LYGIA Shader Library

Dependencies:

• lygia/math/const.glsl

Use:

<float> bounceOut(<float> x)

Check it on Github

#ifndef FNC_BOUNCEOUT
#define FNC_BOUNCEOUT
float bounceOut(in float t) {
    const float a = 4.0 / 11.0;
    const float b = 8.0 / 11.0;
    const float c = 9.0 / 10.0;

    const float ca = 4356.0 / 361.0;
    const float cb = 35442.0 / 1805.0;
    const float cc = 16061.0 / 1805.0;

    float t2 = t * t;

    return t < a
        ? 7.5625 * t2
        : t < b
            ? 9.075 * t2 - 9.9 * t + 3.4
            : t < c
                ? ca * t2 - cb * t + cc
                : 10.8 * t * t - 20.52 * t + 10.72;
}
#endif