Esempi in C++ (Cpp) per BSpline::GetVelocityUnitVector

Esempio n. 1

File: CubeMovingState.cpp Progetto: Megabyte355/RollerCoasterOpenGL

void CubeMovingState::Execute(float dt)
{
    BSpline* spline = cubeModel->GetSpline();
    if (spline != nullptr)
    {
        cubeModel->SetPosition(spline->GetPosition() + spline->GetNextPoint());
        if (cubeModel->LooksForward())
        {
            glm::vec3 velocity = glm::vec3(spline->GetVelocityUnitVector());
            glm::vec3 forwardVector = cubeModel->mForward;
            glm::vec3 rotationAxis = glm::cross(forwardVector, velocity);
            float rotationAngleInDegrees = degrees(glm::acos(glm::dot(forwardVector, velocity) / (length(forwardVector) * length(velocity))));
            
            cubeModel->SetRotation(rotationAxis, rotationAngleInDegrees);
        }
        spline->Update(dt);
    }

    duration -= dt;
}