Added presentations from EVI 2017

EVI - 2017/EVI 21/EVIray/material.hpp

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+#pragma once
+#ifndef MATERIAL_HPP
+#define MATERIAL_HPP
+
+#include <glm/vec3.hpp>
+
+#include "brdf.hpp"
+#include "phong_brdf.hpp"
+
+using glm::vec3;
+
+class Material {
+public:
+  vec3 m_emission;   // Light emission color.
+  vec3 m_diffuse;    // Diffuse color.
+  vec3 m_specular;   // Specular reflection color.
+  float m_rho;       // Reflection coefficient.
+  float m_shininess; // Shininess.
+  float m_ref_index; // Refraction index.
+  bool m_refract;    // Refraction enabled.
+  BRDF * m_brdf;     // BRDF.
+
+  /**
+   * Default material constructor.
+   */
+  Material(BRDF * _brdf = NULL):
+    m_emission(vec3(0.0f)),
+    m_diffuse(vec3(1.0f)),
+    m_specular(vec3(1.0f)),
+    m_rho(0.0f),
+    m_shininess(89.0f),
+    m_ref_index(1.0f),
+    m_refract(false)
+  {
+    m_brdf = _brdf != NULL ? _brdf : static_cast<BRDF *>(new PhongBRDF());
+  }
+
+  ~Material() {
+    delete m_brdf;
+  }
+  
+  /**
+   * Copy constructor.
+   */
+  Material(const Material & m) {
+    m_diffuse = m.m_diffuse;
+    m_specular = m.m_specular;
+    m_rho = m.m_rho;
+    m_shininess = m.m_shininess;
+    m_ref_index = m.m_ref_index;
+    m_refract = m.m_refract;
+    m_brdf = m.m_brdf;
+  }
+};
+
+#endif