rendering/DirectionalLight.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_DIRECTIONAL_LIGHT_H
#define META_OCEAN_RENDERING_DIRECTIONAL_LIGHT_H
 
#include "ocean/rendering/Rendering.h"
#include "ocean/rendering/LightSource.h"
 
#include "ocean/math/Quaternion.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
// Forward declaration
class DirectionalLight;
 
/**
 * Definition of a smart object reference holding a directional light.
 * @see SmartObjectRef, DirectionalLight.
 * @ingroup rendering
 */
typedef SmartObjectRef<DirectionalLight> DirectionalLightRef;
 
/**
 * This class is the base class for all directional lights.
 * @ingroup rendering
 */
class OCEAN_RENDERING_EXPORT DirectionalLight : virtual public LightSource
{
    public:
 
        /**
         * Returns the direction of this directional light.
         * @return Light direction
         * @exception NotSupportedException Is thrown if this function is not supported
         */
        virtual Vector3 direction() const;
 
        /**
         * Sets the direction of this directional light.
         * @param direction Direction to set
         * @exception NotSupportedException Is thrown if this function is not supported
         */
        virtual void setDirection(const Vector3& direction);
 
        /**
         * Returns the type of this object.
         * @see Object::type().
         */
        ObjectType type() const override;
 
    protected:
 
        /**
         * Creates a new directional light.
         */
        DirectionalLight();
 
        /**
         * Destructs a directional light.
         */
        ~DirectionalLight() override;
};
 
}
 
}
 
#endif // META_OCEAN_RENDERING_DIRECTIONAL_LIGHT_H