PointLight.cc

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00001 
00005 #include "PointLight.h"
00006 
00007 PointLight::PointLight(const Point& position, const Color& color)
00008   : position(position), color(color)
00009 {
00010 }
00011 
00012 PointLight::~PointLight()
00013 {
00014 }
00015 
00016 void PointLight::preprocess()
00017 {
00018 }
00019 
00020 double PointLight::getLight(Color& light_color, Vector& light_direction,
00021                             const RenderContext&, const Point& hitpos) const
00022 {
00023   light_color = color;
00024   Vector dir = position-hitpos;
00025   double len = dir.normalize();
00026   light_direction = dir;
00027   return len;
00028 }

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