Function customEase

core/2d/TweenFunction.cpp:469–478

Custom Ease

// Custom Ease
float customEase(float time, float* easingParam)
{
    if (easingParam)
    {
        float tt = 1 - time;
        return easingParam[1] * tt * tt * tt + 3 * easingParam[3] * time * tt * tt +
               3 * easingParam[5] * time * time * tt + easingParam[7] * time * time * time;
    }
    return time;
}

float easeIn(float time, float rate)
{