DGNum/Stirling-PDF
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controls and sizing bounds

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Anthony Stirling 2024-02-18 09:45:50 +00:00
parent 3a62d19979
commit 20cb460a7e
1 changed files with 18 additions and 10 deletions
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26
src/main/resources/static/js/game.js
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@ -26,6 +26,7 @@ function initializeGame() {
let highScore = localStorage.getItem("highScore") ? parseInt(localStorage.getItem("highScore")) : 0; let highScore = localStorage.getItem("highScore") ? parseInt(localStorage.getItem("highScore")) : 0;
updateHighScore(); updateHighScore();
const PLAYER_MOVE_SPEED = 5;
const BASE_PDF_SPEED = 1; const BASE_PDF_SPEED = 1;
const LEVEL_INCREASE_PDF_SPEED = 0.2; const LEVEL_INCREASE_PDF_SPEED = 0.2;
const BASE_SPAWN_INTERVAL_MS = 1250; // milliseconds before a new enemy spawns const BASE_SPAWN_INTERVAL_MS = 1250; // milliseconds before a new enemy spawns
@ -33,7 +34,7 @@ function initializeGame() {
const MAX_SPAWN_RATE_REDUCTION_MS = 800; // Max milliseconds from the base spawn interval const MAX_SPAWN_RATE_REDUCTION_MS = 800; // Max milliseconds from the base spawn interval
const keysPressed = {}; let keysPressed = {};
const pdfs = []; const pdfs = [];
const projectiles = []; const projectiles = [];
let score = 0; let score = 0;
@ -44,10 +45,12 @@ function initializeGame() {
function handleKeys() { function handleKeys() {
if (keysPressed["ArrowLeft"]) { if (keysPressed["ArrowLeft"]) {
playerX -= 10; playerX -= PLAYER_MOVE_SPEED;
playerX = Math.max(0, playerX)
} }
if (keysPressed["ArrowRight"]) { if (keysPressed["ArrowRight"]) {
playerX += 10; playerX += PLAYER_MOVE_SPEED;
playerX = Math.min(gameContainer.clientWidth - playerSize, playerX);
} }
if (keysPressed[" "] && !gameOver) { if (keysPressed[" "] && !gameOver) {
const currentTime = new Date().getTime(); const currentTime = new Date().getTime();
@ -59,17 +62,21 @@ function initializeGame() {
updatePlayerPosition(); updatePlayerPosition();
} }
document.addEventListener("keydown", (event) => { function onKeydown(event) {
if (event.key === " ") { if (event.key === " ") {
event.preventDefault(); event.preventDefault();
} }
keysPressed[event.key] = true; keysPressed[event.key] = true;
handleKeys(); handleKeys();
}); }
function onKeyUp(event) {
document.addEventListener("keyup", (event) => {
keysPressed[event.key] = false; keysPressed[event.key] = false;
}); }
document.removeEventListener("keydown", onKeydown);
document.removeEventListener("keyup", onKeyUp);
document.addEventListener("keydown", onKeydown);
document.addEventListener("keyup", onKeyUp);
function updatePlayerPosition() { function updatePlayerPosition() {
player.style.left = playerX + "px"; player.style.left = playerX + "px";
@ -102,7 +109,7 @@ function initializeGame() {
pdf.classList.add("pdf"); pdf.classList.add("pdf");
pdf.style.width = pdfSize + "px"; pdf.style.width = pdfSize + "px";
pdf.style.height = pdfSize + "px"; pdf.style.height = pdfSize + "px";
pdf.style.left = Math.floor(Math.random() * (gameContainer.clientWidth - pdfSize)) + "px"; pdf.style.left = Math.floor(Math.random() * (gameContainer.clientWidth - (2*pdfSize))) + pdfSize + "px";
pdf.style.top = "0px"; pdf.style.top = "0px";
gameContainer.appendChild(pdf); gameContainer.appendChild(pdf);
pdfs.push(pdf); pdfs.push(pdf);
@ -116,6 +123,7 @@ function initializeGame() {
function updateGame() { function updateGame() {
if (gameOver || paused) return; if (gameOver || paused) return;
handleKeys();
for (let pdfIndex = 0; pdfIndex < pdfs.length; pdfIndex++) { for (let pdfIndex = 0; pdfIndex < pdfs.length; pdfIndex++) {
const pdf = pdfs[pdfIndex]; const pdf = pdfs[pdfIndex];
const pdfY = parseFloat(pdf.style.top) + pdfSpeed; const pdfY = parseFloat(pdf.style.top) + pdfSpeed;