Created
April 23, 2015 12:31
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poc accel api
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| <html> | |
| <head> | |
| <title>yay</title> | |
| <script type="text/javascript"> | |
| var arrx = []; | |
| var arry = []; | |
| var arrz = []; | |
| for (var i=0; i<100; i++) { | |
| arrx.push(0); | |
| arry.push(0); | |
| arrz.push(0); | |
| } | |
| function mean(arr) { | |
| var t = 0; | |
| for (var i=0; i<arr.length; i++) | |
| t = t + arr[i]; | |
| return t / (i+1); | |
| } | |
| </script> | |
| </head> | |
| <body style="background-color: Aquamarine;"> | |
| <div id="color">no accel</div> | |
| <script type="text/javascript"> | |
| window.ondevicemotion = function(event) { | |
| var accX = event.acceleration.x; | |
| var accY = event.acceleration.y; | |
| var accZ = event.acceleration.z; | |
| if (!isNaN(accX)) { | |
| arrx.push(accX); | |
| arrx.splice(0, 1); | |
| } | |
| if (!isNaN(accY)) { | |
| arry.push(accY); | |
| arry.splice(0, 1); | |
| } | |
| if (!isNaN(accZ)) { | |
| arrz.push(accZ); | |
| arrz.splice(0, 1); | |
| } | |
| if (mean(arrx) > 0.25 || mean(arry) > 0.25 || mean(arrz) > 0.25) { | |
| document.getElementsByTagName("body")[0].style['backgroundColor'] = "red"; | |
| } | |
| document.getElementById("color").innerHTML = "X: " + mean(arrx); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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