,
width : 20,
height : app.height,
x : app.width/2 - (10),
y : 0,
color : color
}
app.nodes.push(this.initial)
this.node = app.getNode(this.initial.id)
}
}

// Sound Class
class Sound {
constructor(src,loop) {
this.sound = document.createElement("audio");
this.sound.src = src;
this.sound.setAttribute("preload", "auto");
this.sound.setAttribute("controls", "none");
if(loop) {
this.sound.setAttribute("loop", loop)
}
this.sound.style.display = "none";
this.sound.volume = 0.2
document.body.appendChild(this.sound);
}

play() {
this.sound.currentTime = 0
this.sound.play()
}

pause() {
this.sound.pause()
this.sound.currentTime = 0
}
}
60 changes: 39 additions & 21 deletions public/js/modules/start.js
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Expand Up @@ -9,19 +9,30 @@ app.height = window.innerHeight
document.body.scrollTop = 0; // <-- pull the page back up to the top
document.body.style.overflow = 'hidden'; // <-- relevant addition

var net = new Net('net',app,'orange')

var PlayerOne = new Player('player-one',app,'blue',1)
var PlayerTwo = new Player('player-two',app,'red',2)

var ball = new Ball('ball',app,'black')
var roundBall = new RoundBall('roundball',app,'white',PlayerOne,PlayerTwo)

var player1Score = new Text('score-two',(app.width/4) * 3, app.height / 4,50,"0",app)
var player2Score = new Text('score-one',app.width / 4, app.height / 4,50,"0",app)
var startText = new Text('start',app.width/2, app.height - 50, 50,"Press 'Enter' to Start",app)
var pauseText = new Text('pause',app.width/2, app.height - 50,50,"",app)
var pauseInst = new Text('pauseInst',app.width/2, app.height - 25,25,"",app)
var mainText = 50, secondText = 25;
var player1Score = new Text('score-two',(app.width/4) * 3, app.height / 4, mainText*1.5,"0",app)
var player2Score = new Text('score-one',app.width / 4, app.height / 4, mainText*1.5,"0",app)
var startText = new Text('start',app.width/2 + (mainText/2), app.height - 50, mainText,"Press 'Enter' to Start",app)
var pauseText = new Text('pause',app.width/2 + (mainText/2), app.height - 50, mainText,"",app)
var pauseInst = new Text('pauseInst',app.width/2 + (secondText/2), app.height - 25, secondText,"",app)

var state = 'START'

/**
* Add Game Music Level1.wav
* Created by https://juhanijunkala.com/
*/
var music = new Sound('sounds/level1.wav', true)


// Init
app.onInit = function(){

document.addEventListener('keydown', (event) => {
Expand Down Expand Up @@ -51,13 +62,16 @@ app.onInit = function(){
PlayerTwo.moveDown(false)

if(keyName == 'Enter'){
if(state == 'START')
if(state == 'START'){
music.play() // Start Game Music
state = 'GAME'
}
}

if(keyName == ' '){
if(state == 'GAME' || state == 'PAUSE')
if(state == 'GAME' || state == 'PAUSE'){
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@demiculus demiculus Oct 4, 2021 •
edited
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a typo and the game breaks
maybe you shouldn't use strings huh?

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Do you know how to use enum?

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Oh I see, I haven´t use enum before but I can change it and not use strings

this.pause()
}
}

if(keyName == 'r'){
Expand Down Expand Up @@ -87,11 +101,13 @@ app.onUpdate = function(time){

app.pause = function(){
if(state == 'GAME'){
music.pause() // Pause Game Music
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@demiculus demiculus Oct 4, 2021 •
edited
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music.pause() isn't descriptive enough so you added // Pause Game Music to make sure the code reader understands right? :D

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Hi, yes I define the "music" object and added some comments when I invoke the methods

state = 'PAUSE'
pauseText.setText("Pause")
pauseInst.setText("press 'R' for reset")
}
else{
music.play() // Resume Game Music
state = 'GAME'
pauseText.setText("")
pauseInst.setText("")
Expand All @@ -103,7 +119,7 @@ app.reset = function(){
PlayerTwo.reset()
player1Score.setText("0")
player2Score.setText("0")
ball.reset(true)
roundBall.reset(true)
state = 'START'
pauseText.setText("")
pauseInst.setText("")
Expand All @@ -114,15 +130,15 @@ function gameRuning(deltatime) {
PlayerOne.update(deltatime)
PlayerTwo.update(deltatime)

ball.update(deltatime)
player1Score.setText(ball.score.one)
player2Score.setText(ball.score.two)
roundBall.update(deltatime)
player1Score.setText(roundBall.score.one)
player2Score.setText(roundBall.score.two)

if(collision(ball.getNode(),PlayerOne.getNode())){
changeDirection(ball,PlayerOne,app)
if(collision(roundBall.getNode(),PlayerOne.getNode())){
changeDirection(roundBall,PlayerOne,app)
}
if(collision(ball.getNode(),PlayerTwo.getNode())){
changeDirection(ball,PlayerTwo,app)
if(collision(roundBall.getNode(),PlayerTwo.getNode())){
changeDirection(roundBall,PlayerTwo,app)
}
}

Expand All @@ -133,17 +149,18 @@ function collision(ball,player) {
let pLeft = player.x
let pRight = (player.x) + player.width

let bTop = ball.y
let bBottom = (ball.y) + ball.height
let bLeft = ball.x
let bRight = (ball.x) + ball.width
let bTop = ball.y - ball.r
let bBottom = (ball.y) + ball.r
let bLeft = ball.x - ball.r
let bRight = (ball.x) + ball.r

// boolean for collision
return bRight > pLeft && bTop < pBottom && bLeft < pRight && bBottom > pTop
}

// Change ball direction once it collides with player
function changeDirection(ball,player,app) {
ball.playBounce() // Play Ball bounce
let collideHit = ball.getNode().y - (player.getNode().y + player.getNode().height / 2)
collideHit = collideHit / (player.getNode().height / 2)
let angle = (Math.PI/4) * collideHit
Expand All @@ -155,5 +172,6 @@ function changeDirection(ball,player,app) {
ball.velocityX = direction * ball.speed * Math.cos(angle)
ball.velocityY = direction * ball.speed * Math.sin(angle)

ball.speed += 0.5
ball.speed += 1
player.speed += 1
}
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