@thi.ng/boids/behaviors/follow.js

n-dimensional boids simulation with modular behavior system

import { Sampler } from "@thi.ng/geom-resample/sampler";
import { fract } from "@thi.ng/math/prec";
import { __ensureFn } from "../internal/ensure.js";
const followPolyline = (points, closed, lookahead = 0.01, weight = 1) => {
  const sampler = new Sampler(points, closed);
  return {
    weight: __ensureFn(weight),
    update: (boid) => {
      const t = sampler.closestT(boid.pos.curr);
      if (t === void 0 || !closed && t + lookahead > 1)
        return boid.api.ZERO;
      return boid.steerTowards(sampler.pointAt(fract(t + lookahead)));
    }
  };
};
export {
  followPolyline
};