mirror of
https://github.com/photonstorm/phaser
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33 lines
456 B
TypeScript
33 lines
456 B
TypeScript
/// <reference path="../../Game.ts" />
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/**
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* Phaser - Easing - Sinusoidal
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*
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* For use with Phaser.Tween
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*/
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module Phaser.Easing {
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export class Sinusoidal {
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public static In(k) {
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return 1 - Math.cos(k * Math.PI / 2);
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}
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public static Out(k) {
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return Math.sin(k * Math.PI / 2);
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}
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public static InOut(k) {
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return 0.5 * (1 - Math.cos(Math.PI * k));
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}
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}
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}
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