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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>🗜️ 3-Axis CNC Mill G-Code Simulator</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<!--
<script src="lib/jquery-3.7.1.min.js"></script>
<link href="lib/bootstrap-3.1.1/css/bootstrap.min.css" rel="stylesheet">
<link href="lib/bootstrap-slider.min.css" rel="stylesheet">
<script src="lib/bootstrap-3.1.1/js/bootstrap.min.js"></script>
<script src="lib/bootstrap-slider.min.js"></script>
-->
<script src="lib/gl-matrix-2.2.0-min.js"></script>
<script src="lib/webgl-utils.js"></script>
<script src="js/parseGcode.js"></script>
<script src="js/RenderPath.js"></script>
<script>
let renderPath;
function simulator_init() {
renderPath = startRenderPath({}, document.querySelector("#renderPathCanvas"), null, 'js', simulate);
}
function simulate(rp) {
if(!renderPath) renderPath = rp;
var canvas = document.getElementById('renderPathCanvas');
canvas.width = canvas.offsetWidth;
canvas.height = canvas.offsetHeight;
renderPath.fillPathBuffer(jscut.parseGcode({}, document.querySelector('textarea#gcodeText').value), document.querySelector('input#surfaceZ').value, document.querySelector('input#cutterDia').value, document.querySelector('input#cutterAngle').value, document.querySelector('input#cutterHeight').value);
set_time();
}
window.addEventListener("resize", simulate);
function set_time() {
timeSliderElement = document.querySelector('#timeSlider');
renderPath.setStopAtTime(timeSliderElement.value / timeSliderElement.getAttribute("max") * renderPath.totalTime);
document.getElementById('timeDisplay').innerHTML = (Math.round(timeSliderElement.value / timeSliderElement.getAttribute("max") * renderPath.totalTime) + 's');
document.getElementById('coordsDisplay').innerHTML = ("<span id='cox'>X:" + renderPath.X.toFixed(2) + "</span> <span id='coy'>Y:" + renderPath.Y.toFixed(2) + "</span> <span id='coz'>Z:" + renderPath.Z.toFixed(2)+"</span>");
//document.getElementById('timeTotDisplay').innerHTML = renderPath.totalTime + 's';
}
function loadfile() {
var reader = new FileReader();
reader.onload = function (e) {
document.getElementById("gcodeText").value = e.target.result;
simulate();
config_changed();
};
reader.readAsText(document.getElementById("myFile").files[0]);
}
var anim;
function animate_next() {
slider = document.getElementById("timeSlider");
slider.value = Number(slider.value)+30;
if(slider.value >= 10000) slider.value=0;
slider.dispatchEvent(new Event('change'));
}
function animatec() {
if(!anim) anim = setInterval(animate_next, 100);
else { clearInterval(anim); anim=undefined; }
config_changed();
}
const hashParams = new URLSearchParams(window.location.hash.substring(1));
//alert(hashParams.get('gcode').length);
function config_changed(gcode=false) {
hashParams.set('bd', document.querySelector('input#cutterDia').value);
hashParams.set('ba', document.querySelector('input#cutterAngle').value);
hashParams.set('bh', document.querySelector('input#cutterHeight').value);
hashParams.set('sz', document.querySelector('input#surfaceZ').value);
hashParams.set('an', Number(!!anim));
//hashParams.set('gcode', document.querySelector('textarea#gcodeText').value);
hashParams.delete('gcode');
window.location.hash=hashParams.toString();
if(gcode) try {
hashParams.delete('gurl');
window.location.hash=hashParams.toString()+"&gcode="+encodeURIComponent(document.querySelector('textarea#gcodeText').value);
} catch {
alert(document.querySelector('textarea#gcodeText').value.length+" bytes of G-Code is too long for URL!");
}
}
function parse_url() {
if(hashParams.get('bd')) document.querySelector('input#cutterDia').value=hashParams.get('bd');
if(hashParams.get('ba')) document.querySelector('input#cutterAngle').value=hashParams.get('ba');
if(hashParams.get('bh')) document.querySelector('input#cutterHeight').value=hashParams.get('bh');
if(hashParams.get('sz')) document.querySelector('input#surfaceZ').value=hashParams.get('sz');
if(hashParams.get('gcode')) document.querySelector('textarea#gcodeText').value=hashParams.get('gcode');
if(hashParams.get('gurl')) fetch(hashParams.get('gurl')).then((response) => response.text()).then((text) => {document.querySelector('textarea#gcodeText').value=(";DOWNLOADED FROM: "+hashParams.get('gurl')+"\n"+text); simulate();});
if(hashParams.get('an') && hashParams.get('an') == Number(!anim)) animatec();
}
</script>
<style>
* { font-family: Helvetica, sans-serif; }
// html, body: { padding: 0 0 0 0; margin: 0 0 0 0; }
// div { border: 3px solid blue; }
td * { width: 98%; }
a { text-decoration: none; color: royalblue; }
#cox { color: darkred; display: inline-block; width: 9ch; }
#coy { color: darkgreen; display: inline-block; width: 9ch; }
#coz { color: darkblue; display: inline-block; width: 9ch; }
</style>
</head>
<body onload="simulator_init(); parse_url(); simulate();">
<div style="float: left; width: 70%; height: 97vh; text-align: left;">
<canvas id="renderPathCanvas" style="border: none; display: block; width: 100%; height: 92%;"></canvas><br />
T:<span id="timeDisplay"></span> <span id="coordsDisplay" style="float:right;"></span><br />
<input type="range" min="0" max="10000" value="10000" class="slider" id="timeSlider" style="width: 100%; float:right;" onchange="set_time()" oninput="set_time()" />
<!-- input id="timeSlider" type="text" data-slider-min="0" data-slider-max="1000" data-slider-step="1" data-slider-value="1000" style="width: 90%;" / -->
</div>
<div style="float: right; width: 28%; height: 97vh;">
<h2><a href="https://github.com/harvie/cnc-simulator">3-Axis CNC G-Code Simulator</a></h2>
<table style="width: 100%;">
<tr><td>Bit Diameter:</td><td><input id="cutterDia" type="number" onchange="config_changed()" value="3.175"></td></tr>
<tr><td>Bit Angle:</td><td><input id="cutterAngle" type="number" onchange="config_changed()" value="180"></td></tr>
<tr><td>Bit Height:</td><td><input id="cutterHeight" type="number" onchange="config_changed()" value="50"></td></tr>
<tr><td>Surface Z:</td><td><input id="surfaceZ" type="number" onchange="config_changed()" value="0"></td></tr>
</table>
<textarea id="gcodeText" style="width: 98%; height: 66vh;">
G0 X0 Y0 Z3
G1 Z0 F40
G2 X10 Y10 I5 J5 Z-3
G0 Z3
</textarea><br />
<input id="myFile" type="file" accept=".gcode,.nc,.ngc,.txt,.g-code,.cnc" onchange="loadfile();" style="float: left;" />
<button onclick="simulate()" style="float:right;"><b>SIMULATE</b></button>
<button onclick="animatec()" style="float:right;">ANIMATE</button>
<button onclick="config_changed(true)" style="float:right;">TO URL</button>
<br /><br />
© Todd Fleming 2014, Tomas Mudrunka 2024
</div>
</body>
</html>