import { PRECISION } from '../constants.js' import getFillTemplate from './getFillTemplate.js'; import Shape from 'Doodle3D/clipper-js'; export default function generateInfills(slices, settings) { console.log('generating infills'); let { layerHeight, fillGridSize, bottomThickness, topThickness, nozzleDiameter, infillOverlap } = settings.config; fillGridSize /= PRECISION; nozzleDiameter /= PRECISION; infillOverlap /= PRECISION; const bottomSkinCount = Math.ceil(bottomThickness/layerHeight); const topSkinCount = Math.ceil(topThickness/layerHeight); const nozzleRadius = nozzleDiameter / 2; const hightemplateSize = Math.sqrt(2 * Math.pow(nozzleDiameter, 2)); for (let layer = 0; layer < slices.length; layer ++) { const slice = slices[layer]; let surroundingLayer; if (layer - bottomSkinCount >= 0 && layer + topSkinCount < slices.length) { const downSkin = slices[layer - bottomSkinCount].getOutline(); const upSkin = slices[layer + topSkinCount].getOutline(); surroundingLayer = upSkin.intersect(downSkin); } for (let i = 0; i < slice.parts.length; i ++) { const part = slice.parts[i]; if (!part.shape.closed) { continue; } const outerLine = part.outerLine; if (outerLine.paths.length > 0) { const inset = (part.innerLines.length > 0) ? part.innerLines[part.innerLines.length - 1] : outerLine; const fillArea = inset.offset(-nozzleRadius); let lowFillArea; let highFillArea; if (surroundingLayer) { highFillArea = fillArea.difference(surroundingLayer); if (infillOverlap > 0) { highFillArea = highFillArea.offset(infillOverlap); } highFillArea = highFillArea.intersect(fillArea); lowFillArea = fillArea.difference(highFillArea); } else { highFillArea = fillArea; } if (lowFillArea && lowFillArea.paths.length > 0) { const bounds = lowFillArea.shapeBounds(); const lowFillTemplate = getFillTemplate(bounds, fillGridSize, true, true); part.fill.join(lowFillTemplate.intersect(lowFillArea)); } if (highFillArea.paths.length > 0) { const bounds = highFillArea.shapeBounds(); const even = (layer % 2 === 0); const highFillTemplate = getFillTemplate(bounds, hightemplateSize, even, !even); part.fill.join(highFillTemplate.intersect(highFillArea)); } } } } }