55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#ifndef LIGHTSTATUS_H
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#define LIGHTSTATUS_H
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#include "software_global.h"
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#include "LightComponent.h"
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namespace paysages {
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namespace software {
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/**
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* @brief Light status at a given point.
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*
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* The light status is the combination of all LightComponent received at a given location.
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*/
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class SOFTWARESHARED_EXPORT LightStatus
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{
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public:
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LightStatus(LightingManager *manager, const Vector3 &location, const Vector3 &eye, bool filtered=true);
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inline Vector3 getLocation() const {return location;}
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void pushComponent(LightComponent component);
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Color apply(const Vector3 &normal, const SurfaceMaterial &material);
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/**
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* Return the sum of all received lights.
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*/
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Color getSum() const;
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/**
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* Set the safety offset for this status.
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*
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* The offset is used to not hit the surface we are currently working on immediately.
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* It adds a small vector toward the light at the start of shadow casting.
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* This number should remain very small to not produce precision errors.
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*/
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void setSafetyOffset(double safety_offset);
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private:
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double safety_offset;
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double max_power;
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LightingManager* manager;
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Vector3 location;
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Vector3 eye;
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bool filtered;
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std::vector<LightComponent> components;
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};
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}
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}
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#endif // LIGHTSTATUS_H
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