Method tween

src/OpenLoco/src/Entities/EntityTweener.cpp:77–108

    }

    void EntityTweener::tween(float alpha)
    {
        const float inv = (1.0f - alpha);

        for (size_t i = 0; i < _entities.size(); ++i)
        {
            auto* ent = _entities[i];
            if (ent == nullptr)
            {
                continue;
            }

            auto& posA = _prePos[i];
            auto& posB = _postPos[i];

            if (posA == posB)
            {
                continue;
            }

            auto newPos = World::Pos3{ static_cast<int16_t>(std::round(posB.x * alpha + posA.x * inv)),
                                       static_cast<int16_t>(std::round(posB.y * alpha + posA.y * inv)),
                                       static_cast<int16_t>(std::round(posB.z * alpha + posA.z * inv)) };

            if (ent->position == newPos)
            {
                continue;
            }

            ent->moveTo(newPos);
        }
    }

    void EntityTweener::restore()
    {