Reducing points in polygon

GoToLoop · August 28, 2019, 10:48pm

For completeness’ sake, I’ve ended up making a p5js version too:

gist.github.com

https://gist.github.com/GoSubRoutine/da4939559d8b786df13f5694ea2edd30

.block

height: 600
scrolling: no
border: yes
license: cc-by-4.0

calc.mjs

const ERRORS = [
  "Polygon's newSize parameter can't be less than 2!",
  "Parameter dots[] must contain at least 2 { x, y } objects!",
  "Parameter epsilon can't be a negative value!"
];

export default function reducePolygon(dots, newSize, debug=true) {
  if (newSize < 2)  throw RangeError(ERRORS[0]);

  let reduced, ep = 0;

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data.mjs

export default function mapXYTableToVectorArray(t) {
  return t.getArray().map(([ x, y ]) => createVector(+x, +y));
}

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Reducing points in polygon

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