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send typed array instead of string across worker

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This commit is contained in:
casperlamboo 2018-02-12 10:28:42 +01:00
parent 4352293e95
commit 45b0f541b1
3 changed files with 24 additions and 2 deletions
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15
src/sliceActions/helpers/binary.js Normal file
View File

@ -0,0 +1,15 @@
export function stringToTypedArray(string) {
const array = new Uint8Array(string.length);
for (let i = 0; i < string.length; i ++) {
array[i] = string.charCodeAt(i);
}
return array;
}
export function typedArrayToString(array) {
let string = '';
for (let i = 0; i < array.length; i ++) {
string += String.fromCharCode(array[i]);
}
return string;
}

6
src/slicer.js
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@ -1,6 +1,7 @@
import * as THREE from 'three';
import slice from './sliceActions/slice.js';
import SlicerWorker from './slicer.worker.js';
import { typedArrayToString } from './sliceActions/helpers/binary.js';
export function sliceMesh(settings, mesh, sync = false, constructLinePreview = false, onProgress) {
if (!mesh || !mesh.isMesh) {
@ -95,6 +96,9 @@ function sliceAsync(settings, geometry, openObjectIndexes, constructLinePreview,
case 'SLICE': {
slicerWorker.terminate();
const { gcode } = data;
gcode.gcode = typedArrayToString(gcode.gcode);
// if (data.gcode.linePreview) {
// const geometry = new THREE.BufferGeometry();
//
@ -108,7 +112,7 @@ function sliceAsync(settings, geometry, openObjectIndexes, constructLinePreview,
// data.gcode.linePreview = linePreview;
// }
resolve(data.gcode);
resolve(gcode);
break;
}
case 'PROGRESS': {

5
src/slicer.worker.js
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@ -1,5 +1,6 @@
import 'core-js'; // polyfills
import slice from './sliceActions/slice.js';
import { stringToTypedArray } from './sliceActions/helpers/binary.js';
const onProgress = progress => {
self.postMessage({
@ -15,8 +16,10 @@ self.addEventListener('message', (event) => {
const { settings, geometry, constructLinePreview, openObjectIndexes } = data;
const gcode = slice(settings, geometry, openObjectIndexes, constructLinePreview, onProgress);
gcode.gcode = stringToTypedArray(gcode.gcode);
const buffers = [gcode.gcode.buffer];
const buffers = [];
// if (gcode.linePreview) {
// const position = gcode.linePreview.geometry.getAttribute('position').array;
// const color = gcode.linePreview.geometry.getAttribute('color').array;