ObjectVolcanoRock.cc

#include "ObjectVolcanoRock.hh"
 
namespace Field {
 
ObjectVolcanoRock::ObjectVolcanoRock(const System::MapdataGeoObj &params)
    : ObjectKCL(params), m_initialPos(m_pos), m_initialRot(m_rot),
      m_phaseShift(static_cast<s16>(params.setting(3))),
      m_zPeriod(std::max<s16>(static_cast<s16>(params.setting(1)), 2)),
      m_yPeriod(std::max<s16>(static_cast<s16>(params.setting(4)), 2)),
      m_zAmplitude(static_cast<f32>(static_cast<s16>(params.setting(2)))),
      m_yAmplitude(static_cast<f32>(static_cast<s16>(params.setting(5)))),
      m_zAngVel(6.2831855f / static_cast<f32>(m_zPeriod)),
      m_yAngVel(6.2831855f / static_cast<f32>(m_yPeriod)), m_variant(!!params.setting(0)) {
    m_pos = calcPos(0);
    m_flags.setBit(eFlags::Position);
}
 
ObjectVolcanoRock::~ObjectVolcanoRock() = default;
 
void ObjectVolcanoRock::calc() {
    EGG::Vector3f prevPos = m_pos;
    m_pos = calcPos(System::RaceManager::Instance()->timer());
    m_flags.setBit(eFlags::Position);
    setMovingObjVel(m_pos - prevPos);
}
 
EGG::Vector3f ObjectVolcanoRock::calcPos(u32 frame) {
    f32 tz = static_cast<f32>((frame + m_phaseShift) % m_zPeriod);
    f32 ty = static_cast<f32>(frame % m_yPeriod);
 
    auto zDisplacement = EGG::Vector3f::ez * EGG::Mathf::cos(m_zAngVel * tz) * m_zAmplitude;
    auto yDisplacement = EGG::Vector3f::ey * EGG::Mathf::cos(m_yAngVel * ty) * m_yAmplitude;
 
    calcTransform();
 
    return m_initialPos + m_transform.multVector33(zDisplacement + yDisplacement);
}
 
} // namespace Field