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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title>CSS Animation Test</title> |
| 5 <meta name="viewport" content="initial-scale=0.60, minimum-scale=0.60, maxim
um-scale=0.60"> |
| 6 <style type="text/css"> |
| 7 |
| 8 #stage { |
| 9 margin: 150px auto; |
| 10 width: 600px; |
| 11 height: 400px; |
| 12 /* |
| 13 |
| 14 Setting the perspective of the contents of the stage |
| 15 but not the stage itself |
| 16 |
| 17 */ |
| 18 -webkit-perspective: 800; |
| 19 } |
| 20 |
| 21 #rotate { |
| 22 margin: 0 auto; |
| 23 width: 600px; |
| 24 height: 400px; |
| 25 /* Ensure that we're in 3D space */ |
| 26 -webkit-transform-style: preserve-3d; |
| 27 /* |
| 28 Make the whole set of rows use the x-axis spin animation |
| 29 for a duration of 7 seconds, running infinitely and linearly |
| 30 */ |
| 31 -webkit-animation-name: x-spin; |
| 32 -webkit-animation-duration: 7s; |
| 33 -webkit-animation-iteration-count: infinite; |
| 34 -webkit-animation-timing-function: linear; |
| 35 } |
| 36 |
| 37 .ring { |
| 38 margin: 0 auto; |
| 39 height: 110px; |
| 40 width: 600px; |
| 41 -webkit-transform-style: preserve-3d; |
| 42 -webkit-animation-iteration-count: infinite; |
| 43 -webkit-animation-timing-function: linear; |
| 44 } |
| 45 |
| 46 .ring > :nth-child(odd) { |
| 47 background-color: #995C7F; |
| 48 } |
| 49 |
| 50 .ring > :nth-child(even) { |
| 51 background-color: #835A99; |
| 52 } |
| 53 |
| 54 .poster { |
| 55 position: absolute; |
| 56 left: 250px; |
| 57 width: 100px; |
| 58 height: 100px; |
| 59 opacity: 0.7; |
| 60 color: rgba(0,0,0,0.9); |
| 61 -webkit-border-radius: 10px; |
| 62 } |
| 63 |
| 64 .poster > p { |
| 65 font-family: 'Georgia', serif; |
| 66 font-size: 36px; |
| 67 font-weight: bold; |
| 68 text-align: center; |
| 69 margin-top: 28px; |
| 70 } |
| 71 |
| 72 /* |
| 73 Set up each row to have a different animation duration |
| 74 and alternating y-axis rotation directions. |
| 75 */ |
| 76 #ring-1 { |
| 77 -webkit-animation-name: y-spin; |
| 78 -webkit-animation-duration: 5s; |
| 79 } |
| 80 |
| 81 #ring-2 { |
| 82 -webkit-animation-name: back-y-spin; |
| 83 -webkit-animation-duration: 4s; |
| 84 } |
| 85 |
| 86 #ring-3 { |
| 87 -webkit-animation-name: y-spin; |
| 88 -webkit-animation-duration: 3s; |
| 89 } |
| 90 |
| 91 /* |
| 92 |
| 93 Here we define each of the three individual animations that |
| 94 we will be using to have our 3D rotation effect. The first |
| 95 animation will perform a full rotation on the x-axis, we'll |
| 96 use that on the whole set of objects. The second and third |
| 97 animations will perform a full rotation on the y-axis in |
| 98 opposite directions, alternating directions between rows. |
| 99 |
| 100 Note that you currently have to specify an intermediate step |
| 101 for rotations even when you are using individual transformation |
| 102 constructs. |
| 103 |
| 104 */ |
| 105 @-webkit-keyframes x-spin { |
| 106 0% { -webkit-transform: rotateX(0deg); } |
| 107 50% { -webkit-transform: rotateX(180deg); } |
| 108 100% { -webkit-transform: rotateX(360deg); } |
| 109 } |
| 110 |
| 111 @-webkit-keyframes y-spin { |
| 112 0% { -webkit-transform: rotateY(0deg); } |
| 113 50% { -webkit-transform: rotateY(180deg); } |
| 114 100% { -webkit-transform: rotateY(360deg); } |
| 115 } |
| 116 |
| 117 @-webkit-keyframes back-y-spin { |
| 118 0% { -webkit-transform: rotateY(360deg); } |
| 119 50% { -webkit-transform: rotateY(180deg); } |
| 120 100% { -webkit-transform: rotateY(0deg); } |
| 121 } |
| 122 </style> |
| 123 |
| 124 <script type="text/javascript"> |
| 125 |
| 126 const POSTERS_PER_ROW = 12; |
| 127 const RING_RADIUS = 200; |
| 128 |
| 129 function setup_posters (row) |
| 130 { |
| 131 var posterAngle = 360 / POSTERS_PER_ROW; |
| 132 for (var i = 0; i < POSTERS_PER_ROW; i ++) { |
| 133 var poster = document.createElement('div'); |
| 134 poster.className = 'poster'; |
| 135 // compute and assign the transform for this poster |
| 136 var transform = 'rotateY(' + (posterAngle * i) + 'deg) translateZ(' +
RING_RADIUS + 'px)'; |
| 137 poster.style.webkitTransform = transform; |
| 138 // setup the number to show inside the poster |
| 139 var content = poster.appendChild(document.createElement('p')); |
| 140 content.textContent = i; |
| 141 // add the poster to the row |
| 142 row.appendChild(poster); |
| 143 } |
| 144 |
| 145 } |
| 146 |
| 147 function init () |
| 148 { |
| 149 setup_posters(document.getElementById('ring-1')); |
| 150 setup_posters(document.getElementById('ring-2')); |
| 151 setup_posters(document.getElementById('ring-3')); |
| 152 } |
| 153 |
| 154 // call init once the document is fully loaded |
| 155 window.addEventListener('load', init, false); |
| 156 |
| 157 </script> |
| 158 </head> |
| 159 |
| 160 <body> |
| 161 <div id="stage"> |
| 162 <div id="rotate"> |
| 163 <div id="ring-1" class="ring"></div> |
| 164 <div id="ring-2" class="ring"></div> |
| 165 <div id="ring-3" class="ring"></div> |
| 166 </div> |
| 167 </div> |
| 168 |
| 169 </body> |
| 170 |
| 171 </html> |
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Chromium Code Reviews
Issue 1097463004:
Add key_idle_power_cases for ensuring idle activity on Android (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master