tweenkle/easing/Sine.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.cos(time / duration * (Math.PI / 2)) + changeValue + beginningValue;
};

exports.In = In;

var Out = function Out(time, beginningValue, changeValue, duration) {
  return changeValue * Math.sin(time / duration * (Math.PI / 2)) + beginningValue;
};

exports.Out = Out;

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

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