CameraComponent.cpp

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#include "scene/components/CameraComponent.h"
#include "scene/GameObject.h"
#include <glm/gtc/matrix_transform.hpp>
 
namespace eng
{
    void CameraComponent::Update(float deltaTime)
    {
    }
 
    glm::mat4 CameraComponent::GetViewMatrix() const
    {
        glm::mat4 mat = glm::mat4(1.0f);
        mat = glm::mat4_cast(m_owner->GetRotation());
 
        mat[3] = glm::vec4(m_owner->GetPosition(), 1.0f);
 
        if (m_owner->GetParent())
        {
            mat = m_owner->GetParent()->GetWorldTransform() * mat;
        }
 
        return glm::inverse(mat);
    }
 
    glm::mat4 CameraComponent::GetProjectionMatrix(float aspect) const
    {
        return glm::perspective(glm::radians(m_fov), aspect, m_nearPlane, m_farPlane);
    }
}