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16 lines
661 B
16 lines
661 B
#include "Material.h"
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#include "Ray.h"
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#include <math.h>
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bool LamberMaterial::Scatter(const Ray & input_ray, const HitPoint & hit_point, Ray & out_ray)
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{
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Vector3 random_vector = UnitRandomVector3InSphere();
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Vector3 new_direction = hit_point.mNormal + random_vector;
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out_ray.Set(hit_point.mPosition, new_direction, input_ray.mLightAttenuation*mDiffuse);
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return true;
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}
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bool MetalMaterial::Scatter(const Ray & input_ray, const HitPoint & hit_point, Ray & out_ray)
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{
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Vector3 new_direction = Reflect(input_ray.mDirection, hit_point.mNormal);
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out_ray.Set(hit_point.mPosition, new_direction, input_ray.mLightAttenuation*mDiffuse);
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return true;
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}
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