51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
/*Add events to webpage*/
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var intervals = []
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function showDisplay(mode) {
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for (let element of document.body.getElementsByTagName("*")) {
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element.style.display = mode;
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}
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}
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/*Registers interval functions and trigger functions*/
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function load() {
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document.addEventListener("keydown", getKey)
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document.addEventListener("keyup", stop)
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intervals.push(setInterval(move, 10));
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document.getElementById("start").addEventListener("click", startGame)
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showDisplay("none");
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document.getElementById("start").style.display = "block";
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}
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/*Starts game functionality*/
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function startGame() {
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showDisplay("block");
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document.getElementById("start").style.display = "none";
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document.getElementsByClassName("weapon")[0].style.display = "none";
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intervals.push(setInterval(spawnEnemy, 2500));
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setTimeout(intervals.push(setInterval(fall, 50)), 2500);
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intervals.push(setInterval(checkExplosion, 1));
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}
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function endGame() {
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for (let item of intervals) {
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clearInterval(item);
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}
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for (let item of document.getElementsByClassName("bomb")) {
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item.remove();
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}
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for (let item of document.getElementsByClassName("explosions")) {
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item.remove();
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}
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for (let alien of aliens) {
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clearInterval(alien[1]);
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alien[0].remove();
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}
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}
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document.addEventListener("DOMContentLoaded", load);
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