Function quadEaseInOut

core/2d/TweenFunction.cpp:218–225

}

float quadEaseInOut(float time)
{
    time = time * 2;
    if (time < 1)
        return 0.5f * time * time;
    --time;
    return -0.5f * (time * (time - 2) - 1);
}

// Cubic Ease
float cubicEaseIn(float time)