FrustumCulling.hpp

#pragma once
 
#include <Common/Rendering/RenderViewData.hpp>
 
namespace Grindstone::Renderer {
    struct CullingFrustum {
        bool isOrtho; // TODO: Remove this when ortho projection CreateFrustum is fixed.
        float nearRight;
        float nearTop;
        float nearDistance;
        float farDistance;
    };
 
    struct AABB {
        glm::vec3 min;
        glm::vec3 max;
    };
 
    struct OBB {
        glm::vec3 center = {};
        glm::vec3 extents = {};
        glm::vec3 axes[3] = {};
    };
 
    bool IsInFrustum(const CullingFrustum& frustum, const glm::mat4& viewModelMatrix, const AABB& aabb);
    CullingFrustum CreateFrustum(const Grindstone::Rendering::RenderViewData& renderViewData);
}