fun with javascript and sensors - javascript framework days kyiv
TRANSCRIPT
Proximity Accelerometer Ambient Light Magnetometer Gyroscope Humidity Ambient Temperature Pressure Battery Cameras
1 var context = new AudioContext(); 2 var oscillator = context.createOscillator(); 3 oscillator.connect(context.destination); 4 oscillator.start(0); 5 6 window.addEventListener('devicelight', function(e) { 7 oscillator.frequency.value = e.value * 10; 8 });
Music
Track real life movementDraw 3D model of phones
Measure gyroscope data
Show real life state on screen
Track real life movement 1 var front = new THREE.MeshBasicMaterial({ map: loadTexture('front.jpg') }); 2 var back = new THREE.MeshBasicMaterial({ map: loadTexture('back.jpg') }); 3 var border = new THREE.MeshBasicMaterial({ color: 0xffe04526 }); 4 5 var materials = [ border, border, border, 6 border, front, back ]; 7 8 var geometry = new THREE.BoxGeometry(2, 4, 0.3); 9 var cube = new THREE.Mesh(geometry, 10 new THREE.MeshFaceMaterial(materials)); 11 scene.add(cube);
Track real life movement
1 window.addEventListener('deviceorientation', function(e) { 2 cube.rotation.x = e.beta / 60; 3 cube.rotation.y = e.gamma / 60; 4 cube.rotation.z = e.alpha / 60; 5 });
Beacons 1 var Bleacon = require('bleacon'); 2 3 Bleacon.startScanning(); 4 5 Bleacon.on('discover', function(b) { 6 console.log('found', b.major, b.minor, b.distance); 7 });
Work in progress in Firefox OS & Firefox for Android (https://bugzilla.mozilla.org/show_bug.cgi?id=1063444)
Juggling visualizerMeasure z-forces on device
Plot it in graph over time
Juggle with multiple devices
Juggling visualizer
1 window.addEventListener('devicemotion', function(e) { 2 var serie = getGraphSerieForDevice(e.data.deviceId); 3 serie.addPoint([ e.data.timestamp, Math.abs(e.data.z) ]); 4 });
1 var conn = navigator.mozMobileConnections[0]; 2 conn.addEventListener('voicechange', function vc() { 3 if (conn.voice.connected) { 4 conn.removeEventListener('voicechange', vc); 5 6 var req = navigator.mozMobileMessage 7 .send('+31612345678', 'Hello from JanOS!'); 8 req.onsuccess = function() { 9 console.log('Message sent successfully'); 10 }; 11 req.onerror = function() { 12 console.error('Could not send SMS', req.error); 13 }; 14 } 15 });
1 var conn = navigator.mozMobileConnections[0]; 2 conn.addEventListener('voicechange', function vc() { 3 if (conn.voice.connected) { 4 conn.removeEventListener('voicechange', vc); 5 6 var req = navigator.mozMobileMessage 7 .send('+31612345678', 'Hello from JanOS!'); 8 req.onsuccess = function() { 9 console.log('Message sent successfully'); 10 }; 11 req.onerror = function() { 12 console.error('Could not send SMS', req.error); 13 }; 14 } 15 });
1 var conn = navigator.mozMobileConnections[0]; 2 conn.addEventListener('voicechange', function vc() { 3 if (conn.voice.connected) { 4 conn.removeEventListener('voicechange', vc); 5 6 var req = navigator.mozMobileMessage 7 .send('+31612345678', 'Hello from JanOS!'); 8 req.onsuccess = function() { 9 console.log('Message sent successfully'); 10 }; 11 req.onerror = function() { 12 console.error('Could not send SMS', req.error); 13 }; 14 } 15 });
1 var conn = navigator.mozMobileConnections[0]; 2 conn.addEventListener('voicechange', function vc() { 3 if (conn.voice.connected) { 4 conn.removeEventListener('voicechange', vc); 5 6 var req = navigator.mozMobileMessage 7 .send('+31612345678', 'Hello from JanOS!'); 8 req.onsuccess = function() { 9 console.log('Message sent successfully'); 10 }; 11 req.onerror = function() { 12 console.error('Could not send SMS', req.error); 13 }; 14 } 15 });
1 var conn = navigator.mozMobileConnections[0]; 2 conn.addEventListener('voicechange', function vc() { 3 if (conn.voice.connected) { 4 conn.removeEventListener('voicechange', vc); 5 6 var req = navigator.mozMobileMessage 7 .send('+31612345678', 'Hello from JanOS!'); 8 req.onsuccess = function() { 9 console.log('Message sent successfully'); 10 }; 11 req.onerror = function() { 12 console.error('Could not send SMS', req.error); 13 }; 14 } 15 });
Get hacking!
Grab a phone that has latest Chrome / Firefox
Use that sensor data
Think outside the box