Generative artist, sharing my journey in visual experiments.
plotW = 404
plotH = 276
plotterSteps = 0.025 // 0.025mm steps
sortedPaths = {
let sortedPaths = []
let ppaths = paths.map(s => s.map(p => p.clone()))
let pos = PVector(0, 0)
while(ppaths.length) {
const p = ppaths.sort((a, b) => Math.min(pos.distSq(a[0]), pos.distSq(a[1])) - Math.min(pos.distSq(b[0]), pos.distSq(b[1])))
let closest = p.shift()
if(pos.distSq(closest[0]) > pos.distSq(closest[1])) closest = closest.reverse()
pos = closest[1].copy()
sortedPaths.push(closest)
}
return sortedPaths
}
landscapeToPortrait = ({x, y}, width, height) => ({x: width - y, y: x})
rotatedPaths = paths.map(p => p.map(pt => PVector(landscapeToPortrait(pt, plotW, plotH))))
svg`<svg height="${svgDisplayHeight}" viewBox="0 0 ${plotW} ${plotH}">
<g transform="translate(0,${plotH}) scale(1, -1)">
${rotatedPaths.map((p,i) => `<line x1="${p[0].x}" y1="${p[0].y}" x2="${p[1].x}" y2="${p[1].y}" stroke-width=".25" stroke="black"/>`)}
${rotatedPaths.map((p,i) => `${i === 0 ? '' : `<line x1="${rotatedPaths[i-1][1].x}" y1="${rotatedPaths[i-1][1].y}" x2="${p[0].x}" y2="${p[0].y}" stroke-width=".1" stroke="red"/>`}`)}
</g>
</svg>`
cmd = {
let cmd = 'SP1;PU0,0;'
cmd += rotatedPaths.map((p, i) => {
p = p.map(v => v.clone().div(plotterSteps).round())
return `PU${p[0].x},${p[0].y};PD${p[1].x},${p[1].y};`
}).join('')
cmd += `SP;PU${plotW/plotterSteps|0},${plotH/plotterSteps|0};`
return cmd
}
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