html
html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Asteroids Mobile</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<canvas id="gameCanvas"></canvas>
<!-- On-Screen Controls -->
<div class="controls">
<div id="joystick-container">
<div id="joystick"></div>
</div>
<button id="fireButton">🔥</button>
</div>
<script src="asteroids.js"></script>
</body>
</html>
css
css
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body {
margin: 0;
overflow: hidden;
background: black;
touch-action: none;
}
canvas {
display: block;
}
/* Controls Overlay */
.controls {
position: fixed;
bottom: 10px;
width: 100%;
display: flex;
justify-content: space-between;
align-items: center;
pointer-events: none;
}
/* Joystick Container */
#joystick-container {
position: absolute;
left: 20px;
bottom: 20px;
width: 120px;
height: 120px;
js
js
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window.onload = function() {
/*** CANVAS SETUP ***/
const canvas = document.getElementById("gameCanvas");
const ctx = canvas.getContext("2d");
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
resizeCanvas();
window.addEventListener("resize", resizeCanvas);
/*** GAME VARIABLES ***/
let bullets = [];
let particles = [];
let asteroids = [];
let explosions = [];
let score = 0;
let gameOver = false;
let ship = {
x: canvas.width / 2,
y: canvas.height / 2,
angle: 0,
velX: 0,
velY: 0,
speed: 0.08,
friction: 0.98,
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