LYGIA Shader Library

Dependencies:

• lygia/animation/easing/quarticIn.glsl
• lygia/animation/easing/quarticOut.glsl
• lygia/animation/easing/quarticInOut.glsl

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