PointLight.hpp

#pragma once
 
#include "scene/lights/Light.hpp"
#include "scene/Animated.hpp"
#include "scene/Object.hpp"
 
#include <array>
 
class PointLight final : public Light {
 
public:
    PointLight() = default;
 
    PointLight(const glm::vec3 & worldPosition, const glm::vec3 & color, float radius);
 
    void draw(LightRenderer & renderer) override;
 
    void update(double fullTime, double frameTime) override;
 
    void setScene(const BoundingBox & sceneBox) override;
 
    glm::vec3 sample(const glm::vec3 & position, float & dist, float & attenuation) const override;
 
    bool decode(const KeyValues & params);
    
    KeyValues encode() const override;
 
    const glm::vec3 & position() const { return _lightPosition; }
    
    float radius() const { return _radius; }
    
    float farPlane() const { return _farPlane; }
    
    const std::array<glm::mat4, 6> & vpFaces(){ return _vps; }
    
private:
 
    std::array<glm::mat4, 6> _vps;              
    Animated<glm::vec3> _lightPosition { glm::vec3(0.0f) }; 
    float _radius            = 1.0f;            
    float _farPlane          = 1.0f;            
 
};