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index.html
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index.html
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<html>
<head>
<title>DVD</title>
</head>
<body>
<div id="dvd">
<svg width="153px" height="69px">
<g>
<path d="M140.186,63.52h-1.695l-0.692,5.236h-0.847l0.77-5.236h-1.693l0.076-0.694h4.158L140.186,63.52L140.186,63.52z M146.346,68.756h-0.848v-4.545l0,0l-2.389,4.545l-1-4.545l0,0l-1.462,4.545h-0.771l1.924-5.931h0.695l0.924,4.006l2.078-4.006 h0.848V68.756L146.346,68.756z M126.027,0.063H95.352c0,0-8.129,9.592-9.654,11.434c-8.064,9.715-9.523,12.32-9.779,13.02 c0.063-0.699-0.256-3.304-3.686-13.148C71.282,8.7,68.359,0.062,68.359,0.062H57.881V0L32.35,0.063H13.169l-1.97,8.131 l14.543,0.062h3.365c9.336,0,15.055,3.747,13.467,10.354c-1.717,7.24-9.91,10.416-18.545,10.416h-3.24l4.191-17.783H10.502 L4.34,37.219h20.578c15.432,0,30.168-8.13,32.709-18.608c0.508-1.906,0.443-6.67-0.764-9.527c0-0.127-0.063-0.191-0.127-0.444 c-0.064-0.063-0.127-0.509,0.127-0.571c0.128-0.062,0.383,0.189,0.445,0.254c0.127,0.317,0.19,0.57,0.19,0.57l13.083,36.965 l33.344-37.6h14.1h3.365c9.337,0,15.055,3.747,13.528,10.354c-1.778,7.24-9.972,10.416-18.608,10.416h-3.238l4.191-17.783h-14.481 l-6.159,25.976h20.576c15.434,0,30.232-8.13,32.709-18.608C152.449,8.193,141.523,0.063,126.027,0.063L126.027,0.063z M71.091,45.981c-39.123,0-70.816,4.512-70.816,10.035c0,5.59,31.693,10.034,70.816,10.034c39.121,0,70.877-4.444,70.877-10.034 C141.968,50.493,110.212,45.981,71.091,45.981L71.091,45.981z M68.55,59.573c-8.956,0-16.196-1.523-16.196-3.365 c0-1.84,7.239-3.303,16.196-3.303c8.955,0,16.195,1.463,16.195,3.303C84.745,58.05,77.505,59.573,68.55,59.573L68.55,59.573z"/>
</g>
</svg>
</div>
<script>
let dvd = document.getElementById('dvd');
let interval_id;
let x_incr = 1;
let y_incr = 1;
function init() {
dvd.style.position = 'absolute';
setInterval(frame, 5);
}
function handle_collision() {
let dvd_height = dvd.offsetHeight;
let dvd_width = dvd.offsetWidth;
let left = dvd.offsetLeft;
let top = dvd.offsetTop;
let win_height = window.innerHeight;
let win_width = window.innerWidth;
if (left <= 0 || left + dvd_width >= win_width) {
x_incr = ~x_incr + 1;
}
if (top <= 0 || top + dvd_height >= win_height) {
y_incr = ~y_incr + 1;
}
}
function frame() {
handle_collision();
dvd.style.top = dvd.offsetTop + y_incr;
dvd.style.left = dvd.offsetLeft + x_incr;
}
init();
</script>
</body>
</html>