Created
February 9, 2014 03:38
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[wearscript] Eye tracker calibration
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| <html style="width:100%; height:100%; overflow:hidden"> | |
| <head><script src="https://api.picar.us/wearscriptdev/bower_components/msgpack-javascript/msgpack.js"></script></head> | |
| <body style="width:100%; height:100%; overflow:hidden; margin:0"> | |
| <canvas id="canvas" width="640" height="360" style="display:block"></canvas> | |
| <script> | |
| function publish() { | |
| var data = msgpack.pack(Array.prototype.slice.call(arguments)); | |
| WS.publish(arguments[0], btoa(data.map(function (x) {return String.fromCharCode(x)}).join(''))); | |
| } | |
| function cb(path) { | |
| WS.log(path); | |
| var canvas = document.getElementById('canvas'); | |
| var context = canvas.getContext('2d'); | |
| var imageObj = new Image(); | |
| var k = 0; | |
| var xsteps = 4; | |
| var ysteps = 3; | |
| var xstep = (2528 - 640) / (xsteps - 1); | |
| var ystep = (1856 - 360) / (ysteps - 1); | |
| var interval; | |
| var points = []; | |
| imageObj.onload = function() { | |
| //2528 x 1856 | |
| clearInterval(interval); | |
| interval = window.setInterval(function () { | |
| if (k) { | |
| points.push([x, y, EYETRACKER_VALUE[0][0], EYETRACKER_VALUE[0][1], EYETRACKER_VALUE[0][2], EYETRACKER_VALUE[0][3], EYETRACKER_VALUE[0][4]]); | |
| } | |
| if (k >= xsteps * ysteps) { | |
| clearInterval(interval); | |
| WS.sound('SUCCESS') | |
| WS.log(JSON.stringify(points)); | |
| return; | |
| } | |
| WS.sound('TAP') | |
| i = Math.floor(k / xsteps); | |
| j = k % xsteps; | |
| x = j * xstep + 320; | |
| y = i * ystep + 240; | |
| context.drawImage(imageObj, -j * xstep, -i * ystep); | |
| k += 1; | |
| }, 15000); | |
| }; | |
| imageObj.src = 'file://' + path; | |
| } | |
| function eyetracker(data) { | |
| var sensor = msgpack.unpack(atob(data)); | |
| EYETRACKER_VALUE = sensor[2]['Pupil Eyetracker'][0]; | |
| WS.log(JSON.stringify(EYETRACKER_VALUE)); | |
| } | |
| function server() { | |
| WS.log('Welcome to WearScript'); | |
| WS.say('Welcome to WearScript'); | |
| WS.subscribe('sensors:eyetracker', 'eyetracker'); | |
| //WS.wake(); | |
| //WS.activityCreate(); | |
| WS.cameraPhotoPath('cb'); | |
| } | |
| function main() { | |
| if (WS.scriptVersion(1)) return; | |
| ctx = document.getElementById('canvas').getContext("2d"); | |
| WS.serverConnect('{{WSUrl}}', 'server'); | |
| } | |
| window.onload = main; | |
| </script> | |
| </body> | |
| </html> |
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