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main.html
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<!DOCTYPE html>
<html>
<head>
<title>Location</title>
<style>
body{
margin:0
}
canvas,#boxholder{
position:absolute;
left:0;
right:0;
top:0;
bottom:0;
overflow:hidden;
z-index:100;
}
#boxholder{
text-align:center;
z-index:90;
}
*{
-webkit-user-select:none;
}
.box text{
stroke:initial;
fill:black;
/*font?*/
}
.box line,.box rect,.box circle{
fill:white;
stroke-width:1.5px;
}
.box .center{
stroke-dasharray:3,3;
}
.box .outlier{
fill:none;
stroke-opacity:0.2;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<canvas id="canvas2"></canvas>
<div id="boxholder"></div>
<script src="js/socket.io.js"></script>
<script src="js/jstat-1.0.0.js"></script>
<script src="js/d3.min.js"></script>
<script src="js/box.js"></script>
<script>
var socket=io.connect()
var id=Math.random()
var mobile=navigator.userAgent.search('Mobile')!=-1
if(mobile){
mobileInit()
}
else{
init()
}
function mobileInit(){
window.addEventListener('deviceorientation',function(event){
socket.emit('orient',[event.alpha,event.beta,event.gamma])
})
window.addEventListener('devicemotion',function(event){
socket.emit('motion',[event.acceleration.x,event.acceleration.y,event.acceleration.z])
})
}
function init(){
window.addEventListener('resize',resize)
canvas=document.getElementById('canvas')
canvas2=document.getElementById('canvas2')
mouse=false
pan=[0,0]
window.addEventListener('mousedown',function(event){
mouse=[event.pageX,event.pageY]
//console.log('down')
})
window.addEventListener('mousemove',function(event){
if(mouse!==false){
pan[0]+=event.pageX-mouse[0]
pan[1]+=event.pageY-mouse[1]
mouse[0]=event.pageX
mouse[1]=event.pageY
}
//console.log('move')
})
window.addEventListener('mouseup',function(event){
mouse=false
//console.log('up')
})
maxhistory=500
ctx=canvas.getContext('2d')
ctx2=canvas2.getContext('2d')
alldata={}
socket.on('orient',function(data,id){
if(!(id in alldata)){
alldata[id]={
alpha:[],
beta:[],
gamma:[],
x:[],
y:[],
z:[],
speed:[],
newpos:[0,0],
laststep:false,
clock:0,
px:[0],
py:[0],
steplength:1/20
}
}
var obj=alldata[id]
obj.alpha.unshift(data[0])
obj.beta.unshift(data[1])
obj.gamma.unshift(data[2])
if(obj.alpha.length>maxhistory){
obj.alpha.pop()
obj.beta.pop()
obj.gamma.pop()
}
}).on('motion',function(data,id){
if(!(id in alldata)){
return
}
var obj=alldata[id]
obj.clock++
obj.x.unshift(data[0])
obj.y.unshift(data[1])
obj.z.unshift(data[2])
var len=Math.sqrt(data[0]*data[0]+data[1]*data[1]+data[2]*data[2])
obj.speed.unshift(len)//(obj.speed.length?(len>obj.speed[0]?len*0.05+obj.speed[0]*0.95:len*0.01+obj.speed[0]*0.99):len)
if(obj.x.length>maxhistory){
obj.x.pop()
obj.y.pop()
obj.z.pop()
obj.speed.pop()
}
if(obj.laststep!==false){
obj.laststep++
if(obj.laststep>obj.x.length){
obj.laststep=false
}
}
if(Math.abs(obj.y[0])>1
&&Math.abs(obj.beta[0])>60
&&Math.abs(obj.beta[0])<120
//&&Math.abs(obj.beta[0])<Math.abs(obj.beta[1])
){
if(obj.laststep!==false&&obj.laststep<100){
for(var s=0;s<obj.laststep;s++){
var angle=Math.PI*obj.alpha[s]/180
obj.newpos[0]+=obj.speed[s]*obj.steplength*Math.cos(angle)
obj.newpos[1]+=obj.speed[s]*obj.steplength*Math.sin(angle)
}
}
obj.laststep=0
}
if(obj.clock%60==0){
if(obj.newpos[0]!=0||obj.newpos[1]!=0){
obj.px.unshift(obj.newpos[0]+obj.px[0])
obj.py.unshift(obj.newpos[1]+obj.py[0])
obj.newpos[0]=obj.newpos[1]=0
console.log('step')
}
}
}).on('lost',function(id){
delete alldata[id]
})
}
min={
alpha:0,
beta:-180,
gamma:-90,
x:-30,
y:-30,
z:-30,
speed:0
}
max={
alpha:360,
beta:180,
gamma:90,
x:30,
y:30,
z:30,
speed:30
}
color={
alpha:'orange',
beta:'yellow',
gamma:'purple',
x:'red',
y:'green',
z:'blue',
speed:'gray'
}
drawall=false
function renderData(){
document.body.style.backgroundColor=''
var updatesvg=true
for(var d in alldata){
var obj=alldata[d]
ctx.lineWidth=1
drawall=true
canvas.width=canvas.width
//ctx.translate(10,0)
//ctx.putImageData(ctx.getImageData(0,0,canvas.width,canvas.height),window.innerWidth/maxhistory,0)
//ctx.save()
//ctx.setTransform(1,0,0,1,100,0)
//ctx.restore()
//ctx.setTransform(1,0,0,1,0,0)
for(var f in obj){
if(f in color){
ctx.strokeStyle=color[f]
ctx.beginPath()
if(obj[f].length){
ctx.moveTo(0,
window.innerHeight*(1-(obj[f][0]-min[f])/(max[f]-min[f])))
}
for(var e=1;e<(drawall?obj[f].length:2);e++){
ctx.lineTo(window.innerWidth*(e/maxhistory),
window.innerHeight*(1-(obj[f][e]-min[f])/(max[f]-min[f])))
}
ctx.stroke()
}
}
canvas2.width=window.innerWidth
canvas2.height=window.innerHeight
ctx2.strokeStyle='black'
ctx2.lineJoin='round'
ctx2.lineCap='round'
ctx2.lineWidth=5
ctx2.beginPath()
ctx2.moveTo(window.innerWidth*0.5+pan[0],window.innerHeight*0.5+pan[1])
for(var e=obj.px.length-2;e>=0;e--){
ctx2.lineTo(window.innerWidth*0.5+pan[0]+obj.px[e],window.innerHeight*0.5+pan[1]+obj.py[e])
}
ctx2.stroke()
if(updatesvg){//Sync svg data
for(var e=0;e<svgdata.length;e++){
svgdata[e].unshift(obj[svgmeta[e]][0])
if(svgdata[e].length>100){
svgdata[e].pop()
}
}
if(obj.clock%2==0){
svg.data(svgdata).call(chart)
}
updatesvg=false
}
}
drawall=false
window.webkitRequestAnimationFrame(renderData)
}
renderData()
function iqr(k) {
return function(d, i) {
var q1 = d.quartiles[0],
q3 = d.quartiles[2],
iqr = (q3 - q1) * k,
i = -1,
j = d.length;
while (d[++i] < q1 - iqr);
while (d[--j] > q3 + iqr);
return [i, j];
};
}
function initChart(){
margin={top:10,right:50,bottom:20,left:50}
var outerwidth=120
,outerheight=window.innerHeight
,innerwidth=outerwidth-margin.left-margin.right
,innerheight=outerheight-margin.top-margin.bottom
data=[]
chart=d3.box()
.whiskers(iqr(1.5))
.width(innerwidth)
.height(innerheight)
.domain(function(d,i){
return [min[svgmeta[i]],max[svgmeta[i]]]
})
svgdata=[
[0],//Beta
[0],//Gamma
[0],//X
[0],//Y
[0],//Z
[0]//Speed
]
svgmeta=[
'beta',
'gamma',
'x',
'y',
'z',
'speed'
]
svg=d3.select('#boxholder').selectAll('svg')
.data(svgdata)
.enter().append('svg')
.attr('class','box')
.attr('width',outerwidth)
.attr('height',outerheight)
.attr('stroke',function(d,i){
return color[svgmeta[i]]
})
.append('g')
.attr('transform','translate('+margin.left+','+margin.top+')')
.call(chart)
}
function resize(){
canvas.width=window.innerWidth
canvas.height=window.innerHeight
drawall=true
if(window.chart){
var innerheight=window.innerHeight-margin.top-margin.bottom
chart.height(innerheight)
d3.select('#boxholder').selectAll('svg')
.attr('height',window.innerHeight)
svg.call(chart)
}
}
resize()
initChart()
</script>
</body>
</html>