LYGIA Shader Library

backInOut (lygia/animation/easing/backInOut)

Back in/out easing. From



backInOut(<float> x)

Check it on Github

float backInOut(in float t) {
    float f = t < .5
        ? 2.0 * t
        : 1.0 - (2.0 * t - 1.0);

    float g = backIn(f);

    return t < 0.5
        ? 0.5 * g
        : 0.5 * (1.0 - g) + 0.5;


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