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Cache camera position

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This commit is contained in:
GeorgH93
2023-08-01 15:18:11 +02:00
parent bd55a26a02
commit cf91c9c67e
1 changed files with 4 additions and 2 deletions
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6
openVulkanoCpp/Scene/Camera.hpp
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@@ -15,6 +15,7 @@ namespace openVulkanoCpp::Scene
{ {
protected: protected:
Math::Matrix4f m_viewProjection{1}, m_view{1}, m_projection{1}; Math::Matrix4f m_viewProjection{1}, m_view{1}, m_projection{1};
Math::Vector4f m_camPosition{};
float m_nearPlane, m_farPlane, m_width, m_height; float m_nearPlane, m_farPlane, m_width, m_height;
Camera() : m_nearPlane(0), m_farPlane(0), m_width(0), m_height(0) {} Camera() : m_nearPlane(0), m_farPlane(0), m_width(0), m_height(0) {}
@@ -78,6 +79,7 @@ namespace openVulkanoCpp::Scene
void UpdateWorldMatrix(const Math::Matrix4f& parentWorldMat) override void UpdateWorldMatrix(const Math::Matrix4f& parentWorldMat) override
{ {
Node::UpdateWorldMatrix(parentWorldMat); Node::UpdateWorldMatrix(parentWorldMat);
m_camPosition = GetWorldMatrix()[3];
m_view = Math::Utils::inverse(GetWorldMatrix()); m_view = Math::Utils::inverse(GetWorldMatrix());
UpdateViewProjectionMatrix(); UpdateViewProjectionMatrix();
} }
@@ -92,9 +94,9 @@ namespace openVulkanoCpp::Scene
return m_viewProjection; return m_viewProjection;
} }
[[nodiscard]] Math::Vector4f GetPosition() const [[nodiscard]] const Math::Vector4f& GetPosition() const
{ {
return GetWorldMatrix()[3]; return m_camPosition;
} }
[[nodiscard]] Math::Vector3f GetRightVector() const [[nodiscard]] Math::Vector3f GetRightVector() const