天气动画选项卡

下载代码

html

css

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html

css

@import "https://fonts.googleapis.com/css?family=Lato:300";
@import "https://cdnjs.cloudflare.com/ajax/libs/weather-icons/2.0.9/css/weather-icons.min.css";
html, body, .background {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Lato', sans-serif;
}

html {
  background: #fff;
}

body {
  background: #eee;
  background: -webkit-linear-gradient(bottom, rgba(0, 0, 200, 0.2), rgba(0, 0, 200, 0));
  background: linear-gradient(0deg, rgba(0, 0, 200, 0.2), rgba(0, 0, 200, 0));
}

.background {
  background: #eee;
  background: -webkit-linear-gradient(330deg, rgba(50, 150, 100, 0.2), rgba(0, 0, 100, 0));
  background: linear-gradient(120deg, rgba(50, 150, 100, 0.2), rgba(0, 0, 100, 0));
}

.container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: auto;
  position: relative;
  background: #eee;
  background: -webkit-linear-gradient(210deg, rgba(150, 50, 50, 0.3), rgba(0, 0, 200, 0));
  background: linear-gradient(240deg, rgba(150, 50, 50, 0.3), rgba(0, 0, 200, 0));
}

nav ul {
  margin: 20px 20px 0 20px;
  list-style-type: none;
  padding: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
}
nav li a {
  display: block;
  width: 50px;
  text-align: center;
  color: #aaa;
  cursor: pointer;
}
nav li a:hover {
  color: #444;
}
nav li a.active {
  color: #4444ff;
}

#card {
  box-shadow: 9px 7px 40px -6px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  width: 300px;
  padding: 0;
  height: 400px;
  min-height: 300px;
  margin: 20px;
  border-radius: 5px;
  position: relative;
}
#card .details {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  color: #888;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-transition: color 2s ease;
  transition: color 2s ease;
}
.thunder #card .details {
  color: #ddd;
}
#card .details .right {
  text-align: right;
}
#card .details #date {
  margin: 4px 0;
}
#card .details #summary {
  font-weight: 600;
  font-size: 22px;
}
#card .details .temp {
  font-size: 60px;
  line-height: 60px;
}
#card .details .temp span {
  font-size: 18px;
  line-height: 30px;
  vertical-align: top;
  margin-left: 5px;
}

.weather {
  background-color: #DAE3FD;
  -webkit-transition: background-color 2s ease;
  transition: background-color 2s ease;
}
.thunder .weather {
  background-color: #9FA4AD;
}
.rain .weather {
  background-color: #D8D8D8;
}
.sun .weather {
  background-color: #ccccff;
}
.weather #inner {
  background-color: white;
  background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 100%);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 100%);
}
.weather .cloud {
  -webkit-transition: fill 2s ease;
  transition: fill 2s ease;
}
.weather #cloud1 {
  fill: #efefef;
}
.thunder .weather #cloud1 {
  fill: #9FA4AD;
}
.weather #cloud2 {
  fill: #E6E6E6;
}
.thunder .weather #cloud2 {
  fill: #8B8E98;
}
.weather #cloud3 {
  fill: #D5D5D5;
}
.thunder .weather #cloud3 {
  fill: #7B7988;
}

#outer, #back {
  position: fixed;
  pointer-events: none;
}

JavaScript

// ?? Fetch all DOM nodes in jQuery and Snap SVG

var container = $('.container');
var card = $('#card');
var innerSVG = Snap('#inner');
var outerSVG = Snap('#outer');
var backSVG = Snap('#back');
var summary = $('#summary');
var date = $('#date');
var weatherContainer1 = Snap.select('#layer1');
var weatherContainer2 = Snap.select('#layer2');
var weatherContainer3 = Snap.select('#layer3');
var innerRainHolder1 = weatherContainer1.group();
var innerRainHolder2 = weatherContainer2.group();
var innerRainHolder3 = weatherContainer3.group();
var innerLeafHolder = weatherContainer1.group();
var innerSnowHolder = weatherContainer1.group();
var innerLightningHolder = weatherContainer1.group();
var leafMask = outerSVG.rect();
var leaf = Snap.select('#leaf');
var sun = Snap.select('#sun');
var sunburst = Snap.select('#sunburst');
var outerSplashHolder = outerSVG.group();
var outerLeafHolder = outerSVG.group();
var outerSnowHolder = outerSVG.group();

var lightningTimeout;

// Set mask for leaf holder

outerLeafHolder.attr({
	'clip-path': leafMask
});

// create sizes object, we update this later

var sizes = {
	container: {width: 0, height: 0},
	card: {width: 0, height: 0}
}

// grab cloud groups

var clouds = [
	{group: Snap.select('#cloud1')},
	{group: Snap.select('#cloud2')},
	{group: Snap.select('#cloud3')}
]

// set weather types ?? ?? ?? ? ??

var weather = [
	{ type: 'snow', name: 'Snow'}, 
	{ type: 'wind', name: 'Windy'}, 
	{ type: 'rain', name: 'Rain'}, 
	{ type: 'thunder', name: 'Storms'},
	{ type: 'sun', name: 'Sunny'}
];

// ?? app settings
// in an object so the values can be animated in tweenmax

var settings = {
	windSpeed: 2,
	rainCount: 0,
	leafCount: 0,
	snowCount: 0,
	cloudHeight: 100,
	cloudSpace: 30,
	cloudArch: 50,
	renewCheck: 10,
	splashBounce: 80
};

var tickCount = 0;
var rain = [];
var leafs = [];
var snow = [];

// ? initialize app

init();

// ?? watch for window resize

$(window).resize(onResize);

// ?? start animations

requestAnimationFrame(tick);

function drawCloud(cloud, i)
{
	/* 
	
	?? We want to create a shape thats loopable but that can also
	be animated in and out. So we use Snap SVG to draw a shape
	with 4 sections. The 2 ends and 2 arches the same width as
	the card. So the final shape is about 4 x the width of the
	card.
	
	*/
	
	var space  = settings.cloudSpace * i;
	var height = space + settings.cloudHeight;
	var arch = height + settings.cloudArch + (Math.random() * settings.cloudArch);
	var width = sizes.card.width;
	
	var points = [];
	points.push('M' + [-(width), 0].join(','));
	points.push([width, 0].join(','));
	points.push('Q' + [width * 2, height / 2].join(','));
	points.push([width, height].join(','));
	points.push('Q' + [width * 0.5, arch].join(','));
	points.push([0, height].join(','));
	points.push('Q' + [width * -0.5, arch].join(','));
	points.push([-width, height].join(','));
	points.push('Q' + [- (width * 2), height/2].join(','));
	points.push([-(width), 0].join(','));
	
	var path = points.join(' ');
	if(!cloud.path) cloud.path = cloud.group.path();
	cloud.path.animate({
  		d: path
	}, 0)
}

function makeSplash(x, type)
{
	// ?? The splash is a single line added to the outer svg.

// The splashLength is how long the animated line will be
	var splashLength = type == 'thunder' ? 30 : 20;
	
	// splashBounce is the max height the line will curve up
	// before falling
	var splashBounce = type == 'thunder' ? 120 : 100;
	
	// this sets how far down the line can fall
	var splashDistance = 80;
	
	// because the storm rain is longer we want the animation
	// to last slighly longer so the overall speed is roughly
	// the same for both
	var speed = type == 'thunder' ? 0.7 : 0.5;
	
	// Set a random splash up amount based on the max splash bounce
	var splashUp = 0 - (Math.random() * splashBounce);
	
	// Sets the end x position, and in turn defines the splash direction
	var randomX = ((Math.random() * splashDistance) - (splashDistance / 2));
	
	// Now we put the 3 line coordinates into an array. 
	
	var points = [];
	points.push('M' + 0 + ',' + 0);
    points.push('Q' + randomX + ',' + splashUp);
    points.push((randomX * 2) + ',' + splashDistance);
	
	// Draw the line with Snap SVG
	
	var splash = outerSplashHolder.path(points.join(' ')).attr({
      	fill: "none",
      	stroke: type == 'thunder' ? '#777' : '#0000ff',
      	strokeWidth: 1
    });
	
	// We animate the dasharray to have the line travel along the path 
	
	var pathLength = Snap.path.getTotalLength(splash);
	var xOffset = sizes.card.offset.left;//(sizes.container.width - sizes.card.width) / 2
	var yOffset = sizes.card.offset.top + sizes.card.height; 
    splash.node.style.strokeDasharray = splashLength + ' ' + pathLength;
	
	// Start the splash animation, calling onSplashComplete when finished
	TweenMax.fromTo(splash.node, speed, {strokeWidth: 2, y: yOffset, x: xOffset + 20 + x, opacity: 1, strokeDashoffset: splashLength}, {strokeWidth: 0, strokeDashoffset: - pathLength, opacity: 1, onComplete: onSplashComplete, onCompleteParams: [splash], ease:  SlowMo.ease.config(0.4, 0.1, false)})
}

function onSplashComplete(splash)
{
	// ?? The splash has finished animating, we need to get rid of it
	
	splash.remove();
	splash = null;
}

function onLeafEnd(leaf)
{
	leaf.remove();
	leaf = null;
	
	for(var i in leafs)
	{
		if(!leafs[i].paper) leafs.splice(i, 1);
	}
	
	if(leafs.length < settings.leafCount)
	{
		makeLeaf();
	}
}

function onSnowEnd(flake)
{
	flake.remove();
	flake = null;
	
	for(var i in snow)
	{
		if(!snow[i].paper) snow.splice(i, 1);
	}
	
	if(snow.length < settings.snowCount)
	{
		makeSnow();
	}
}

function reset()
{
	for(var i = 0; i < weather.length; i++)
	{
		container.removeClass(weather[i].type);
		weather[i].button.removeClass('active');
	}
}

function updateSummaryText()
{
	summary.html(currentWeather.name);
	TweenMax.fromTo(summary, 1.5, {x: 30}, {opacity: 1, x: 0, ease: Power4.easeOut});
}

function startLightningTimer()
{
	if(lightningTimeout) clearTimeout(lightningTimeout);
	if(currentWeather.type == 'thunder')
	{
		lightningTimeout = setTimeout(lightning, Math.random()*6000);
	}	
}

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