LYGIA Shader Library

quartic (lygia/animation/easing/quartic)

Quartic easing. From https://github.com/stackgl/glsl-easings

Dependencies:

Use:

quartic<In|Out|InOut>(<float> x)

Check it on Github



Use:

quartic<In|Out|InOut>(<float> x)

Check it on Github


#ifndef FNC_QUARTICIN
#define FNC_QUARTICIN
float quarticIn(in float t) {
    return pow(t, 4.0);
}
#endif

#ifndef FNC_QUARTICOUT
#define FNC_QUARTICOUT
float quarticOut(in float t) {
    return pow(t - 1.0, 3.0) * (1.0 - t) + 1.0;
}
#endif

#ifndef FNC_QUARTICINOUT
#define FNC_QUARTICINOUT
float quarticInOut(in float t) {
    return t < 0.5
      ? +8.0 * pow(t, 4.0)
      : -8.0 * pow(t - 1.0, 4.0) + 1.0;
}
#endif

Examples

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