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index.js
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index.js
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/*
ATTEMPT TO PUT ALL LISTENERS INTO A FUNCTION TO BE CALLED WITH INIT
FIGURE OUT RESIZING OF CANVAS WHEN WINDOW CHANGES --- Already tried everything and nothing works
KEEP WORKING ON PADDLE AND BALL COLLISIONS
-ball and paddle clip when coming into contact on left and right sides when paddle is moving towards ball
-I think this has something to do with the y velocity changing only if its farther than paddle x
- I need to change the x velocity when the ball x + r > paddle x + w || < paddle x
*/
document.addEventListener('DOMContentLoaded', init);
function init(){
let StoredRecords = localStorage.getItem('HighScores') ? JSON.parse(localStorage.getItem('HighScores')) : localStorage.setItem('HighScores', JSON.stringify([]));
AddRecordsFromStorage(StoredRecords);
// Initialize all objects to be displayed
let field = new Field(canvas);
let paddle = new Paddle(field);
let ball = new Ball(field, (field.width/2), 25, 10); // Figure a ratio for the radius relative to window size
let scoreboard = new ScoreBoard(ScoreOutput, LevelOutput, TimerOutput);
let game = new Game(field, paddle, ball, scoreboard);
//game.renderGame();
// Controls
addColorInputListeners();
addKeyListeners(paddle);
document.addEventListener('keypress',(ev)=>{
let char = ev.key;
switch(char){
case 's':
BeginGame();
break;
case 'r':
ResetGame();
break;
}
});
ConfirmSaveButton.addEventListener('click',(ev)=>{
ev.preventDefault();
const ScoreObject = GetScore();
SaveScoreToStorage(ScoreObject);
// UPDATE THE HIGHSCORE PAGE
CloseSaveMenu();
NameInput.value = "";
});
CancelSaveButton.addEventListener('click', (ev)=>{
ev.preventDefault();
CloseSaveMenu();
// Do not clear the innerText of the elements so any unsaved score will still be stored in the element text field;
});
BeginButton.addEventListener('click', (ev)=>{
// Begin Game
BeginGame();
BeginButton.style.animation = 'buttonPressed 250ms linear forwards';
AgainButton.style.animation = 'none';
});
AgainButton.addEventListener('click', (ev)=>{
// Reset Game
ResetGame();
BeginButton.style.animation = 'none';
AgainButton.style.animation = 'buttonPressed 250ms linear forwards';
});
SaveButton.addEventListener('click', (ev)=>{
ev.preventDefault();
OpenSaveMenu();
DisplayDataToSave(scoreboard);
});
MenuButton.addEventListener('click', (ev)=>{
document.querySelector('.menu').classList.toggle('open');
});
HighScoresButton.addEventListener('click', (ev)=>{
document.querySelector('.highscore-page').classList.add('retrieve-scores');
});
CloseHighScoresButton.addEventListener('click', (ev)=>{
document.querySelector('.highscore-page').classList.remove('retrieve-scores');
});
canvas.addEventListener('mousedown',(ev)=>{
ev.preventDefault();
pointerPosition.x = ev.clientX;
pointerPosition.y = ev.clientY;
if(pointerPosition.x < field.width/2){
paddle.speed = 10;
paddle.moveLeft = true;
}else if(pointerPosition.x > field.width/2){
paddle.speed = 10;
paddle.moveRight = true;
}
});
canvas.addEventListener('mouseup',(ev)=>{
paddle.speed = 0;
paddle.moveLeft = false;
paddle.moveRight = false;
});
canvas.addEventListener('touchstart',(ev)=>{
ev.preventDefault();
pointerPosition.x = ev.touches[0].clientX;
pointerPosition.y = ev.touches[0].clientY;
if(pointerPosition.x < field.width/2){
paddle.speed = 10;
paddle.moveLeft = true;
}else if(pointerPosition.x > field.width/2){
paddle.speed = 10;
paddle.moveRight = true;
}
});
canvas.addEventListener('touchend',(ev)=>{
paddle.speed = 0;
paddle.moveLeft = false;
paddle.moveRight = false;
});
// Animating
function animate(){
field.ctx.clearRect(0,0,field.width,field.height);
game.renderGame();
requestAnimationFrame(animate);
}
animate();
function BeginGame(){
ball.speed = 5;
let v = new UnitVector().multiply(ball.speed);
ball.velocity = v;
interval = setInterval(StartTimer,1000);
}
function ResetGame(){
ball.position = ball.startingPosition;
ball.velocity = new Vector(0,0);
scoreboard.reset();
clearInterval(interval);
}
function StartTimer(){
scoreboard.second++;
if(scoreboard.second % 30 === 0){
scoreboard.level++;
}
if(scoreboard.second % 60 === 0){
scoreboard.second = 0;
scoreboard.minute++
}
if(scoreboard.second > 9){
scoreboard.time = `${scoreboard.minute}:${scoreboard.second}`;
}else{
scoreboard.time = `${scoreboard.minute}:0${scoreboard.second}`;
}
}
function AddRecordsFromStorage(StoredRecords){
const RecordsTableBody = document.querySelector('tbody');
if(StoredRecords.length === 0){
let p = document.createElement('p');
p.style.color = 'var(--text-color)';
p.style.textAlign = 'center';
p.style.padding = '1rem';
p.innerText = 'You should play the game first';
document.querySelector('.highscore-page-content').appendChild(p);
}else{
StoredRecords.forEach( record =>{
let row = document.createElement('tr');
row.innerHTML = `<td>${record.id}</td>
<td>${record.score}</td>
<td>${record.level}</td>
<td>${record.time}</td>`;
RecordsTableBody.appendChild(row);
});
}
}
}
function addColorInputListeners(){
PrimaryColorInput.addEventListener('change', (ev)=>{
root.style.setProperty('--primary-color', ev.target.value);
});
ButtonsColorInput.addEventListener('change', (ev)=>{
root.style.setProperty('--buttons-color', ev.target.value);
});
TextColorInput.addEventListener('change', (ev)=>{
root.style.setProperty('--text-color', ev.target.value);
});
BallColorInput.addEventListener('change', (ev)=>{
ball.color = ev.target.value;
});
PaddleColorInput.addEventListener('change', (ev)=>{
paddle.color = ev.target.value;
});
TableColorInput.addEventListener('change', (ev)=>{
root.style.setProperty('--table-color', ev.target.value);
});
}
function addKeyListeners(paddle){
document.addEventListener('keydown', (ev)=>{
let char = ev.key;
switch(char){
case 'ArrowLeft':
// move paddle up
paddle.speed = 10;
paddle.moveLeft = true;
break;
case 'ArrowRight':
// move paddle down
paddle.speed = 10;
paddle.moveRight = true;
break;
}
});
document.addEventListener('keyup', (ev)=>{
let char = ev.key;
switch(char){
case 'ArrowLeft':
// stop paddle moving
paddle.speed = 0;
paddle.moveLeft = false;
break;
case 'ArrowRight':
// stop paddle moving
paddle.speed = 0;
paddle.moveRight = false;
break;
}
});
}
function OpenSaveMenu(){
document.querySelector('.saving-container').classList.add('open-save-menu');
document.querySelectorAll('.decorative-bar').forEach(bar => bar.classList.add('extend-bar'));
document.querySelector('.saving-container-content').classList.add('fadeIn');
}
function DisplayDataToSave(scoreboard){
// display scoreboard data in Save display fields
document.getElementById('SaveScoreDataDisplay').innerText = scoreboard.score;
document.getElementById('SaveLevelDataDisplay').innerText = scoreboard.level;
document.getElementById('SaveTimeDataDisplay').innerText = scoreboard.time;
}
function CloseSaveMenu(){
document.querySelector('.saving-container').classList.remove('open-save-menu');
document.querySelectorAll('.decorative-bar').forEach(bar => bar.classList.remove('extend-bar'));
document.querySelector('.saving-container-content').classList.remove('fadeIn');
}
function GetScore(){
obj = {
id: NameInput.value,
score: document.getElementById('SaveScoreDataDisplay').innerText,
level: document.getElementById('SaveLevelDataDisplay').innerText,
time: document.getElementById('SaveTimeDataDisplay').innerText
}
return obj;
}
function SaveScoreToStorage(score){
const storage = JSON.parse(localStorage.getItem('HighScores'));
storage.push(score)
localStorage.setItem('HighScores', JSON.stringify(storage))
}