GITriangles.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_RENDERING_GI_TRIANGLES_H
#define META_OCEAN_RENDERING_GI_TRIANGLES_H
 
#include "ocean/rendering/globalillumination/GlobalIllumination.h"
#include "ocean/rendering/globalillumination/GIIndependentPrimitive.h"
 
#include "ocean/rendering/Triangles.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
namespace GlobalIllumination
{
 
/**
 * This class implements triangles.
 * @ingroup renderinggi
 */
class OCEAN_RENDERING_GI_EXPORT GITriangles :
    virtual public GIIndependentPrimitive,
    virtual public Triangles
{
    friend class GIFactory;
 
    public:
 
        /**
         * Returns the faces of this triangles object.
         * @see Triangles::faces().
         */
        TriangleFaces faces() const override;
 
        /**
         * Returns the number of triangle faces defined in this primitive.
         * @see Triangles::numberFaces().
         */
        unsigned int numberFaces() const override;
 
        /**
         * Returns the bounding box of this renderable object.
         * @see GIRenderable boundingBox().
         */
        BoundingBox boundingBox() const override;
 
        /**
         * Returns the bounding sphere of this renderable object.
         * @see GIRenderable::boundingSphere().
         */
        BoundingSphere boundingSphere() const override;
 
        /**
         * Sets the faces of this triangles object.
         * @see Triangles::setFaces().
         */
        void setFaces(const TriangleFaces& faces) override;
 
        /**
         * Builds the tracing object for this node and adds it to an already existing group of tracing objects.
         * @see GIRenderable::buildTracing().
         */
        void buildTracing(TracingGroup& group, const HomogenousMatrix4& modelTransform, const AttributeSetRef& attributes, const LightSources& lightSources) const override;
 
    protected:
 
        /**
         * Creates a new triangles object.
         */
        GITriangles();
 
        /**
         * Destructs a triangles object.
         */
        ~GITriangles() override;
 
    protected:
 
        /// Faces of the triangles.
        TriangleFaces trianglesFaces;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_RENDERING_GI_TRIANGLES_H