Created
April 10, 2014 11:39
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| <!-- http://www.html5rocks.com/en/tutorials/device/orientation/deviceorientationsample.html --> | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <style> | |
| </style> | |
| </head> | |
| <body> | |
| <h2>Device Orientation</h2> | |
| <table> | |
| <tr> | |
| <td>Event Supported</td> | |
| <td id="doEvent"></td> | |
| </tr> | |
| <tr> | |
| <td>Direction [alpha]</td> | |
| <td id="doDirection"></td> | |
| </tr> | |
| <tr> | |
| <td>Tilt Front/Back [beta]</td> | |
| <td id="doTiltFB"></td> | |
| </tr> | |
| <tr> | |
| <td>Tilt Left/Right [gamma]</td> | |
| <td id="doTiltLR"></td> | |
| </tr> | |
| </table> | |
| <img src="html5_logo.png" id="imgLogo" class="logo"> | |
| <script src="devoridemo.js"></script> | |
| </body> | |
| </html> |
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| init(); | |
| function init() { | |
| document.getElementById("doEvent").innerHTML = "DeviceOrientation"; | |
| window.addEventListener('deviceorientation', function(eventData) { | |
| var tiltLR = eventData.gamma; | |
| var tiltFB = eventData.beta; | |
| var dir = eventData.alpha; | |
| showOrientationText(tiltLR, tiltFB, dir); | |
| transformImage(tiltLR, tiltFB, dir); | |
| }, false); | |
| } | |
| function showOrientationText(tiltLR, tiltFB, dir) { | |
| document.getElementById("doTiltLR").innerHTML = Math.round(tiltLR); | |
| document.getElementById("doTiltFB").innerHTML = Math.round(tiltFB); | |
| document.getElementById("doDirection").innerHTML = Math.round(dir); | |
| } | |
| function transformImage(tiltLR, tiltFB, dir) { | |
| var logo = document.getElementById("imgLogo"); | |
| logo.style.webkitTransform = "rotate(" + tiltLR + "deg) rotate3d(1,0,0, " + | |
| (tiltFB * -1) + "deg)"; | |
| logo.style.MozTransform = "rotate(" + tiltLR + "deg)"; | |
| logo.style.transform = "rotate(" + tiltLR + "deg) rotate3d(1,0,0, " + | |
| (tiltFB * -1) + "deg)"; | |
| } |
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