Method transformReflectionCamera

native/cocos/scene/ReflectionProbe.cpp:126–153

}

void ReflectionProbe::transformReflectionCamera(const Camera* sourceCamera) {
    float offset = Vec3::dot(_node->getWorldPosition(), _node->getUp());
    _cameraWorldPos = reflect(sourceCamera->getNode()->getWorldPosition(), _node->getUp(), offset);
    _cameraNode->setWorldPosition(_cameraWorldPos);

    _forward = Vec3::FORWARD;
    _forward.transformQuat(sourceCamera->getNode()->getWorldRotation());
    _forward = reflect(_forward, _node->getUp(), 0);
    _forward.normalize();
    _forward *= -1;

    _up = Vec3::UNIT_Y;
    _up.transformQuat(sourceCamera->getNode()->getWorldRotation());
    _up = reflect(_up, _node->getUp(), 0);
    _up.normalize();

    Quaternion::fromViewUp(_forward, _up, &_cameraWorldRotation);
    _cameraNode->setWorldRotation(_cameraWorldRotation);
    _camera->update(true);

    // Transform the plane from world space to reflection camera space use the inverse transpose matrix
    Vec4 viewSpaceProbe{ _node->getUp().x, _node->getUp().y, _node->getUp().z, -Vec3::dot(_node->getUp(), _node->getWorldPosition())};
    Mat4 matView = _camera->getMatView();
    matView.inverse();
    matView.transpose();
    matView.transformVector(&viewSpaceProbe);
    _camera->calculateObliqueMat(viewSpaceProbe);
}

Vec3 ReflectionProbe::reflect(const Vec3& point, const Vec3& normal, float offset) {
    Vec3 n = normal;