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179 lines (163 loc) · 8.44 KB
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<html>
<head>
<script type="text/javascript" src="js/dat.gui.min.js"></script>
<script type="text/javascript" src="js/epicycles.js"></script>
<script type="text/javascript" src="js/stats.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<title>Epicycle drawer</title>
<style>
* { margin:0; padding:0; } /* to remove the top and left whitespace */
html, body { width:100%; height:100%; } /* just to be sure these are full screen*/
canvas { display:block; position: absolute; left: 0; top:0;} /* To remove the scrollbars */
/* to show the canvas bounds */
</style>
<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-105326815-1', 'auto');
ga('send', 'pageview');
</script>
</head>
<body>
<canvas id="canvasCircle" style="z-index:-1" ></canvas>
<canvas id="canvasDrawing" style="z-index:-2"></canvas>
<div style="position: absolute; z-index: 0; right: 20px;bottom: 10px; height:20px;">
<a href="https://github.com/Hopperpop"><font color=#a0a0a0 style="font: 15px verdana, sans-serif;">by Hopperpop</font></a>
</div>
<script>
var settings = {harmonics:2,
duration:10,
colorLine:"#c0392b",
colorCircle:"#2980b9",
colorPainting:"#111",
backgroundColor:"#eee",
colorDot:"#c0392b",
line:true,
circle:true,
dot:true,
drawing:"Moore curve",
autoinc:true,
clear:function(){
painting.clear();
animation = 0;
preTime = new Date();
}
};
var gui = new dat.GUI();
var stats = new Stats();
var drawings;
var preTime;
var animation = 0; // 1 for full revolution
var painting = new Painting();;
var scaling = 1;
window.onload = function(){
//get drawings
drawings = (function () {
var json = null;
$.ajax({
'async': false,
'global': false,
'url': "json/drawings.json",
'dataType': "json",
'success': function (data) {
json = data;
}
});
return json;
})();
settings.drawing = Object.keys(drawings)[0];
//create stat gui//
stats.showPanel( 0 );
document.body.appendChild( stats.dom );
//create control gui//
var GuiDrawing = gui.add(settings,"drawing",Object.keys(drawings)).name("Drawing");
var GuiHarm = gui.add(settings,"harmonics",1,drawings[settings.drawing].harmonics).step(1).name("Harmonics");
gui.add(settings,"duration",1,100).name("Duration");
gui.add(settings,"autoinc").name("Auto increase");
var f1 = gui.addFolder('Appearance');
f1.add(settings,"line").name("Draw lines");
f1.add(settings,"circle").name("Draw circles");
f1.add(settings,"dot").name("Draw dot");
var f1 = gui.addFolder('Colors');
f1.addColor(settings,"colorLine").name("Line");
f1.addColor(settings,"colorCircle").name("Circle");
f1.addColor(settings,"colorDot").name("Dot");
var GuiPaintColor = f1.addColor(settings,"colorPainting").name("Drawing");
gui.add(settings,"clear").name("Reset");
var bgColor = f1.addColor(settings,"backgroundColor").name('Background');
function bgChange(value) {
document.getElementById("canvasDrawing").style.background = value;
}
bgChange(settings.backgroundColor);
bgColor.onChange(bgChange);
GuiHarm.onFinishChange(function(value){
painting.calcPoints(drawings[settings.drawing]);
settings.clear();
});
GuiPaintColor.onChange(function(value) {
painting.forceRedraw = true;
});
GuiDrawing.onFinishChange(function(value){
if (settings.autoinc){
settings.harmonics = 2;
for (var i in gui.__controllers) {
gui.__controllers[i].updateDisplay();
}
}
painting.calcPoints(drawings[settings.drawing]);
settings.clear();
GuiHarm.max = drawings[settings.drawing].harmonics;
});
//Resize event//
window.addEventListener('resize', resizeCanvas, false);
function resizeCanvas() {
var canvas = document.getElementById('canvasCircle');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
canvas = document.getElementById('canvasDrawing'),
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
painting.calcPoints(drawings[settings.drawing]);
settings.clear();
}
resizeCanvas();
//start drawing//
preTime = new Date();
painting.calcPoints(drawings[settings.drawing]);
painting.clear();
draw();
}
//main draw function
function draw(){
var canvas = document.getElementById('canvasCircle');
var ctx = canvas.getContext('2d');
stats.begin();
var time = new Date();
var dt = (time.getTime() - preTime.getTime()) / 1000;
preTime = time;
ctx.clearRect(0, 0, canvas.width, canvas.height);
animation += dt/settings.duration;
drawSystem(ctx,Math.PI * 2 * animation,drawings[settings.drawing].amplitudes,drawings[settings.drawing].phase,drawings[settings.drawing].xoffset,drawings[settings.drawing].yoffset);
painting.draw(animation);
if (animation > 1 && drawings[settings.drawing].harmonics > settings.harmonics && settings.autoinc){
animation = 0;
settings.harmonics = Math.min( settings.harmonics*2 ,drawings[settings.drawing].harmonics);
for (var i in gui.__controllers) {
gui.__controllers[i].updateDisplay();
}
painting.calcPoints(drawings[settings.drawing]);
painting.forceRedraw = true;
preTime = new Date();
}
stats.end();
window.requestAnimationFrame(draw);
}
//reset animation
function resetAnimation(){
//animation = 0;
}
</script>
</body>
</html>