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【CSS3】CSSでウィンドウズモバイルのローディングアニメーションを再現する。

ローディングアニメーション第2弾。
マークアップは下記の通り。

■HTML

<div class="stage-2">
<span>Loading...</span>
<span class="l-1"></span>
<span class="l-2"></span>
<span class="l-3"></span>
<span class="l-4"></span>
<span class="l-5"></span>
<span class="l-6"></span>
</div>

■CSS

.stage-2 {
  font-family: meiryo;
  background: #fff;
  width: 200px;
  height: 100px;
  margin: 0 auto;
  padding: 100px 0 0 100px;
}
span {
	display: block; 
	margin: 0 auto;
}

span[class*="l-"] {
	height: 4px; width: 4px;
	background: #000;
	display: inline-block;
	margin: 12px 2px;
	
	border-radius: 100%;
	-webkit-border-radius: 100%;
	-moz-border-radius: 100%;
	
	-webkit-animation: loader 4s infinite;
	-webkit-animation-timing-function: cubic-bezier(0.030, 0.615, 0.995, 0.415);
	-webkit-animation-fill-mode: both;
	-moz-animation: loader 4s infinite;
	-moz-animation-timing-function: cubic-bezier(0.030, 0.615, 0.995, 0.415);
	-moz-animation-fill-mode: both;
	-ms-animation: loader 4s infinite;
	-ms-animation-timing-function: cubic-bezier(0.030, 0.615, 0.995, 0.415);
	-ms-animation-fill-mode: both;
	animation: loader 4s infinite;
	animation-timing-function: cubic-bezier(0.030, 0.615, 0.995, 0.415);
	animation-fill-mode: both;
}

span.l-1 {-webkit-animation-delay: 1s;animation-delay: 1s;-ms-animation-delay: 1s;-moz-animation-delay: 1s;}
span.l-2 {-webkit-animation-delay: 0.8s;animation-delay: 0.8s;-ms-animation-delay: 0.8s;-moz-animation-delay: 0.8s;}
span.l-3 {-webkit-animation-delay: 0.6s;animation-delay: 0.6s;-ms-animation-delay: 0.6s;-moz-animation-delay: 0.6s;}
span.l-4 {-webkit-animation-delay: 0.4s;animation-delay: 0.4s;-ms-animation-delay: 0.4s;-moz-animation-delay: 0.4s;}
span.l-5 {-webkit-animation-delay: 0.2s;animation-delay: 0.2s;-ms-animation-delay: 0.2s;-moz-animation-delay: 0.2s;}
span.l-6 {-webkit-animation-delay: 0;animation-delay: 0;-ms-animation-delay: 0;-moz-animation-delay: 0;}

@-webkit-keyframes loader {
	0% {-webkit-transform: translateX(-30px); opacity: 0;}
	25% {opacity: 1;}
	50% {-webkit-transform: translateX(30px); opacity: 0;}
	100% {opacity: 0;}
}

@-moz-keyframes loader {
	0% {-moz-transform: translateX(-30px); opacity: 0;}
	25% {opacity: 1;}
	50% {-moz-transform: translateX(30px); opacity: 0;}
	100% {opacity: 0;}
}

@-keyframes loader {
	0% {-transform: translateX(-30px); opacity: 0;}
	25% {opacity: 1;}
	50% {-transform: translateX(30px); opacity: 0;}
	100% {opacity: 0;}
}

@-ms-keyframes loader {
	0% {-ms-transform: translateX(-30px); opacity: 0;}
	25% {opacity: 1;}
	50% {-ms-transform: translateX(30px); opacity: 0;}
	100% {opacity: 0;}
}

 

【CSS3】CSSでwindows8のローディングアニメーションを再現する。

かっこいいのを見つけたのでメモ。
マークアップは下記の通り。

■HTML

<div class="stage">
<div class='loader'>
  <div class='circle'></div>
  <div class='circle'></div>
  <div class='circle'></div>
  <div class='circle'></div>
  <div class='circle'></div>
</div>
</div>

■CSS

.stage {
  background: #111;
  width: 300px;
  height: 250px;
  margin: 0 auto;
}
.loader {
  position: relative;
  padding-top: 100px;
  width: 40px;
  margin: auto;
}
.loader .circle {
  position: absolute;
  width: 38px;
  height: 38px;
  opacity: 0;
  -webkit-transform: rotate(225deg);
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-name: orbit;
  -webkit-animation-duration: 5.5s;
}
.loader .circle:after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 5px;
  background: #fff;
  /* Pick a color */
}
.loader .circle:nth-child(2) {
  -webkit-animation-delay: 240ms;
}
.loader .circle:nth-child(3) {
  -webkit-animation-delay: 480ms;
}
.loader .circle:nth-child(4) {
  -webkit-animation-delay: 720ms;
}
.loader .circle:nth-child(5) {
  -webkit-animation-delay: 960ms;
}
@-webkit-keyframes orbit {
  0% {
    -webkit-transform: rotate(225deg);
    opacity: 1;
    -webkit-animation-timing-function: ease-out;
  }
  7% {
    -webkit-transform: rotate(345deg);
    -webkit-animation-timing-function: linear;
  }
  30% {
    -webkit-transform: rotate(455deg);
    -webkit-animation-timing-function: ease-in-out;
  }
  39% {
    -webkit-transform: rotate(690deg);
    -webkit-animation-timing-function: linear;
  }
  70% {
    -webkit-transform: rotate(815deg);
    opacity: 1;
    -webkit-animation-timing-function: ease-out;
  }
  75% {
    -webkit-transform: rotate(945deg);
    -webkit-animation-timing-function: ease-out;
  }
  76% {
    -webkit-transform: rotate(945deg);
    opacity: 0;
  }
  100% {
    -webkit-transform: rotate(945deg);
    opacity: 0;
  }
}

■デモ

 

【PHP】オブジェクト内にプロパティが存在するかチェックする。

めも。

$bool = property_exists($myClass, 'propertyName');

変数の有無がブーリアンで返却される。