New class SurfacePoint

RayTracer/tools/SurfacePoint.cpp

+#include "SurfacePoint.h"
+
+#include <limits>
+
+#include "../camera/Ray.h"
+
+namespace util {
+SurfacePoint::SurfacePoint(const util::Vec3& point, const util::Vec3& n,
+                           const std::shared_ptr<material::Material>& material)
+    : x(point), n(n), material(material) {
+}
+cam::Ray SurfacePoint::scattered_ray(const cam::Ray& inc_ray) const {
+	return cam::Ray(x, material->scattered_d(inc_ray.d, n),
+	                std::numeric_limits<float>::epsilon(), inc_ray.tmax, true);
+}
+util::Vec3 SurfacePoint::albedo() const {
+	return material->albedo(0, 0);
+}
+util::Vec3 SurfacePoint::emission() const {
+	return material->emission(0, 0);
+}
+bool SurfacePoint::scatter() const {
+	return material->scatter();
+}
+util::Vec3 SurfacePoint::point() const {
+	return x;
+}
+util::Vec3 SurfacePoint::normal() const {
+	return n;
+}
+}  // namespace util
\ No newline at end of file

RayTracer/tools/SurfacePoint.h

+#pragma once
+
+#include "../camera/Ray.h"
+#include "../material/Material.h"
+
+namespace util {
+class SurfacePoint {
+   public:
+	SurfacePoint(const util::Vec3& point, const util::Vec3& n,
+	             const std::shared_ptr<material::Material>& material);
+
+	cam::Ray scattered_ray(const cam::Ray& inc_ray) const;
+	util::Vec3 albedo() const;    // TODO TexelPos
+	util::Vec3 emission() const;  // TODO TexelPos
+	bool scatter() const;
+	util::Vec3 point() const;
+	util::Vec3 normal() const;
+	// Attributes
+	// TODO TexelPos
+	std::shared_ptr<material::Material> material;
+
+   private:
+	util::Vec3 x, n;
+};
+
+}  // namespace util