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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "Light.h"
namespace ospray {
/*! a DirectionalLight is a singular light which is infinitely distant and
* thus projects parallel rays of light across the entire scene */
struct OSPRAY_SDK_INTERFACE DirectionalLight : public Light
{
DirectionalLight(api::ISPCDevice &device)
: Light(device, FFO_LIGHT_DIRECTIONAL)
{}
virtual ~DirectionalLight() override = default;
virtual ispc::Light *createSh(
uint32_t, const ispc::Instance *instance = nullptr) const override;
virtual std::string toString() const override;
virtual void commit() override;
private:
void processIntensityQuantityType();
vec3f irradiance{1.f};
vec3f direction{0.f, 0.f, 1.f}; //!< Direction of the emitted rays
float angularDiameter{0.f}; //!< Apparent size of the distant light, in degree
//!< (e.g. 0.53 for the sun)
float cosAngle{1.f};
};
} // namespace ospray
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