Curso Básico con Énfasis Programación de Robots Virtuales

.text { position: absolute; width: 450px; left: 50%; margin-left: -225px; height: 40px; top: 50%; margin-top: -20px; } .word { position: absolute; width: 220px; opacity: 0; } .letter { display: inline-block; position: relative; float: left; transform: translateZ(25px); transform-origin: 50% 50% 25px; } .letter.out { transform: rotateX(90deg); transition: transform 0.32s cubic-bezier(0.55, 0.055, 0.675, 0.19); } .letter.behind { transform: rotateX(-90deg); } .letter.in { transform: rotateX(0deg); transition: transform 0.38s cubic-bezier(0.175, 0.885, 0.32, 1.275); } .wisteria { color: #8e44ad; } .belize { color: #2980b9; } .pomegranate { color: #c0392b; } .green { color: #16a085; } .midnight { color: #2c3e50; } var words = document.getElementsByClassName("word"); var wordArray = []; var currentWord = 0; words[currentWord].style.opacity = 1; for (var i = 0; i < words.length; i++) { splitLetters(words[i]); } function changeWord() { var cw = wordArray[currentWord]; var nw = currentWord == words.length - 1 ? wordArray[0] : wordArray[currentWord + 1]; for (var i = 0; i < cw.length; i++) { animateLetterOut(cw, i); } for (var i = 0; i < nw.length; i++) { nw[i].className = "letter behind"; nw[0].parentElement.style.opacity = 1; animateLetterIn(nw, i); } currentWord = currentWord == wordArray.length - 1 ? 0 : currentWord + 1; } function animateLetterOut(cw, i) { setTimeout(function () { cw[i].className = "letter out"; }, i * 80); } function animateLetterIn(nw, i) { setTimeout(function () { nw[i].className = "letter in"; }, 340 + i * 80); } function splitLetters(word) { var content = word.innerHTML; word.innerHTML = ""; var letters = []; for (var i = 0; i < content.length; i++) { var letter = document.createElement("span"); letter.className = "letter"; letter.innerHTML = content.charAt(i); word.appendChild(letter); letters.push(letter); } wordArray.push(letters); } changeWord(); setInterval(changeWord, 4000);