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toolpath.html
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toolpath.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3D Toolpath Visualization</title>
<style>
html,
body {
margin: 0;
padding: 0;
overflow: hidden;
height: 100%;
}
.label {
position: absolute;
font-size: 16px;
font-weight: bold;
z-index: 150;
}
#labelX {
color: red;
}
#labelY {
color: green;
}
#labelZ {
color: blue;
}
#info {
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display: block;
}
.slider-container {
position: relative;
}
.slider {
position: absolute;
width: 100%;
}
#drop_zone {
display: none;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(255, 255, 255, 0.5);
z-index: 999;
}
</style>
</head>
<body>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<input type="range" id="rangeSliderEnd" min="0" max="1" step="0.00001" value="0.01"
style="position: absolute; bottom: 5px; left: 10px; width: 95%;">
<input type="range" id="rangeSliderStart" min="0" max="1" step="0.00001" value="0.01"
style="position: absolute; bottom: 35px; left: 10px; width: 95%;">
<label id="rangeLabel" style="position: absolute; bottom: 25px; left:50%;">100%</label>
<input type="checkbox" id="toggleLines" checked>
<input type="checkbox" id="togglePoints" checked>
<input type="checkbox" id="camera" checked>
<input type="checkbox" id="visibleLinesCheckbox" />
<div id="datum">0.0</div>
<div id="drop_zone">
<p id="drop_zone_text" style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);">Drop
STL file here</p>
</div>
<script>
const dropZone = document.getElementById('drop_zone');
window.addEventListener('dragenter', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'block';
});
window.addEventListener('dragover', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'block';
});
window.addEventListener('dragleave', (event) => {
event.preventDefault();
event.stopPropagation();
});
window.addEventListener('drop', (event) => {
event.preventDefault();
event.stopPropagation();
});
dropZone.addEventListener('dragenter', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'block';
});
dropZone.addEventListener('dragover', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'block';
});
dropZone.addEventListener('dragleave', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'none';
});
dropZone.addEventListener('drop', (event) => {
event.preventDefault();
event.stopPropagation();
dropZone.style.display = 'none';
const files = event.dataTransfer.files;
if (files.length > 0) {
const file = files[0];
for (let i = 0; i < files.length; i++) {
if (file.name.toLowerCase().endsWith('.stl')) {
handleFileUpload(files[i]);
} else {
///File not supported
}
}
}
});
function handleFileUpload(file) {
// console.log(`File dropped: ${file.name}`);
// Pass the file to the handleFileUpload function in the module script
handleFileUploadInModule(file);
}
</script>
<script type="importmap">
{
"imports": {
"three": "https://unpkg.com/[email protected]/build/three.module.js",
"three/addons/": "https://unpkg.com/[email protected]/examples/jsm/"
}
}
</script>
<div id="navigation-overlay" style="position: absolute; top: 20px; right: 20px;"></div>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { TextGeometry } from 'three/addons/geometries/TextGeometry.js';
import { WebGLRenderer } from "three";
import Stats from 'three/addons/libs/stats.module.js';
import { GPUStatsPanel } from 'three/addons/utils/GPUStatsPanel.js';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
import { TrackballControls } from 'three/addons/controls/TrackballControls.js';
import { STLLoader } from 'three/addons/loaders/STLLoader.js';
import { TransformControls } from 'three/addons/controls/TransformControls.js';
import { VertexNormalsHelper } from 'three/addons/helpers/VertexNormalsHelper.js';
import { SelectionBox } from 'three/addons/interactive/SelectionBox.js';
import { SelectionHelper } from 'three/addons/interactive/SelectionHelper.js';
let line, thresholdLine, segments, thresholdSegments;
let renderer, scene, camera, perspectiveCamera, orthographicCamera, orientationGizmo, controls, transformControls, selectionBox, selectionHelper;
let stats, gpuPanel;
let gui;
let points, models, mesh;
let stlLoader;
const rangeSiderEnd = document.getElementById("rangeSliderEnd");
const rangeSiderStart = document.getElementById("rangeSliderStart");
const rangeLabel = document.getElementById("rangeLabel");
let toolpathData = [];
let visibleLines = [];
let isDragging = false;
init();
animate();
const light = new THREE.AmbientLight(0x404040); // soft white light
scene.add(light);
const directionalLight = new THREE.DirectionalLight(0xffffff);
scene.add(directionalLight);
// Add this function to your module script
window.handleFileUploadInModule = function (file) {
// console.log(`Handling file upload in module: ${file.name}`);
stlLoader = new STLLoader();
stlLoader.load(URL.createObjectURL(file), function (geometry) {
const material = new THREE.MeshStandardMaterial({ color: 0x0ED5F1, side: THREE.DoubleSide })
mesh = new THREE.Mesh(geometry, material);
// mesh.material.depthWrite = false;
mesh.position.set(105, 105, 0);
mesh.rotation.set(-180, 0, 0);
mesh.scale.set(1, 1, 1);
transformControls.attach(mesh);
const helper = new VertexNormalsHelper(mesh, 1, 0xff0000);
// scene.add(helper);
scene.add(mesh);
});
};
function init() {
const frustumSize = 400;
camera = null;
const aspect = window.innerWidth / window.innerHeight;
//***Scene***//
scene = new THREE.Scene();
// scene.background = new THREE.Color(0x565656);
scene.background = new THREE.Color(0xF5F5F7);
//***Renderer***//
renderer = new THREE.WebGLRenderer({
powerPreference: "high-performance",
antialias: true,
stencil: false,
depth: true,
alpha: true,
depthBufferType: THREE.FloatType,
});
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setClearColor(0x000000, 0.0);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
//***Camera***//
perspectiveCamera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
orthographicCamera = new THREE.OrthographicCamera(frustumSize * aspect / - 2, frustumSize * aspect / 2, frustumSize / 2, frustumSize / - 2, 1, 1000);
orthographicCamera.position.z = 500;
camera = perspectiveCamera;
camera.position.z = 75;
camera.position.y = (-105 * 2);
camera.position.x = 105;
selectionBox = new SelectionBox(camera, scene);
selectionHelper = new SelectionHelper(renderer, 'selectBox');
//****Helpers****//
const size = 210;
const divisions = 10;
const gridHelper = new THREE.GridHelper(size, divisions);
gridHelper.position.y = size / 2;
gridHelper.position.x = size / 2;
gridHelper.rotation.x = 90 * (Math.PI / 180);
scene.add(gridHelper);
//const cameraHelper = new THREE.CameraHelper(camera);
// scene.add(cameraHelper);
const axesHelper = new THREE.AxesHelper(50);
scene.add(axesHelper);
//***Controls***//
controls = new OrbitControls(camera, renderer.domElement);
controls.target = new THREE.Vector3(105, 105, 0);
controls.enabled = true;
// Disable default left-click rotation
controls.mouseButtons.LEFT = null;
// Set middle-click to pan
controls.mouseButtons.MIDDLE = THREE.MOUSE.PAN;
// Set right-click to rotate
controls.mouseButtons.RIGHT = THREE.MOUSE.ROTATE;
controls.enableRotate = true;
// Enable zoom using the mouse scroll
controls.enableZoom = true;
// controls.rotateSpeed *= -1;
transformControls = new TransformControls(camera, renderer.domElement);
transformControls.addEventListener('change', render);
transformControls.mode = 'rotate'
transformControls.addEventListener('dragging-changed', function (event) {
OrbitControls.enabled = !event.value
});
scene.add(transformControls);
//***Actions***//
//Slider
function getRandomColor() {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
const pointsMaterial = new THREE.PointsMaterial({ size: 0.5, color: getRandomColor() });
const lineMaterial = new THREE.LineBasicMaterial({ color: 0x05c4bc, linewidth: 1, });
//Showing points within range
rangeSiderEnd.addEventListener("input", updateGeometry);
rangeSiderStart.addEventListener("input", updateGeometry);
//Checkbox
const toggleLinesCheckbox = document.getElementById('toggleLines');
const togglePointsCheckbox = document.getElementById('togglePoints');
const toggleActiveLinesCheckbox = document.getElementById('visibleLinesCheckbox');
toggleLinesCheckbox.addEventListener('change', (event) => {
line.visible = event.target.checked;
});
togglePointsCheckbox.addEventListener('change', (event) => {
updateVisibleLines();
});
toggleActiveLinesCheckbox.addEventListener('change', (event) => {
//change range slider
});
document.addEventListener('pointerdown', function (event) {
selectionBox.startPoint.set(
(event.clientX / window.innerWidth) * 2 - 1,
-(event.clientY / window.innerHeight) * 2 + 1,
0.5
);
});
document.addEventListener('pointermove', function (event) {
if (selectionHelper.isDown) {
selectionBox.endPoint.set(
(event.clientX / window.innerWidth) * 2 - 1,
-(event.clientY / window.innerHeight) * 2 + 1,
0.5
);
const allSelected = selectionBox.select();
for (let i = 0; i < allSelected.length; i++) {
// allSelected[i].material.color.set(0xffffff);
}
}
});
document.addEventListener('pointerup', function (event) {
selectionBox.endPoint.set(
(event.clientX / window.innerWidth) * 2 - 1,
-(event.clientY / window.innerHeight) * 2 + 1,
0.5
);
const allSelected = selectionBox.select();
for (let i = 0; i < allSelected.length; i++) {
allSelected[i].material.color.set(0xffffff);
}
});
//***Geometry data***//
//Line
const lineGeometry = new THREE.BufferGeometry().setFromPoints(toolpathData);
line = new THREE.Line(lineGeometry, lineMaterial);
scene.add(line);
//Points
const pointsGeometry = new THREE.BufferGeometry().setFromPoints(toolpathData);
points = new THREE.Points(pointsGeometry, pointsMaterial);
scene.add(points);
updateGeometry();
}
let documentUri = '';
window.addEventListener('message', (event) => {
loadData(event);
});
window.addEventListener('message', (event) => {
console.log("Message received.Panels opened");
const message = event.data;
switch (message.type) {
case 'updateToolpath':
loadData(event);
break;
case 'visibleLines':
// console.log("Message received" + message.visibleLines.start + "," + message.visibleLines.end);
handleVisibleLines(message.visibleLines);
break;
}
});
//load data
function loadData(event) {
const message = event.data;
if (message.type === 'updateToolpath') {
const uri = message.uri;
const gcodeContent = message.gcodeContent;
// Update documentUri to the new URI
documentUri = uri;
// Parse the G-code content and update the toolpath
toolpathData = parseGcode(gcodeContent);
const lineGeometry = new THREE.BufferGeometry().setFromPoints(toolpathData);
const pointsGeometry = new THREE.BufferGeometry().setFromPoints(toolpathData);
line.geometry.dispose();
line.geometry = lineGeometry;
points.geometry.dispose();
points.geometry = pointsGeometry;
}
}
function handleVisibleLines(visibleLines) {
const checkBox = document.getElementById('visibleLinesCheckbox'); // Add an ID to your checkbox in the HTML
if (checkBox.checked) {
const startValue = visibleLines.start / toolpathData.length;
const endValue = visibleLines.end / toolpathData.length;
rangeSiderStart.value = startValue;
rangeSiderEnd.value = endValue;
updateGeometry(); // This function is already in your code
}
}
function applyGcodeDiff(gcodeDiff) {
let updatedGcodeContent = '';
gcodeDiff.forEach(([operation, text]) => {
switch (operation) {
case 0: // Equal
updatedGcodeContent += text;
break;
case 1: // Insert
updatedGcodeContent += text;
break;
case -1: // Delete
break;
}
});
return updatedGcodeContent;
}
function parseGcode(gcodeContent) {
const lines = gcodeContent.split("\n");
const coordinates = [];
var current = new THREE.Vector3();
let lastCommand = "";
for (var line of lines) {
const command = line.split(" ")[0].toUpperCase();
if (command === "G1" || command === "G0") {
const matchX = line.match(/X(-?\d+(\.\d+)?)/);
const matchY = line.match(/Y(-?\d+(\.\d+)?)/);
const matchZ = line.match(/Z(-?\d+(\.\d+)?)/);
const newX = matchX ? parseFloat(matchX[1]) : current.x;
const newY = matchY ? parseFloat(matchY[1]) : current.y;
const newZ = matchZ ? parseFloat(matchZ[1]) : current.z;
const next = new THREE.Vector3(newX, newY, newZ);
coordinates.push(current, next);
current = next;
lastCommand = command;
} else if (command === "G2" || command === "G3") {
const matchX = line.match(/X(-?\d+(\.\d+)?)/);
const matchY = line.match(/Y(-?\d+(\.\d+)?)/);
const matchZ = line.match(/Z(-?\d+(\.\d+)?)/);
const matchI = line.match(/I(-?\d+(\.\d+)?)/);
const matchJ = line.match(/J(-?\d+(\.\d+)?)/);
const matchR = line.match(/R(-?\d+(\.\d+)?)/);
const newX = matchX ? parseFloat(matchX[1]) : current.x;
const newY = matchY ? parseFloat(matchY[1]) : current.y;
const newZ = matchZ ? parseFloat(matchZ[1]) : current.z;
const I = matchI ? parseFloat(matchI[1]) : null;
const J = matchJ ? parseFloat(matchJ[1]) : null;
const R = matchR ? parseFloat(matchR[1]) : null;
const clockwise = command === "G2";
const arcPoints = computeArcPoints(current, newX, newY, newZ, I, J, R, clockwise);
coordinates.push(...arcPoints);
current = arcPoints[arcPoints.length - 1];
lastCommand = command;
}
}
return coordinates;
}
function computeArcPoints(start, endX, endY, endZ, I, J, R, clockwise) {
const end = new THREE.Vector3(endX, endY, endZ);
let centerX, centerY;
let center = new THREE.Vector3();
let radius;
if (I !== null && J !== null) {
centerX = start.x + I;
centerY = start.y + J;
radius = Math.sqrt(I * I + J * J);
} else if (R !== null) {
const d = start.distanceTo(end) / 2;
if (R < d) {
console.error("Invalid arc: radius is smaller than the distance between start and end points.");
return [start, end];
}
radius = R;
const midPoint = start.clone().lerp(end, 0.5);
const v1 = end.clone().sub(start).normalize();
const v2 = start.clone().sub(midPoint).normalize();
const normal = v1.clone().cross(v2).normalize();
const theta = Math.acos(v1.dot(v2));
const h = Math.sqrt(R * R - d * d);
center = midPoint.clone().add(normal.clone().multiplyScalar(h));
const centerAlt = midPoint.clone().add(normal.clone().multiplyScalar(-h));
if (start.distanceTo(centerAlt) < start.distanceTo(center)) {
center = centerAlt;
}
} else {
console.error("Invalid arc: either I, J, or R parameter must be provided.");
return [start, end];
}
const startAngle = Math.atan2(start.y - centerY, start.x - centerX);
let endAngle = Math.atan2(end.y - centerY, end.x - centerX);
let deltaAngle;
if (clockwise) {
deltaAngle = endAngle <= startAngle ? startAngle - endAngle : startAngle - endAngle + 2 * Math.PI;
} else {
deltaAngle = endAngle >= startAngle ? endAngle - startAngle : endAngle - startAngle + 2 * Math.PI;
}
const segments = Math.max(Math.ceil(Math.abs(radius * deltaAngle) / 1), 10);
const arcPoints = [];
for (let i = 0; i <= segments; i++) {
const t = i / segments;
const angle = THREE.MathUtils.lerp(startAngle, startAngle + (clockwise ? -deltaAngle : deltaAngle), t);
const x = centerX + radius * Math.cos(angle);
const y = centerY + radius * Math.sin(angle);
const z = THREE.MathUtils.lerp(start.z, end.z, t);
arcPoints.push(new THREE.Vector3(x, y, z));
}
return arcPoints;
}
function updateGeometry() {
const endValue = parseFloat(rangeSiderEnd.value);
const startValue = parseFloat(rangeSiderStart.value);
if (endValue <= startValue) {
rangeSiderEnd.value = startValue;
return;
} else
if (startValue >= endValue) {
rangeSiderStart.value = endValue;
return;
}
rangeLabel.textContent = `${Math.round(endValue * 100)}%`;
const startIndex = Math.floor(toolpathData.length * startValue);
const endIndex = Math.floor(toolpathData.length * endValue);
const tempPoints = toolpathData.slice(startIndex, endIndex);
const lineGeometry = new THREE.BufferGeometry().setFromPoints(tempPoints);
const pointsGeometry = new THREE.BufferGeometry().setFromPoints(tempPoints);
line.geometry.dispose();
line.geometry = lineGeometry;
points.geometry.dispose();
points.geometry = pointsGeometry;
}
function animate() {
requestAnimationFrame(animate);
// Update controls and transformation
controls.update();
// Render main scene
renderer.setViewport(0, 0, window.innerWidth, window.innerHeight);
renderer.render(scene, camera);
updateGeometry();
}
//This function is because i needed to recall render the scene every time i change the slider value
function render() {
renderer.render(scene, camera);
}
function createArcGeometry(start, end, I, J, isClockwise, segments = 100) {
const center = start.clone().add(new THREE.Vector3(I, J, 0));
const radius = center.distanceTo(start);
const startAngle = Math.atan2(start.y - center.y, start.x - center.x);
const endAngle = Math.atan2(end.y - center.y, end.x - center.x);
const arcPoints = [];
if (!isClockwise) {
if (endAngle <= startAngle) {
endAngle += 2 * Math.PI;
}
} else {
if (endAngle >= startAngle) {
endAngle -= 2 * Math.PI;
}
}
for (let i = 0; i <= segments; i++) {
const t = i / segments;
const angle = THREE.MathUtils.lerp(startAngle, endAngle, t);
const x = center.x + radius * Math.cos(angle);
const y = center.y + radius * Math.sin(angle);
arcPoints.push(new THREE.Vector3(x, y, 0));
}
return new THREE.BufferGeometry().setFromPoints(arcPoints);
}
//Global variables will be moved to program beginning.
function parseGcodeProgram(gcodeContent) {
const lines = gcodeContent.split("\n");
const coordinates = [];
var current = new THREE.Vector3();
let lastCommand = "";
for (var line of lines) {
const command = line.split(" ")[0].toUpperCase();
//Sets the feed rate for subsequent moves.
//Traces straight line from point to point.
//G1 includes extrusion E, but not necessarily.
//G0 Usually doesn't include extrusion E.
if (command === "G1" || command === "G0") {
const matchX = line.match(/X(-?\d+(\.\d+)?)/);
const matchY = line.match(/Y(-?\d+(\.\d+)?)/);
const matchZ = line.match(/Z(-?\d+(\.\d+)?)/);
const newX = matchX ? parseFloat(matchX[1]) : current.x;
const newY = matchY ? parseFloat(matchY[1]) : current.y;
const newZ = matchZ ? parseFloat(matchZ[1]) : current.z;
const next = new THREE.Vector3(newX, newY, newZ);
coordinates.push(current, next);
current = next;
lastCommand = command;
} else if (command === "G2" || command === "G3") {
const matchX = line.match(/X(-?\d+(\.\d+)?)/);
const matchY = line.match(/Y(-?\d+(\.\d+)?)/);
const matchZ = line.match(/Z(-?\d+(\.\d+)?)/);
const matchI = line.match(/I(-?\d+(\.\d+)?)/);
const matchJ = line.match(/J(-?\d+(\.\d+)?)/);
const matchR = line.match(/R(-?\d+(\.\d+)?)/);
const newX = matchX ? parseFloat(matchX[1]) : current.x;
const newY = matchY ? parseFloat(matchY[1]) : current.y;
const newZ = matchZ ? parseFloat(matchZ[1]) : current.z;
const I = matchI ? parseFloat(matchI[1]) : null;
const J = matchJ ? parseFloat(matchJ[1]) : null;
const R = matchR ? parseFloat(matchR[1]) : null;
const clockwise = command === "G2";
const arcPoints = computeArcPoints(current, newX, newY, newZ, I, J, R, clockwise);
coordinates.push(...arcPoints);
current = arcPoints[arcPoints.length - 1];
lastCommand = command;
}
}
return coordinates;
}
window.addEventListener('resize', onWindowResize);
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
rangeSiderEnd.ariaValueNow = 10;
renderer.setSize(window.innerWidth, window.innerHeight);
render();
}
</script>
</body>
</html>