list of all extrude glitches

extrudeGlitch.js

const jscad = require('@jscad/modeling')

const { union } = jscad.booleans
const { extrudeLinear } = jscad.extrusions
const { hullChain } = jscad.hulls
const { circle } = jscad.primitives
const { vectorText } = jscad.text
const { translate } = jscad.transforms


// Build text by creating the font strokes (2D), then extruding up (3D).
const text = (message, extrusionHeight, characterLineWidth, segments) => {
  const lineRadius = characterLineWidth / 2
  const lineCorner = circle({ radius: lineRadius, segments: segments })

  const lineSegmentPointArrays = vectorText({ x: 0, y: 0, input: message }) // line segments for each character
  const lineSegments = []
  lineSegmentPointArrays.forEach((segmentPoints) => { // process the line segment
    const corners = segmentPoints.map((point) => translate(point, lineCorner))
    lineSegments.push(hullChain(corners))
  })
  const message2D = union(lineSegments)

  const message3D = extrudeLinear({ height: extrusionHeight }, message2D)
  return message3D;
}


const main = (params) => {
  let objs = [];

  function push(obj) {
    const x = objs.length / 4
    const y = objs.length % 4
    objs.push(translate([x*80, y*80, 0], obj));
  }

  push(text("4", 2, 1, 26))
  push(text("B", 2, 2, 27))
  push(text("R", 2, 2, 27))
  push(text("L", 2, 1, 21))
  push(text("AA", 2, 2, 4))
  push(text("AQ", 2, 2, 4))
  push(text("CO", 2, 2, 4))
  push(text("OQ", 2, 2, 4))
  push(text("GO", 2, 2, 6))
  push(text("GQ", 2, 2, 6))
  push(text("4", 2, 2, 20))
  push(text("7", 2, 2, 32))
  push(text("F", 2, 1, 25))
  push(text("N", 2, 2, 13))

  return objs;
}

module.exports = { main }