网页设计中添加游戏代码通常涉及使用JavaScript或HTML5制作交互式游戏。以下是一个简单的HTML5游戏代码示例:
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<!DOCTYPE html>
<html>
<head>
<title>简单游戏</title>
<style>
canvas {
border: 2px solid black;
display: block;
margin: 0 auto;
}
</style>
</head>
<body>
<canvas id="gameCanvas" width="800" height="600"></canvas>
<script>
var canvas = document.getElementById('gameCanvas');
var ctx = canvas.getContext('2d'); var x = 400;
var y = 300;
var dx = 5;
var dy = 5; function draw() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.beginPath();
ctx.arc(x, y, 20, 0, Math.PI * 2);
ctx.fillStyle = 'blue';
ctx.fill();
ctx.closePath(); if (x + dx > canvas.width || x + dx < 0) {
dx = -dx;
}
if (y + dy > canvas.height || y + dy < 0) {
dy = -dy;
} x += dx;
y += dy;
} setInterval(draw, 10);
</script>
</body>
</html>