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鼠标单击心型特效,烂大街了
当前为
// ==UserScript==
// @name 鼠标单击心型特效
// @namespace /
// @version 0.1
// @description 鼠标单击心型特效,烂大街了
// @author HackPig520
// @match *://*/*
// @license MIT
// @grant none
// ==/UserScript==
(function (window, document, undefined) {
var hearts = [];
window.requestAnimationFrame = (function () {
return (
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (callback) {
setTimeout(callback, 1000 / 60);
}
);
})();
init();
function init() {
css(
".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}"
);
attachEvent();
gameloop();
}
function gameloop() {
for (var i = 0; i < hearts.length; i++) {
if (hearts[i].alpha <= 0) {
document.body.removeChild(hearts[i].el);
hearts.splice(i, 1);
continue;
}
hearts[i].y--;
hearts[i].scale += 0.004;
hearts[i].alpha -= 0.013;
hearts[i].el.style.cssText =
"left:" +
hearts[i].x +
"px;top:" +
hearts[i].y +
"px;opacity:" +
hearts[i].alpha +
";transform:scale(" +
hearts[i].scale +
"," +
hearts[i].scale +
") rotate(45deg);background:" +
hearts[i].color;
}
requestAnimationFrame(gameloop);
}
function attachEvent() {
var old = typeof window.οnclick === "function" && window.onclick;
window.onclick = function (event) {
old && old();
createHeart(event);
};
}
function createHeart(event) {
var d = document.createElement("div");
d.className = "heart";
hearts.push({
el: d,
x: event.clientX - 5,
y: event.clientY - 5,
scale: 1,
alpha: 1,
color: randomColor()
});
document.body.appendChild(d);
}
function css(css) {
var style = document.createElement("style");
style.type = "text/css";
try {
style.appendChild(document.createTextNode(css));
} catch (ex) {
style.styleSheet.cssText = css;
}
document.getElementsByTagName("head")[0].appendChild(style);
}
function randomColor() {
return (
"rgb(" +
~~(Math.random() * 255) +
"," +
~~(Math.random() * 255) +
"," +
~~(Math.random() * 255) +
")"
);
}
})(window, document);