17 lines
557 B
C++
17 lines
557 B
C++
#include "light/light.h"
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#include "scene/scene.h"
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#include "shader/lambertshader.h"
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LambertShader::LambertShader(Color const &diffuseColor) : diffuseColor(diffuseColor) {}
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Color LambertShader::shade(Scene const &scene, Ray const &ray) const {
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Color fragmentColor;
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// IMPLEMENT ME
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for (auto& light : scene.lights()) {
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auto illum = light->illuminate(scene, ray);
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auto lightAngle = dotProduct(ray.normal, normalized(illum.direction));
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fragmentColor += illum.color * std::abs(lightAngle);
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}
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return fragmentColor * diffuseColor;
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}
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