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Random-Triangle-Mesh-Generation.html
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<html>
<head>
<title> Triangle Mesh Generation </title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<style type="text/css">
a {
cursor: pointer;
}
</style>
<!-- Google Analytics Code -->
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-103589215-2', 'auto');
ga('send', 'pageview');
</script>
<script type="application/ld+json">
{
"@type": "Projects",
"name": "Triangle Mesh Generation Algorithm",
"author": "Prajwal DSouza",
"description": "Generates Random Triangle Mesh and colors it from one end to the other as a gradient."
}
</script>
<meta charset="UTF-8">
<meta name="description" content="Random Triangle Mesh Generation @prajwalsouza.github.io: A collection experiments and projects related to math, physics and computer science">
<meta name="keywords" content="Triangle Mesh Generation, Random Triangle Mesh Generation, Approximate Denauley Triangulation">
<meta name="author" content="Prajwal DSouza">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body style='margin:0px; display: block:'>
<div id='main' style='z-index:1; position: relative;cursor:crosshair;box-shadow: 0px 10px 80px rgba(0,0,0,0.2);'>
<div height="100%" width="100%" style='z-index:2; position: absolute; left: 0;right: 0;top:0; bottom: 0;'>
<svg id='maindots' height="100%" width="100%">
<a href="https://prajwalsouza.github.io" target="_blank" style="z-index: 1;">
<text x="50%" y="63%" fill="rgba(0,140,255,2)" font-family="Calibri" style='font-size:25px;font-size: 1.9vw;' text-anchor="middle">
prajwalsouza.github.io
</text>
</a>
</svg>
</div>
<!-- <div id='maincover' width="100%" height="100%" style='z-index:1; position: absolute; left: 0;right: 0;top:0; bottom: 0; pointer-events: none;'>
<svg height="100%" width="100%">
</svg>
</div> -->
<div height="100%" width="100%" style='z-index:1; position: relative; pointer-events: none;'>
<svg id='maintextdetails' height="100%" width="100%">
<text x="50%" y="50%" fill="black" font-family="Calibri" style='font-size:35px;font-size: 3.4vw;' text-anchor="middle">
Random Triangle Mesh Generation
</text>
<text x="50%" y="45%" fill="black" font-family="Calibri" style='font-size:23px;font-size: 1.7vw;' text-anchor="middle">
<!-- <tspan x="50%" dy="0%">I tried Q learning.</tspan>
<tspan x="50%" dy="5%">It's where an agent learns from its environment, </tspan>
<tspan x="50%" dy="5%">based on the rewards it gets, and hence does better.</tspan>
<tspan x="50%" dy="5%">The next two projects are based on this. </tspan> -->
</text>
</svg>
</div>
</div>
<div id='colorchoiceSlide' height="100%" width="100%" style='z-index:1; position: relative;'>
<div height="100%" style='z-index:1; position: relative; left: 0;right: 0;top:0; bottom: 0;'>
<svg id='colorchoiceSvg' height="100%" width="100%">
<text x="25%" y="25%" fill="black" font-family="Calibri" style='font-size:35px;font-size: 2.3vw;'>
<tspan x="30%" dy="0%">Base Color</tspan>
<tspan x="60%" dy="0%">Color Scheme</tspan>
</text>
</svg>
</div>
</div>
<div id='demoSlide' height="100%" width="100%" style='z-index:1; position: relative; cursor: pointer;box-shadow: 0px -10px 80px rgba(0,0,0,0.2);'>
<div height="100%" style='z-index:1; position: absolute;left: 0;right: 0;top:0; bottom: 0;'>
<svg id='demoSlidesvg' height="100%" width="100%" >
</svg>
</div>
<div id='demoSlidecover' width="100%" height="100%" style='z-index:1; position: absolute; left: 0;right: 0;top:0; bottom: 0; background-color: rgba(0,0,0, 0); pointer-events: none;'>
<svg height="100%" width="100%">
</svg>
</div>
<div height="100%" width="100%" style='z-index:1; position: relative; pointer-events: none; '>
<svg id='d' height="100%" width="100%">
<text x="50%" y="50%" fill="white" font-family="Calibri" style='font-size:28px;font-size: 1.9vw;' text-anchor="middle" id='linkID'>
<tspan x="50%" dy="0%">Tap/Click to Finish</tspan>
<tspan x="50%" dy="5%"></tspan>
</text>
</svg>
</div>
</div>
<script type="text/javascript">
// Fixing for Mozilla
demoSlidesvg = document.getElementById('demoSlidesvg')
pointsMemoryPrism = []
neighbourConnectionData = {}
creationNode = {}
// From https://stackoverflow.com/questions/22521982/js-check-if-point-inside-a-polygon
function inside(point, vs) {
// ray-casting algorithm based on
// http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html
var x = point[0], y = point[1];
var inside = false;
for (var i = 0, j = vs.length - 1; i < vs.length; j = i++) {
var xi = vs[i][0], yi = vs[i][1];
var xj = vs[j][0], yj = vs[j][1];
var intersect = ((yi > y) != (yj > y))
&& (x < (xj - xi) * (y - yi) / (yj - yi) + xi);
if (intersect) inside = !inside;
}
return inside;
};
averagedistance = 30
radiusdeviation = 20
angledeviation = 10
function getPossibilityRange(thepoint,mainnode) {
connectedpoints = neighbourConnectionData[thepoint[0] + ',' + thepoint[1]].slice()
pointofinterest = connectedpoints[0]
Angle1 = Math.atan2(pointofinterest[1] - thepoint[1],pointofinterest[0] - thepoint[0])*180/Math.PI
if (Angle1 < 0) {
Angle1 = 360 + Angle1
}
pointofinterest = connectedpoints[1]
Angle2 = Math.atan2(pointofinterest[1] - thepoint[1],pointofinterest[0] - thepoint[0])*180/Math.PI
if (Angle2 < 0) {
Angle2 = 360 + Angle2
}
Anglemain = Math.atan2(mainnode[1] - thepoint[1],mainnode[0] - thepoint[0])*180/Math.PI
if (Anglemain < 0) {
Anglemain = 360 + Anglemain
}
maxvalue = Math.max(Angle1,Angle2)
minvalue = Math.min(Angle1,Angle2)
if (Anglemain < maxvalue && Anglemain > minvalue) {
possibilityrange = 360 - Math.abs(Angle2 - Angle1)
between = [Angle2,Angle1]
startingcue = -1
}
else {
possibilityrange = Math.abs(Angle2 - Angle1)
between = [Angle2,Angle1]
startingcue = 1
}
if(minvalue == Angle1) {
startingMneigh = connectedpoints[0]
endingMneigh = connectedpoints[1]
}
else {
startingMneigh = connectedpoints[1]
endingMneigh = connectedpoints[0]
}
return [possibilityrange,between,startingMneigh,endingMneigh,startingcue]
}
function pickAngleInRange(rangeLength,extremes,startingcuevalue) {
intervaldivision = parseInt(rangeLength/50);
minvalue = Math.min(extremes[0],extremes[1])
maxvalue = Math.max(extremes[0],extremes[1])
anglevalues = []
if (startingcuevalue == 1) {
anglevalue = minvalue
for (i=0; i < intervaldivision; i++) {
anglevalue = anglevalue + 50 + (angledeviation*(Math.random() - 0.5))
if (Math.abs(maxvalue - anglevalue) > 30) {
anglevalues.push(anglevalue)
}
}
}
else {
anglevalue = minvalue
for (i=0; i < intervaldivision; i++) {
anglevalue = anglevalue - 50 + (angledeviation*(Math.random() - 0.5))
if (anglevalue < 0) {
anglevalue = 360 + anglevalue
}
if (Math.abs(maxvalue - anglevalue) > 30) {
anglevalues.push(anglevalue)
}
}
}
return anglevalues
}
function indexOfmin(arr) {
if (arr.length === 0) {
return -1;
}
var min = arr[0];
var minIndex = 0;
for (var i = 1; i < arr.length; i++) {
if (arr[i] < min) {
minIndex = i;
min = arr[i];
}
}
return minIndex;
}
function drawText(divId, textdata, xcor, ycor,size) {
var textElement = document.createElementNS("http://www.w3.org/2000/svg", 'text');
textElement.setAttribute('x',xcor);
textElement.setAttribute('y',ycor);
textElement.setAttribute('font-size',size);
textElement.innerHTML = textdata
divId.appendChild(textElement);
}
function formPrism() {
triangleData = []
angles = pickAngleInRange(360,[0,390],1)
initvalue = [Math.random()*window.innerWidth, Math.random()*window.innerHeight];
currentvalue = initvalue
pointsList = []
pointsList.push[currentvalue]
currentlist = []
visitablenodes = []
for (j = 0; j < angles.length; j++) {
angle = angles[j]
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = currentvalue[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = currentvalue[1] + radius*Math.sin(angle*Math.PI/180)
if(inside([xvalue,yvalue],visitablenodes)) {
console.log("Point Outside")
}
else {
pointsList.push([xvalue,yvalue])
creationNode[xvalue+','+yvalue] = currentvalue
if (xvalue <= window.innerWidth*1.2 && xvalue >= -0.2*window.innerWidth && yvalue <= window.innerHeight*1.2 && yvalue >= -0.2*window.innerHeight) {
visitablenodes.push([xvalue,yvalue])
}
currentlist.push([xvalue,yvalue])
}
}
for (k = 0; k < currentlist.length; k++) {
neighbours = []
index = (k - 1)
if (index < 0) {
index = index + currentlist.length
}
if (index >= currentlist.length) {
index = index % currentlist.length
}
neighbours.push(currentlist[index])
index = (k + 1)
if (index < 0) {
index = index + currentlist.length
}
if (index >= currentlist.length) {
index = index % currentlist.length
}
neighbours.push(currentlist[index])
point = currentlist[k]
neighbourConnectionData[point[0] + ',' + point[1]] = neighbours
triangleData.push([neighbours[0],point,currentvalue])
}
ranges = []
for (m=0; m < visitablenodes.length;m++) {
node = visitablenodes[m]
ranges.push(getPossibilityRange(node, currentvalue)[0])
}
minvalueindex = indexOfmin(ranges)
nextnode = visitablenodes[minvalueindex]
visitablenodes.splice(minvalueindex, 1);
while(visitablenodes.length != 0) {
prange = getPossibilityRange(nextnode, creationNode[nextnode[0]+','+nextnode[1]])
mainnodevalue = currentvalue
currentvalue = nextnode
// drawDot(demoSlidesvg,currentvalue[0],currentvalue[1], '0.3%', 'blue')
// drawText(demoSlidesvg,h,currentvalue[0],currentvalue[1],14)
angles = pickAngleInRange(prange[0],prange[1],prange[4])
startingMneigh = prange[2]
endingMneigh = prange[3]
currentlist = []
for (j = 0; j < angles.length; j++) {
angle = angles[j]
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = currentvalue[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = currentvalue[1] + radius*Math.sin(angle*Math.PI/180)
if(inside([xvalue,yvalue],visitablenodes)) {
// console.log("Point Outside")
}
else {
pointsList.push([xvalue,yvalue])
creationNode[xvalue+','+yvalue] = currentvalue
if (xvalue <= window.innerWidth*1.2 && xvalue >= -0.2*window.innerWidth && yvalue <= window.innerHeight*1.2 && yvalue >= -0.2*window.innerHeight) {
visitablenodes.push([xvalue,yvalue])
}
currentlist.push([xvalue,yvalue])
// drawLine(demoSlidesvg,currentvalue[0],currentvalue[1],xvalue,yvalue,'red','0.4%')
// drawDot(demoSlidesvg,xvalue,yvalue, '0.3%', 'orange')
// drawText(demoSlidesvg,1,xvalue,yvalue,10)
}
}
if(currentlist.length == 0) {
currneighbours = neighbourConnectionData[currentvalue[0] + ',' + currentvalue[1]]
// drawLine(demoSlidesvg,currneighbours[0][0],currneighbours[0][1],currneighbours[1][0],currneighbours[1][1],'grey','0.2%')
n1 = currneighbours[0]
n1neighbours = neighbourConnectionData[n1[0] + ',' + n1[1]]
if (n1neighbours[0][0] == currentvalue[0] && n1neighbours[0][1] == currentvalue[1]) {
n1neighbours.splice(0, 1, currneighbours[1]);
}
else {
n1neighbours.splice(1, 1, currneighbours[1]);
}
n2 = currneighbours[1]
n2neighbours = neighbourConnectionData[n2[0] + ',' + n2[1]]
if (n2neighbours[0][0] == currentvalue[0] && n2neighbours[0][1] == currentvalue[1]) {
n2neighbours.splice(0, 1, currneighbours[0]);
}
else {
n2neighbours.splice(1, 1, currneighbours[0]);
}
triangleData.push([currneighbours[0],currneighbours[1],currentvalue])
}
else if (currentlist.length == 1) {
point = currentlist[0]
currneighbours = neighbourConnectionData[currentvalue[0] + ',' + currentvalue[1]]
neighbourConnectionData[point[0] + ',' + point[1]] = currneighbours
triangleData.push([currneighbours[0],point,currentvalue])
triangleData.push([currneighbours[1],point,currentvalue])
// drawLine(demoSlidesvg,currneighbours[0][0],currneighbours[0][1],point[0],point[1],'grey','0.2%')
// drawLine(demoSlidesvg,point[0],point[1],currneighbours[1][0],currneighbours[1][1],'grey','0.2%')
sidepoint = currneighbours[0]
ngh = neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]].slice();
if (ngh[0][0] == currentvalue[0] && ngh[0][1] == currentvalue[1]) {
ngh.splice(0, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
else {
ngh.splice(1, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
sidepoint = currneighbours[1]
ngh = neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]].slice();
if (ngh[0][0] == currentvalue[0] && ngh[0][1] == currentvalue[1]) {
ngh.splice(0, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
else {
ngh.splice(1, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
}
else {
neighbours = []
point = currentlist[0]
neighbours.push(startingMneigh)
sidepoint = startingMneigh
triangleData.push([startingMneigh,point,currentvalue])
ngh = neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]].slice();
if (ngh[0][0] == currentvalue[0] && ngh[0][1] == currentvalue[1]) {
ngh.splice(0, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
else {
ngh.splice(1, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
neighbours.push(currentlist[1])
neighbourConnectionData[point[0] + ',' + point[1]] = neighbours
// drawLine(demoSlidesvg,neighbours[0][0],neighbours[0][1],point[0],point[1],'grey','0.2%')
// drawLine(demoSlidesvg,point[0],point[1],neighbours[1][0],neighbours[1][1],'grey','0.2%')
for (k = 1; k < currentlist.length - 1; k++) {
neighbours = []
index = (k - 1)
if (index < 0) {
index = index + currentlist.length
}
if (index >= currentlist.length) {
index = index % currentlist.length
}
neighbours.push(currentlist[index])
index = (k + 1)
if (index < 0) {
index = index + currentlist.length
}
if (index >= currentlist.length) {
index = index % currentlist.length
}
neighbours.push(currentlist[index])
point = currentlist[k]
neighbourConnectionData[point[0] + ',' + point[1]] = neighbours
// drawLine(demoSlidesvg,neighbours[0][0],neighbours[0][1],point[0],point[1],'grey','0.2%')
// drawLine(demoSlidesvg,point[0],point[1],neighbours[1][0],neighbours[1][1],'grey','0.2%')
triangleData.push([neighbours[0],point,currentvalue])
}
triangleData.push([ currentlist[currentlist.length - 2], currentlist[currentlist.length - 1],currentvalue])
neighbours = []
point = currentlist[currentlist.length - 1]
neighbours.push(endingMneigh)
sidepoint = endingMneigh
triangleData.push([endingMneigh,point,currentvalue])
ngh = neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]].slice();
if (ngh[0][0] == currentvalue[0] && ngh[0][1] == currentvalue[1]) {
ngh.splice(0, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
else {
ngh.splice(1, 1, point);
neighbourConnectionData[sidepoint[0] + ',' + sidepoint[1]] = ngh
}
neighbours.push(currentlist[currentlist.length - 2])
neighbourConnectionData[point[0] + ',' + point[1]] = neighbours
// drawLine(demoSlidesvg,neighbours[0][0],neighbours[0][1],point[0],point[1],'grey','0.2%')
// drawLine(demoSlidesvg,point[0],point[1],neighbours[1][0],neighbours[1][1],'grey','0.2%')
}
ranges = []
for (ind=0; ind < visitablenodes.length;ind++) {
node = visitablenodes[ind]
ranges.push(getPossibilityRange(node, creationNode[node[0]+','+node[1]])[0])
}
minvalueindex = indexOfmin(ranges)
prevPrange = ranges[minvalueindex]
nextnode = visitablenodes[minvalueindex]
visitablenodes.splice(minvalueindex, 1);
// drawDot(demoSlidesvg,nextnode[0],nextnode[1], '0.3%', 'violet')
}
return triangleData
}
triangleData = formPrism()
function drawPrism() {
colorchoices = ['rgba(0,0,0,0.3)']
for (i=0; i<triangleData.length; i++) {
ithTriangleSet = triangleData[i]
var polyElement = document.createElementNS("http://www.w3.org/2000/svg", 'polygon');
polypoints = ithTriangleSet[0][0] + ',' +ithTriangleSet[0][1] + ' ' + ithTriangleSet[1][0] + ',' + ithTriangleSet[1][1] + ' ' + ithTriangleSet[2][0] + ',' + ithTriangleSet[2][1]
polyElement.setAttribute('points',polypoints);
polyElement.setAttribute('id','triangleNo' + i);
polyElement.style.fill = colorchoices[parseInt(Math.random()*(colorchoices.length))];
polyElement.style.strokeWidth = '0.05%';
polyElement.style.stroke = 'rgba(255,255,255,0.3)';
demoSlidesvg.appendChild(polyElement);
}
}
drawPrism()
colorchosenStatus = {}
colorscheme = ['single','analogous','complimentary']
colorconfig = [['blue',290,240] ,['orange',70,30],['red',50,3],['violet',335,290]]
choice = colorconfig[parseInt(Math.random()*(colorconfig.length))];
scheme = colorscheme[parseInt(Math.random()*(colorscheme.length))];
function linktoGithub(event) {
alldiv = demoSlidesvg.children;
for (i = 0; i < alldiv.length; i++) {
element = alldiv[i]
if (element.tagName == 'polygon') {
colorchoice = colorPick(element.points[0].x,element.points[0].y);
element.style.fill = colorchoice;
element.style.stroke = colorchoice;
colorchosenStatus[element.id.toString()] = [1,colorPick(posX,posY)];
}
}
}
function colorPick(xval,yval) {
lvalue = 10 + ((xval/window.innerWidth)*70) + (Math.random() - 0.5)*20
if (scheme == 'single') {
hvalue = choice[2]
}
else if (scheme == 'analogous') {
hvalue = choice[1] - ((yval/window.innerHeight)*100)
}
else if (scheme == 'complimentary') {
if (yval < window.innerHeight/2) {
hvalue = choice[2] + 180
}
else {
hvalue = choice[2]
}
}
else if (scheme == 'complimentary-random') {
if (Math.random() < 0.5) {
hvalue = choice[2] + 200
}
else {
hvalue = choice[2]
}
}
svalue = 100
return 'hsl(' + hvalue + ',' + svalue + '%,' + lvalue + '%)'
}
function giveColor(event) {
var bRect = demoSlidesvg.getBoundingClientRect();
posX = event.clientX - bRect.left;
posY = event.clientY - bRect.top;
colorchoice = colorPick(posX,posY)
event.target.style.fill = colorchoice
event.target.style.stroke = colorchoice
colorchosenStatus[event.target.id.toString()] = [1,colorPick(posX,posY)]
}
demoSlidesvg.addEventListener('mouseover',giveColor);
demoSlidesvg.addEventListener('click',linktoGithub);
function testingRange() {
initvalue = [302, 273];
currentvalue = initvalue
angle = Math.random()*360
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = currentvalue[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = currentvalue[1] + radius*Math.sin(angle*Math.PI/180)
mainnode = currentvalue
interestnode = [250.54242383023535, 268.8352035928806]
drawDot(demoSlidesvg,mainnode[0],mainnode[1], '0.3%', 'black')
drawDot(demoSlidesvg,interestnode[0],interestnode[1], '0.5%', 'blue')
drawLine(demoSlidesvg,mainnode[0],mainnode[1],interestnode[0],interestnode[1],'grey','0.2%')
angle = Math.random()*360
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = interestnode[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = interestnode[1] + radius*Math.sin(angle*Math.PI/180)
neighbour1 = [226.88548833806917, 224.6347675123611]
angle = Math.random()*360
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = interestnode[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = interestnode[1] + radius*Math.sin(angle*Math.PI/180)
neighbour2 = [272.528069858692, 316.71010460844485]
drawDot(demoSlidesvg,neighbour1[0],neighbour1[1], '0.3%', 'red')
drawDot(demoSlidesvg,neighbour2[0],neighbour2[1], '0.3%', 'red')
drawLine(demoSlidesvg,neighbour1[0],neighbour1[1],interestnode[0],interestnode[1],'grey','0.2%')
drawLine(demoSlidesvg,neighbour2[0],neighbour2[1],interestnode[0],interestnode[1],'grey','0.2%')
neighbourConnectionData[interestnode[0] + ',' + interestnode[1]] = [neighbour1,neighbour2]
prange = getPossibilityRange(interestnode, mainnode)
console.log(prange)
angles = pickAngleInRange(prange[0],prange[1],prange[4])
console.log(angles)
for (i = 0; i < angles.length; i++) {
angle = angles[i]
radius = averagedistance + (radiusdeviation*Math.random())
xvalue = interestnode[0] + radius*Math.cos(angle*Math.PI/180)
yvalue = interestnode[1] + radius*Math.sin(angle*Math.PI/180)
drawDot(demoSlidesvg,xvalue,yvalue, '0.3%', 'orange')
}
}
colorchoiceSvg = document.getElementById('colorchoiceSvg')
function rectClick(event) {
document.getElementById(choice[2] + '-colorconfig').setAttribute('stroke','black')
document.getElementById(choice[2] + '-colorconfig').setAttribute('stroke-width','0%')
for (i = 0; i < colorconfig.length; i++) {
hvalue = colorconfig[i][2];
if (event.target.id == hvalue + '-colorconfig') {
choice = colorconfig[i];
event.target.setAttribute('stroke','black')
event.target.setAttribute('stroke-width','0.2%')
}
}
}
function textClick(event) {
document.getElementById(scheme).setAttribute('fill','grey')
for (i = 0; i < colorscheme.length; i++) {
thescheme = colorscheme[i];
if (event.target.id == thescheme) {
scheme = thescheme;
event.target.setAttribute('fill', 'rgba(0,140,255,0.6)');
}
}
}
for (i = 0; i < colorconfig.length; i++) {
hvalue = colorconfig[i][2];
svalue = 100;
lvalue = 50;
var rectElement = document.createElementNS("http://www.w3.org/2000/svg", 'rect');
rectElement.setAttribute('width','5%');
rectElement.setAttribute('height','3.5%');
rectElement.style.cursor = 'pointer';
rectElement.setAttribute('x', '30%');
rectElement.setAttribute('id', hvalue + '-colorconfig');
rectElement.setAttribute('y',35 + (i*8) + '%');
rectElement.style.fill = 'hsl(' + hvalue + ',' + svalue + '%,' + lvalue + '%)';
// rectElement.style.strokeWidth = '0';
if (colorconfig[i] == choice) {
rectElement.setAttribute('stroke-width', '0.2%');
rectElement.setAttribute('stroke', 'rgba(0,0,0,1)');
}
rectElement.addEventListener('click',rectClick);
colorchoiceSvg.appendChild(rectElement);
}
for (i = 0; i < colorscheme.length; i++) {
thescheme = colorscheme[i];
var textElement = document.createElementNS("http://www.w3.org/2000/svg", 'text');
textElement.setAttribute('x', '60%');
textElement.setAttribute('y',40 + (i*8) + '%');
textElement.setAttribute('fill','grey');
textElement.style.cursor = 'pointer';
textElement.style.fontFamily = 'Calibri';
textElement.setAttribute('id',thescheme);
textElement.innerHTML = thescheme;
textElement.setAttribute('font-size', '140%');
textElement.setAttribute('font-size', '1.8vw');
if (colorscheme[i] == scheme) {
textElement.setAttribute('fill', 'rgba(0,140,255,0.6)');
}
textElement.addEventListener('click',textClick);
colorchoiceSvg.appendChild(textElement);
}
maindots = document.getElementById('maindots')
function drawDot(divId,xcor,ycor, radius, color) {
var circleElement = document.createElementNS("http://www.w3.org/2000/svg", 'circle');
circleElement.setAttribute('r',radius);
circleElement.setAttribute('cx',xcor);
circleElement.setAttribute('cy',ycor);
circleElement.style.fill = color
circleElement.style.strokeWidth = '0';
divId.appendChild(circleElement);
}
function drawLine(divId,initxcor,initycor, finalxcor, finalycor, color, strokewidth) {
var lineElement = document.createElementNS("http://www.w3.org/2000/svg", 'line');
lineElement.setAttribute('x1',initxcor);
lineElement.setAttribute('y1',initycor);
lineElement.setAttribute('x2',finalxcor);
lineElement.setAttribute('y2',finalycor);
lineElement.style.stroke = color
lineElement.style.strokeWidth = strokewidth+'%';
divId.appendChild(lineElement);
}
pointsMemory = [];
function drawConnectingDots(slideOfInterest,type,pointOfInterest) {
colorchoices = ['rgba(0,200,255,1)','rgba(0,140,255,1)']
delta = 7;
radiusDeviation = 0.2;
radiusBase = 0.33;
initpointnumber = 50;
if (type != 'newpoint') {
for (i = 0; i < initpointnumber; i ++) {
posX = parseInt(Math.random()*100);
posY = parseInt(Math.random()*100);
pointsMemory.push([posX,posY]);
}
for (i = 0; i < pointsMemory.length; i ++) {
p1X = pointsMemory[i][0]*window.innerWidth*0.01;
p1Y = pointsMemory[i][1]*window.innerHeight*0.01;
for (j = 0; j < pointsMemory.length; j++) {
if (pointsMemory[j] != pointsMemory[i]) {
p2X = pointsMemory[j][0]*window.innerWidth*0.01;
p2Y = pointsMemory[j][1]*window.innerHeight*0.01;
distance = Math.sqrt(((p2X-p1X)*(p2X-p1X)) + ((p2Y-p1Y)*(p2Y-p1Y)))
if (distance < delta*window.innerWidth*0.01) {
strokecolor = 'rgba(0,0,0,' + (Math.random()*0.1 + 0.01).toString() +')';
drawLine(slideOfInterest,pointsMemory[i][0]+'%',pointsMemory[i][1]+'%', pointsMemory[j][0]+'%', pointsMemory[j][1]+'%', strokecolor, 0.1)
}
}
}
radius = Math.random()*radiusDeviation + radiusBase;
colorchosen = colorchoices[parseInt(Math.random()*(colorchoices.length))];
drawDot(slideOfInterest,pointsMemory[i][0]+'%',pointsMemory[i][1]+'%',radius+'%', colorchosen)
}
}
if (type == 'newpoint') {
p1X = pointOfInterest[0];
p1Y = pointOfInterest[1];
pointToBeAdded = [(pointOfInterest[0]/window.innerWidth)*100, (pointOfInterest[1]/window.innerHeight)*100]
for (j = 0; j < pointsMemory.length; j++) {
if (pointsMemory[j] != pointsMemory[i]) {
p2X = pointsMemory[j][0]*window.innerWidth*0.01;
p2Y = pointsMemory[j][1]*window.innerHeight*0.01;
distance = Math.sqrt(((p2X-p1X)*(p2X-p1X)) + ((p2Y-p1Y)*(p2Y-p1Y)))
if (distance < delta*window.innerWidth*0.01) {
strokecolor = 'rgba(0,0,0,' + (Math.random()*0.1 + 0.01).toString() +')';
drawLine(slideOfInterest,pointToBeAdded[0]+'%',pointToBeAdded[1]+'%', pointsMemory[j][0]+'%', pointsMemory[j][1]+'%', strokecolor, 0.1)
}
}
}
radius = Math.random()*radiusDeviation + radiusBase;
colorchosen = colorchoices[parseInt(Math.random()*(colorchoices.length))];
drawDot(slideOfInterest,pointToBeAdded[0]+'%',pointToBeAdded[1]+'%',radius+'%', colorchosen)
pointsMemory.push(pointToBeAdded);
console.log(pointToBeAdded[0],pointToBeAdded[1])
}
}
function addingdots(event) {
var rect = maindots.getBoundingClientRect();
posx = event.clientX - rect.left;
posy = event.clientY - rect.top;
drawConnectingDots(maindots,'newpoint',[posx,posy]);
}
drawConnectingDots(maindots,'addingmany', [0,0])
maindots.addEventListener('click', addingdots);
// if (window.innerWidth > window.innerHeight) {
// document.getElementById('maincover').style.background = 'linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,1), rgba(255,255,255,0))';
// }
// else {
// document.getElementById('maincover').style.background = 'linear-gradient(0deg, rgba(255,255,255,0), rgba(255,255,255,1), rgba(255,255,255,0))';
// }
</script>
</body>
<html>