starting to work on the endless runner
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3 changed files with 120 additions and 2 deletions
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@ -3,7 +3,7 @@
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Document</title>
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<title>Endless runner</title>
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<link
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rel="apple-touch-icon"
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sizes="180x180"
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@ -23,5 +23,11 @@
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/>
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<link rel="manifest" href="../../favicon_io/site.webmanifest" />
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</head>
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<body></body>
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<body>
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<div class="game-container">
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<canvas id="gameCanvas"></canvas>
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<button id="restartBtn" onclick="restartGame()">Restart</button>
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</div>
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<script src="script.js"></script>
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</body>
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</html>
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import { useEffect, useRef, useState } from "react";
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export default function EndlessRunner() {
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const canvasRef = useRef(null);
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const [running, setRunning] = useState(true);
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const player = { x: 50, y: 150, width: 20, height: 20, dy: 0 };
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const gravity = 0.5;
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let obstacles = [];
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let score = 0;
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useEffect(() => {
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const canvas = canvasRef.current;
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const ctx = canvas.getContext("2d");
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canvas.width = window.innerWidth;
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canvas.height = 300;
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function update() {
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if (!running) return;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Player physics
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player.dy += gravity;
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player.y += player.dy;
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if (player.y > 150) {
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player.y = 150;
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player.dy = 0;
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}
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// Draw player
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ctx.fillStyle = "blue";
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ctx.fillRect(player.x, player.y, player.width, player.height);
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// Obstacles
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if (Math.random() < 0.02) {
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obstacles.push({ x: canvas.width, y: 150, width: 20, height: 20 });
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}
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obstacles = obstacles.map(obstacle => ({ ...obstacle, x: obstacle.x - 5 }));
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obstacles = obstacles.filter(obstacle => obstacle.x + obstacle.width > 0);
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obstacles.forEach(obstacle => {
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ctx.fillStyle = "red";
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ctx.fillRect(obstacle.x, obstacle.y, obstacle.width, obstacle.height);
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// Collision detection
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if (
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player.x < obstacle.x + obstacle.width &&
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player.x + player.width > obstacle.x &&
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player.y < obstacle.y + obstacle.height &&
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player.y + player.height > obstacle.y
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) {
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setRunning(false);
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}
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});
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// Score
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score++;
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ctx.fillStyle = "black";
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ctx.fillText("Score: " + score, 10, 20);
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requestAnimationFrame(update);
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}
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update();
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}, [running]);
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function jump() {
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if (player.y >= 150) {
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player.dy = -10;
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}
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}
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return (
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<div className="flex flex-col items-center">
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<canvas ref={canvasRef} className="border" onClick={jump}></canvas>
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{!running && <button onClick={() => window.location.reload()} className="mt-4 bg-blue-500 text-white px-4 py-2 rounded">Restart</button>}
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</div>
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);
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}
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@ -0,0 +1,34 @@
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body {
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margin: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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background-color: #f4f4f4;
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}
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.game-container {
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position: relative;
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text-align: center;
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}
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canvas {
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border: 2px solid black;
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background-color: white;
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display: block;
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}
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#restartBtn {
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margin-top: 10px;
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padding: 10px 20px;
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font-size: 16px;
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background-color: #007bff;
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color: white;
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border: none;
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cursor: pointer;
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display: none;
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}
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#restartBtn:hover {
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background-color: #0056b3;
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}
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