tweenkle/easing/Circ.js

Lightweight tweening library for all your tweening and animation needs.

"use strict";

exports.__esModule = true;
exports["default"] = exports.InOut = exports.Out = exports.In = void 0;

var In = function In(time, beginningValue, changeValue, duration) {
  return -changeValue * (Math.sqrt(1 - (time /= duration) * time) - 1) + beginningValue;
};

exports.In = In;

var Out = function Out(time, beginningValue, changeValue, duration) {
  return changeValue * Math.sqrt(1 - (time = time / duration - 1) * time) + beginningValue;
};

exports.Out = Out;

var InOut = function InOut(time, beginningValue, changeValue, duration) {
  if ((time /= duration / 2) < 1) {
    return -changeValue / 2 * (Math.sqrt(1 - time * time) - 1) + beginningValue;
  }

  return changeValue / 2 * (Math.sqrt(1 - (time -= 2) * time) + 1) + beginningValue;
};

exports.InOut = InOut;
var _default = {
  In: In,
  Out: Out,
  InOut: InOut
};
exports["default"] = _default;