TLinearGradientTexture.h

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#pragma once
 
#include "Core/Texture/TTexture.h"
#include "Math/TVector2.h"
#include "Math/TVector3.h"
 
#include <Common/primitive_type.h>
 
#include <memory>
 
namespace ph
{
 
template<typename OutputType>
class TLinearGradientTexture : public TTexture<OutputType>
{
public:
    TLinearGradientTexture(
        real                                         beginU,
        const std::shared_ptr<TTexture<OutputType>>& beginTexture,
        real                                         endU,
        const std::shared_ptr<TTexture<OutputType>>& endTexture);
 
    TLinearGradientTexture(
        const math::Vector2R&                        beginUV,
        const std::shared_ptr<TTexture<OutputType>>& beginTexture,
        const math::Vector2R&                        endUV,
        const std::shared_ptr<TTexture<OutputType>>& endTexture);
 
    TLinearGradientTexture(
        const math::Vector3R&                        beginUVW, 
        const std::shared_ptr<TTexture<OutputType>>& beginTexture,
        const math::Vector3R&                        endUVW,
        const std::shared_ptr<TTexture<OutputType>>& endTexture);
 
    void sample(const SampleLocation& sampleLocation, OutputType* out_value) const override;
 
private:
    math::Vector3R                        m_beginUVW;
    std::shared_ptr<TTexture<OutputType>> m_beginTexture;
    math::Vector3R                        m_endUVW;
    std::shared_ptr<TTexture<OutputType>> m_endTexture;
};
 
}// end namespace ph
 
#include "Core/Texture/TLinearGradientTexture.ipp"