GITriangleStrips.h

Go to the documentation of this file.

/*
 * 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_TRIANGLE_STRIPS_H
#define META_OCEAN_RENDERING_GI_TRIANGLE_STRIPS_H
 
#include "ocean/rendering/globalillumination/GlobalIllumination.h"
#include "ocean/rendering/globalillumination/GIStripPrimitive.h"
 
#include "ocean/rendering/TriangleStrips.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
namespace GlobalIllumination
{
 
/**
 * This class implements a triangle strips object.
 * @ingroup renderinggi
 */
class OCEAN_RENDERING_GI_EXPORT GITriangleStrips :
    virtual public GIStripPrimitive,
    virtual public TriangleStrips
{
    friend class GIFactory;
 
    public:
 
        /**
         * Returns the number of triangle strips defined in this primitive.
         * @see StripPrimitive::numberStrips().
         */
        unsigned int numberStrips() 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 strips of this primitive object.
         * @see StripPtrimitive::setStrips().
         */
        void setStrips(const VertexIndexGroups& strips) 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 triangle strips object.
         */
        GITriangleStrips();
 
        /**
         * Destructs a triangle strips object.
         */
        ~GITriangleStrips() override;
 
    protected:
 
        /// Number of strip elements.
        unsigned int triangleStripsNumberStrips;
 
        /// Number of indices for all strips.
        unsigned int triangleStripsNumberIndices;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_RENDERING_GI_TRIANGLE_STRIPS_H