LYGIA Shader Library

circularInOut (lygia/animation/easing/circularInOut)

circular in/out easing. From


circularInOut(<float> x)

Check it on Github

float circularInOut(in float t) {
    return t < 0.5
        ? 0.5 * (1.0 - sqrt(1.0 - 4.0 * t * t))
        : 0.5 * (sqrt((3.0 - 2.0 * t) * (2.0 * t - 1.0)) + 1.0);



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