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a/public/index.html b/public/index.html index 4c6e1b2b..b60a0381 100644 --- a/public/index.html +++ b/public/index.html @@ -6,41 +6,8 @@ - + + + \ No newline at end of file diff --git a/public/js/app.js b/public/js/app.js index d94dca91..b48d7f64 100644 --- a/public/js/app.js +++ b/public/js/app.js @@ -39,8 +39,14 @@ var app = { for(var index in this.nodes){ var node = this.nodes[index]; - this.context.fillStyle = node.color; - this.context.fillRect(node.x, node.y, node.width, node.height); + // Create new node for Text + if(node.istext) { + 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); + } } this.lastUpdate = Date.now(); @@ -60,7 +66,9 @@ var app = { //events onInit : function(){}, - onUpdate : function(){} + onUpdate : function(){}, + pause : function() {}, + reset: function() {} }; window.onload = function(){ diff --git a/public/js/modules/module.js b/public/js/modules/module.js new file mode 100644 index 00000000..abc6bef4 --- /dev/null +++ b/public/js/modules/module.js @@ -0,0 +1,138 @@ + +// Node Player class +class Player { + constructor(id,app,color,playerNum) { + this.initialY = app.height/2 + this.speed = 5 + this.move = { + up : false, + down : false + } + let x = 0 + if(playerNum == 1) { + x = app.width/20 - (app.width/20) // Player One position + } + if(playerNum == 2) { + x = (app.width) - (app.width/20) // Player Two position + } + this.initial = { + id : id, + width : app.width/20, + height : app.height/4, + x : x, + y : this.initialY, + color : color + } + app.nodes.push(this.initial) + this.node = app.getNode(this.initial.id) + } + + reset() { + this.node.y = this.initialY + } + + moveUp(state) { + this.move.up = state + } + + moveDown(state) { + this.move.down = state + } + + update(delta) { + if(this.move.up) { + this.node.y -= this.speed * delta + } + + if(this.move.down) { + this.node.y += this.speed * delta + } + } + + getNode() { return this.node } +} + + +// Node ball class +class Ball { + constructor(id,app,color) { + this.ref = app + this.speed = 6 + this.velocityX = 6 + this.velocityY = 6 + this.initial = { + id : id, + width : app.width/30, + height : app.height/25, + x : app.width/2, + y : app.height/2, + color : color + } + app.nodes.push(this.initial) + this.node = app.getNode(this.initial.id) + + this.score = { + one: 0, + two: 0 + } + } + + reset(resetGame) { + if(resetGame){ + this.score = { + one: 0, + two: 0 + } + } + this.node.x = this.ref.width/2 + this.node.y = this.ref.height/2 + this.speed = 6 + this.velocityX = -this.velocityX + } + + update(deltatime) { + if(deltatime < 2){ + this.node.x += this.velocityX * deltatime + this.node.y += this.velocityY * deltatime + } + + // 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) { + this.velocityY = -this.velocityY + } + + // Reset Ball when collide with left or right border to set score + if(this.node.x < 0) { + this.score.one ++ + this.reset(false) + }else if(this.node.x > this.ref.width) { + this.score.two ++ + this.reset(false) + } + } + + getNode() { return this.node } +} + +// Node text class +class Text { + constructor(id,x,y,size,text,app) { + this.ref = app + this.initial = { + id : id, + size : size, + x : x, + y : y, + text : text, + istext : true + } + app.nodes.push(this.initial) + this.node = this.ref.getNode(this.initial.id) + } + + setText(text) { + this.node.text = text + } + + getText() { return this.node } // Return text node +} \ No newline at end of file diff --git a/public/js/modules/start.js b/public/js/modules/start.js new file mode 100644 index 00000000..2c911417 --- /dev/null +++ b/public/js/modules/start.js @@ -0,0 +1,159 @@ + +var canvas = document.getElementById("canvas"); +// Set canvas and app full screen +canvas.width = window.innerWidth +canvas.height = window.innerHeight +app.width = window.innerWidth +app.height = window.innerHeight + +document.body.scrollTop = 0; // <-- pull the page back up to the top +document.body.style.overflow = 'hidden'; // <-- relevant addition + +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 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 state = 'START' + +app.onInit = function(){ + + document.addEventListener('keydown', (event) => { + const keyName = event.key + if(keyName == 'w') + PlayerOne.moveUp(true) + if(keyName == 's') + PlayerOne.moveDown(true) + + + if(keyName == 'ArrowUp') + PlayerTwo.moveUp(true) + if(keyName == 'ArrowDown') + PlayerTwo.moveDown(true) + }) + + document.addEventListener('keyup', (event) => { + const keyName = event.key + if(keyName == 'w') + PlayerOne.moveUp(false) + if(keyName == 's') + PlayerOne.moveDown(false) + + if(keyName == 'ArrowUp') + PlayerTwo.moveUp(false) + if(keyName == 'ArrowDown') + PlayerTwo.moveDown(false) + + if(keyName == 'Enter'){ + if(state == 'START') + state = 'GAME' + } + + if(keyName == ' '){ + if(state == 'GAME' || state == 'PAUSE') + this.pause() + } + + if(keyName == 'r'){ + if(state == 'PAUSE') + this.reset() + } + }) +}; + +app.onUpdate = function(time){ + let deltatime = time / (1000/60) //Run 60 frames per second (1000ms) + + switch(state) { + case 'START': + break; + + case 'GAME': + startText.setText("") + gameRuning(deltatime) + break + + case 'PAUSE': + break + } + +}; + +app.pause = function(){ + if(state == 'GAME'){ + state = 'PAUSE' + pauseText.setText("Pause") + pauseInst.setText("press 'R' for reset") + } + else{ + state = 'GAME' + pauseText.setText("") + pauseInst.setText("") + } +} + +app.reset = function(){ + PlayerOne.reset() + PlayerTwo.reset() + player1Score.setText("0") + player2Score.setText("0") + ball.reset(true) + state = 'START' + pauseText.setText("") + pauseInst.setText("") + startText.setText("Press 'Enter' to Start") +} + +function gameRuning(deltatime) { + PlayerOne.update(deltatime) + PlayerTwo.update(deltatime) + + ball.update(deltatime) + player1Score.setText(ball.score.one) + player2Score.setText(ball.score.two) + + if(collision(ball.getNode(),PlayerOne.getNode())){ + changeDirection(ball,PlayerOne,app) + } + if(collision(ball.getNode(),PlayerTwo.getNode())){ + changeDirection(ball,PlayerTwo,app) + } +} + +function collision(ball,player) { + // Check for collision between ball and player + let pTop = player.y + let pBottom = (player.y) + player.height + 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 + + // 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) { + let collideHit = ball.getNode().y - (player.getNode().y + player.getNode().height / 2) + collideHit = collideHit / (player.getNode().height / 2) + let angle = (Math.PI/4) * collideHit + + let direction = -1 + if(ball.getNode().x < app.width/2){ + direction = 1 + } + ball.velocityX = direction * ball.speed * Math.cos(angle) + ball.velocityY = direction * ball.speed * Math.sin(angle) + + ball.speed += 0.5 +} \ No newline at end of file