先看效果:
可互动的小场景
再看代码: JS部分
<script>var rotateDiv = document.getElementById('rot');var rotateIcons = document.getElementById('rot-icons');var clickRotateDiv = document.getElementById('click-rot');var angle = 0;clickRotateDiv.onclick = function() {angle += 60;rotateDiv.style.transform = 'rotate(' + angle + 'deg)';rotateIcons.style.transform = 'rotate(' + angle + 'deg)';};var step = 2;var color1 = 'rgba(0,0,0,0.5)';var color2 = 'rgba(0,0,0,0.1)';var gradient = ' conic-gradient(';for (var i = 0; i < 360; i += step) {var color = i % (2 * step) === 0 ? color1 : color2;gradient += color + ' ' + i + 'deg, ';}gradient = gradient.slice(0, -2) + '), rgb(85 93 108)';rotateDiv.style.background = gradient;var toggles = document.querySelectorAll('.toggle');var tempElement = document.querySelector('.temp');let isAnimating = false; // 添加标志以指示动画是否处于活动状态toggles.forEach(function(toggle) {toggle.addEventListener('click', function() {if (this.classList.contains('active') || isAnimating) { // 检查动画是否处于活动状态return;}toggles.forEach(function(toggle) {toggle.classList.remove('active');});this.classList.add('active');var tempValue = parseFloat(tempElement.textContent);if (this.id === 'toggle-cel') {var celsius = Math.round((tempValue - 32) * 5 / 9);tempElement.textContent = celsius + '°C';} else if (this.id === 'toggle-far') {var fahrenheit = Math.round(tempValue * 9 / 5 + 32);tempElement.textContent = fahrenheit + '°F';}});});let currentTempF = 34; // 使用以华氏度为单位的初始温度进行初始化function easeInOutCubic(t) {return t<.5 ? 4*t*t*t : (t-1)*(2*t-2)*(2*t-2)+1;}function changeTemp(element, newTemp) {let unit = element.innerHTML.includes("F") ? "°F" : "°C";let currentTemp = unit === "°F" ? currentTempF : Math.round((currentTempF - 32) * 5 / 9);let finalTemp = unit === "°F" ? newTemp : Math.round((newTemp - 32) * 5 / 9);let duration = 2000; // 动画的持续时间(毫秒)let startTime = null;function animate(currentTime) {if (startTime === null) {startTime = currentTime;}let elapsed = currentTime - startTime;let progress = Math.min(elapsed / duration, 1);progress = easeInOutCubic(progress);let tempNow = Math.round(currentTemp + (progress * (finalTemp - currentTemp)));element.innerHTML = `${tempNow}${unit}`;if (progress < 1) {requestAnimationFrame(animate);} else {// 动画完成后更新currentTempFcurrentTempF = newTemp;isAnimating = false; // 动画完成后重置标志}}isAnimating = true; // 动画开始时设置标志requestAnimationFrame(animate);}window.onload = function() {const sixths = Array.from(document.querySelectorAll('.sixths'));let index = 0;let temp = document.querySelector('.temp');document.querySelector('#rot-icons').addEventListener('click', () => {sixths[index].classList.remove('active');index = (index + 1) % sixths.length;sixths[index].classList.add('active');if (index == 0 ) {changeTemp(temp, 34);console.log("sun")document.querySelector('#mountains').classList.remove("snow");document.querySelector('#mountains').classList.remove("clouds");} else if (index == 1) {changeTemp(temp, 27);console.log("sunset")document.querySelector('#mountains').classList.add("sunset");} else if (index == 2) {changeTemp(temp, 14);console.log("moon")document.querySelector('#mountains').classList.remove("sunset");document.querySelector('#mountains').classList.add("moon");} else if (index == 3) {changeTemp(temp, 16);console.log("clouds")document.querySelector('#mountains').classList.add("clouds");} else if (index == 4) {changeTemp(temp, 8);console.log("storm")document.querySelector('#mountains').classList.add("storm");} else if (index == 5) {changeTemp(temp, -4);console.log("snow")document.querySelector('#mountains').classList.remove("moon");document.querySelector('#mountains').classList.remove("storm");document.querySelector('#mountains').classList.add("snow");}let loadingBar = document.querySelector('.loading-bar');loadingBar.classList.add('active');setTimeout(() => {loadingBar.classList.remove('active');}, 1200);});};
</script>