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@gamestdio/easing

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Collection of easing equations for JavaScript / TypeScript

9 lines (8 loc) 378 B
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); function elasticInOut(t) { return t < 0.5 ? 0.5 * Math.sin(+13.0 * Math.PI / 2 * 2.0 * t) * Math.pow(2.0, 10.0 * (2.0 * t - 1.0)) : 0.5 * Math.sin(-13.0 * Math.PI / 2 * ((2.0 * t - 1.0) + 1.0)) * Math.pow(2.0, -10.0 * (2.0 * t - 1.0)) + 1.0; } exports.elasticInOut = elasticInOut;