vmario/Doodle3D-Slicer
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construct geometry in worker

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This commit is contained in:
casperlamboo 2017-11-12 11:53:45 +01:00
parent b6f94f6edb
commit 245e1b705a
4 changed files with 99 additions and 79 deletions
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4
src/interface/index.js
View File

@ -107,12 +107,12 @@ class Interface extends React.Component {
mesh.updateMatrix();
const matrix = new THREE.Matrix4().makeTranslation(centerY, 0, centerX).multiply(mesh.matrix);
const gcode = await sliceGeometry(settings, geometry, matrix, true, true, (process) => {
const gcode = await sliceGeometry(settings, geometry, matrix, false, true, (process) => {
console.log('process: ', process);
});
// TODO
// can't disable control
// can't disable control ui still interacts with mouse input
control.visible = false;
mesh.visible = false;

65
src/sliceActions/slice.js
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@ -1,3 +1,4 @@
import * as THREE from 'three';
import calculateLayersIntersections from './calculateLayersIntersections.js';
import createLines from './createLines.js';
import generateInfills from './generateInfills.js';
@ -13,7 +14,7 @@ import detectOpenClosed from './detectOpenClosed.js';
import applyPrecision from './applyPrecision.js';
// import removePrecision from './removePrecision.js';
export default function(settings, geometry, onProgress) {
export default function(settings, geometry, constructLinePreview, onProgress) {
const totalStages = 12;
let current = -1;
const updateProgress = (action) => {
@ -72,5 +73,67 @@ export default function(settings, geometry, onProgress) {
updateProgress('Finished');
if (constructLinePreview) gcode.linePreview = createGcodeGeometry(gcode.gcode);
gcode.gcode = gcodeToString(gcode.gcode);
return gcode;
}
function gcodeToString(gcode) {
const currentValues = {};
return gcode.reduce((string, command) => {
let first = true;
for (const action in command) {
const value = command[action];
const currentValue = currentValues[action];
if (first) {
string += action + value;
first = false;
} else if (currentValue !== value) {
string += ` ${action}${value}`;
currentValues[action] = value;
}
}
string += '\n';
return string;
}, '');
}
const MAX_SPEED = 100 * 60;
function createGcodeGeometry(gcode) {
const positions = [];
const colors = [];
let lastPoint
for (let i = 0; i < gcode.length; i ++) {
const { G, F, X, Y, Z } = gcode[i];
if (X || Y || Z) {
let color;
if (G === 0) {
color = new THREE.Color(0x00ff00);
} else if (G === 1) {
color = new THREE.Color().setHSL(F / MAX_SPEED, 0.5, 0.5);
}
if (G === 1) {
if (lastPoint) positions.push(lastPoint[0], lastPoint[1], lastPoint[2]);
positions.push(Y, Z, X);
colors.push(color.r, color.g, color.b);
colors.push(color.r, color.g, color.b);
}
lastPoint = [Y, Z, X];
}
}
const geometry = new THREE.BufferGeometry();
geometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(positions), 3));
geometry.addAttribute('color', new THREE.BufferAttribute(new Float32Array(colors), 3));
const material = new THREE.LineBasicMaterial({ vertexColors: THREE.VertexColors });
const linePreview = new THREE.LineSegments(geometry, material);
return linePreview;
}

95
src/slicer.js
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@ -12,7 +12,7 @@ export function sliceMesh(settings, mesh, sync = false, constructLinePreview = f
return sliceGeometry(settings, geometry, matrix, sync, onProgress);
}
export async function sliceGeometry(settings, geometry, matrix, sync = false, constructLinePreview = false, onProgress) {
export function sliceGeometry(settings, geometry, matrix, sync = false, constructLinePreview = false, onProgress) {
if (!geometry) {
throw new Error('Missing required geometry argument');
} else if (geometry.isBufferGeometry) {
@ -31,24 +31,18 @@ export async function sliceGeometry(settings, geometry, matrix, sync = false, co
geometry.applyMatrix(matrix);
}
let gcode;
if (sync) {
gcode = sliceSync(settings, geometry, onProgress);
return sliceSync(settings, geometry, constructLinePreview, onProgress);
} else {
gcode = await sliceAsync(settings, geometry, onProgress);
return sliceAsync(settings, geometry, constructLinePreview, onProgress);
}
if (constructLinePreview) gcode.linePreview = createGcodeGeometry(gcode.gcode);
gcode.gcode = gcodeToString(gcode.gcode);
return gcode;
}
function sliceSync(settings, geometry, onProgress) {
return slice(settings, geometry, onProgress);
function sliceSync(settings, geometry, constructLinePreview, onProgress) {
return slice(settings, geometry, constructLinePreview, onProgress);
}
function sliceAsync(settings, geometry, onProgress) {
function sliceAsync(settings, geometry, constructLinePreview, onProgress) {
return new Promise((resolve, reject) => {
// create the slicer worker
const slicerWorker = new SlicerWorker();
@ -64,6 +58,20 @@ function sliceAsync(settings, geometry, onProgress) {
switch (message) {
case 'SLICE': {
slicerWorker.terminate();
if (data.gcode.linePreview) {
const geometry = new THREE.BufferGeometry();
const { position, color } = data.gcode.linePreview;
geometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(position), 3));
geometry.addAttribute('color', new THREE.BufferAttribute(new Float32Array(color), 3));
const material = new THREE.LineBasicMaterial({ vertexColors: THREE.VertexColors });
const linePreview = new THREE.LineSegments(geometry, material);
data.gcode.linePreview = linePreview;
}
resolve(data.gcode);
break;
}
@ -82,68 +90,9 @@ function sliceAsync(settings, geometry, onProgress) {
message: 'SLICE',
data: {
settings,
geometry
geometry,
constructLinePreview
}
});
});
}
function gcodeToString(gcode) {
const currentValues = {};
return gcode.reduce((string, command) => {
let first = true;
for (const action in command) {
const value = command[action];
const currentValue = currentValues[action];
if (first) {
string += action + value;
first = false;
} else if (currentValue !== value) {
string += ` ${action}${value}`;
currentValues[action] = value;
}
}
string += '\n';
return string;
}, '');
}
const MAX_SPEED = 100 * 60;
function createGcodeGeometry(gcode) {
const geometry = new THREE.BufferGeometry();
const positions = [];
const colors = [];
let lastPoint
for (let i = 0; i < gcode.length; i ++) {
const { G, F, X, Y, Z } = gcode[i];
if (X || Y || Z) {
let color;
if (G === 0) {
color = new THREE.Color(0x00ff00);
} else if (G === 1) {
color = new THREE.Color().setHSL(F / MAX_SPEED, 0.5, 0.5);
}
if (G === 1) {
if (lastPoint) positions.push(lastPoint[0], lastPoint[1], lastPoint[2]);
positions.push(Y, Z, X);
colors.push(color.r, color.g, color.b);
colors.push(color.r, color.g, color.b);
}
lastPoint = [Y, Z, X];
}
}
geometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(positions), 3));
geometry.addAttribute('color', new THREE.BufferAttribute(new Float32Array(colors), 3));
const material = new THREE.LineBasicMaterial({ vertexColors: THREE.VertexColors });
const line = new THREE.LineSegments(geometry, material);
return line;
}

14
src/slicer.worker.js
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@ -15,15 +15,23 @@ self.addEventListener('message', (event) => {
const { message, data } = event.data;
switch (message) {
case 'SLICE': {
const { settings, geometry: JSONGeometry } = data;
const buffers = [];
const { settings, geometry: JSONGeometry, constructLinePreview } = data;
const { geometry } = loader.parse(JSONGeometry.data);
const gcode = slice(settings, geometry, onProgress);
const gcode = slice(settings, geometry, constructLinePreview, onProgress);
if (gcode.linePreview) {
const position = gcode.linePreview.geometry.getAttribute('position').array;
const color = gcode.linePreview.geometry.getAttribute('color').array;
buffers.push(position.buffer, color.buffer);
gcode.linePreview = { position, color };
}
self.postMessage({
message: 'SLICE',
data: { gcode }
});
}, buffers);
break;
}
}