JS實現滑鼠移動拖尾
阿新 • • 發佈:2020-12-29
本文例項為大家分享了JS實現滑鼠移動拖尾的具體程式碼,供大家參考,具體內容如下
JS 程式碼
function getMousePos(event) { var e = event || window.event; var mouseInfo = { mouseX : e.clientX,mouseY : e.clientY } return mouseInfo; } function getMouseArt() { this.artStyle = { position: "fixed",top: 0,left: 0,width: "50px",height: "50px","font-size": 0,"color": 0,"text-transform": 0 }; this.init = function(obj) { var character = ["你","真","的","愛","我","嗎","喜","歡","不","對","起","彩","色","世","界","灰","?"]; var font_trans = ["uppercase","lowercase"]; this.Alpha = 1; this.element = document.createElement('div'); var text = document.createTextNode(character[Math.floor(Math.random() * character.length)]); this.element.appendChild(text); this.addStyle(this.element,this.artStyle); var offsetV = Math.floor(Math.random() * 60 - 30); // -30 ~ 30 this.element.style.left = obj.mouseX + offsetV +"px"; // x this.element.style.top = obj.mouseY + offsetV +"px"; // y this.element.style.fontSize = Math.floor(Math.random() * 20 + 10) + "px"; this.element.style.color = "hsla("+ Math.floor(Math.random() * 255) + ",100%,50%," + this.Alpha + ")"; this.element.style.textTransform = font_trans[Math.floor(Math.random() * 2)]; document.body.appendChild(this.element); } this.addStyle = function(ele,genuine) { for (var k in genuine) { ele.style[k] = genuine[k]; } } this.delElement = function() { document.body.removeChild(this.element); } this.reduceColor = function(win) { if (this.Alpha <= 1 && this.Alpha > 0) { this.Alpha = this.Alpha - 0.1; this.element.style.color = "hsla("+ Math.floor(Math.random() * 255) + "," + this.Alpha + ")"; console.log(this.Alpha); } else { clearInterval(win); this.delElement(); } } } document.onmousemove = function(event) { var obj = getMousePos(event); var art = new getMouseArt(); art.init(obj); var win = setInterval(function() { art.reduceColor(win); },30); }
HTML 程式碼
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,initial-scale=1.0"> <title>Document</title> <style> body { background: black; } </style> </head> <body> <script src="mouse.js" type="text/javascript"></script> </body> </html>
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。