Function EaseInOut

src/SB/Game/zCamera.cpp:198–204

} // namespace

static F32 EaseInOut(F32 param)
{
    // using shorter symbols the return expression below reads:
    // p (p (b - cp) + a) <=> ap + bp^2 - cp^3
    // to which wolframalpha associates the geometric figure 'line'
    return param * (param * (2.0f - 1.5f * param) + 0.5f);
}

static void zCameraConversUpdate(xCamera* cam, F32 dt)
{