Skip to content

Instantly share code, notes, and snippets.

@bwhite

bwhite/glass.html

Created February 15, 2014 18:10
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save bwhite/9022979 to your computer and use it in GitHub Desktop.
Save bwhite/9022979 to your computer and use it in GitHub Desktop.
Download ZIP
[wearscript] Eye tracker calibration (image version)
Raw
glass.html
<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 server() {
TAPCOUNT = -1;
WS.say('Tap to take a picture');
WS.subscribe('sensors:eyetracker', function (channel, sensorNames, sensorValues) {
EYETRACKER_VALUE = sensorValues['Pupil Eyetracker'][0];
WS.log(JSON.stringify(EYETRACKER_VALUE));
});
IMAGE_DATA = undefined;
EYETRACKER_VALUE = undefined;
POINTS = [];
WS.gestureCallback('onGesture', function (name) {
if (name == 'TAP') {
WS.sound('TAP');
if (TAPCOUNT == -1) {
WS.cameraPhoto(function (imageData) {
IMAGE_DATA = imageData;
WS.say('got image');
});
WS.say('Tap once per point');
TAPCOUNT += 1;
} else {
if (EYETRACKER_VALUE) {
POINTS.push(EYETRACKER_VALUE);
WS.say(TAPCOUNT);
TAPCOUNT += 1;
EYETRACKER_VALUE = undefined;
} else {
WS.say('Try again');
}
}
} else if (name == 'THREE_TAP') {
if (IMAGE_DATA && POINTS.length) {
WS.say('Sending points');
WS.publish('imageeyepos', (new Date).getTime() / 1000, IMAGE_DATA, POINTS);
} else {
WS.say('Not sending');
}
}
});
}
function main() {
if (WS.scriptVersion(1)) return;
ctx = document.getElementById('canvas').getContext("2d");
WS.serverConnect('{{WSUrl}}', 'server');
}
window.onload = main;
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment