@techmely/utils/getStrokeRadius.js

Collection of helpful JavaScript / TypeScript utils

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/getStrokeRadius.ts
var getStrokeRadius_exports = {};
__export(getStrokeRadius_exports, {
  getStrokeRadius: () => getStrokeRadius
});
module.exports = __toCommonJS(getStrokeRadius_exports);

// src/clamp.ts
function clamp(n, min, max) {
  return Math.min(max, Math.max(min, n));
}

// src/lerp.ts
function lerp(y1, y2, mu) {
  return y1 * (1 - mu) + y2 * mu;
}

// src/getStrokeRadius.ts
function getStrokeRadius(size, thinning, easing, pressure = 0.5) {
  if (!thinning) {
    return size / 2;
  }
  const newPressure = clamp(easing(pressure), 0, 1);
  return (thinning < 0 ? lerp(size, size + size * clamp(thinning, -0.95, -0.05), newPressure) : lerp(size - size * clamp(thinning, 0.05, 0.95), size, newPressure)) / 2;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  getStrokeRadius
});