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JAVASCRIPT STEP 56 - 이동하는 고양이를 잡기
IT의 큰손
2023. 4. 28. 17:41
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★ 이동하는 고양이를 잡기
- 이동하는 고양이를 클릭하여 포착하기
■ HTML 코드
<body oncontextmenu="return false" ondragstart="return false" onselectstart="return false">
<div id="box">
<div id="bar1"></div>
<div id="bar2"></div>
</div>
</body>■ CSS 코드
<style>
body { background-color: #444; margin-top: 150px; }
#box { border: 10px solid black; width: 700px; height: 700px; margin: 50px auto; overflow: hidden; position: relative; left: 0px; top: 0px; background-color: white; border-radius: 50%;}
#bar1 { border-top: 3px solid tomato; width: 700px; position: absolute; left: 0px; top: 348px; }
#bar2 { border-top: 3px solid tomato; width: 700px; position: absolute; left: 0px; top: 348px; transform: rotate(90deg); }
</style>■ JavaScript
<script>
var box;
var timer;
var cat;
var catTimer;
window.onload = function() {
box = document.getElementById("box");
timer = setTimeout(run, (parseInt(Math.random() * 3) + 3) * 1000);
box.onmousedown = function() {
if (parseInt(cat.style.left) >= 222 && parseInt(cat.style.left) <= 345) {
box.style.backgroundColor = "rgba(255, 0, 0, .6)";
clearInterval(catTimer);
clearTimeout(timer);
} else {
box.style.backgroundColor = "rgba(255, 0, 0, .6)";
setTimeout(function() {
box.style.backgroundColor = "white";
}, 100);
}
};
};
function run() {
if (cat != null) {
box.removeChild(cat);
clearInterval(catTimer);
}
cat = document.createElement("img");
cat.src = "images/catty0" + (parseInt(Math.random() * 9) + 1) + ".png";
cat.style.position = "relative";
cat.style.left = "-130px";
cat.style.top = "286px";
box.appendChild(cat);
catTimer = setInterval(function() {
cat.style.left = parseInt(cat.style.left) + 10 + "px";
}, parseInt(Math.random() * 30));
timer = setTimeout(run, (parseInt(Math.random() * 3) + 3) * 1000);
}
</script>■ 실행 결과
■ 시뮬레이션
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