diff options
Diffstat (limited to 'src/Engine/Object.h')
| -rw-r--r-- | src/Engine/Object.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/src/Engine/Object.h b/src/Engine/Object.h deleted file mode 100644 index 8101540..0000000 --- a/src/Engine/Object.h +++ /dev/null @@ -1,76 +0,0 @@ -#pragma once - -#include <glm/glm.hpp> - -namespace Donut -{ - class Ray - { - public: - Ray(glm::vec3 o, glm::vec3 d) - : m_origin(o), - m_direction(glm::normalize(d)) { } - - public: - glm::vec3 m_direction; - glm::vec3 m_origin; - }; - - class Material - { - public: - Material() : m_color(1.0f, 1.0f, 1.0f), m_specular(0.5f), m_emission(0.0f) { } - Material(glm::vec3 c, float s, float e) - : m_color(c), - m_specular(s), - m_emission(e) { } - - public: - glm::vec3 m_color; - float m_specular; - float m_emission; - }; - - class Object - { - public: - Object() : m_centre(0.0f, 0.0f, 0.0f), m_radius(1.0f), m_material() { } - Object(glm::vec3 c, float r, Material m) - : m_centre(c), - m_radius(r), - m_material(m) { } - - auto intersect(Ray& ray, float& t) -> bool - { - glm::vec3 oc = ray.m_origin - m_centre; - float a = glm::dot(ray.m_direction, ray.m_direction); - float b = 2.0f * glm::dot(oc, ray.m_direction); - float c = glm::dot(oc, oc) - m_radius * m_radius; - float discriminant = static_cast<float>(b*b - 4*a*c); - - if (discriminant < 0) - return false; - - float intercept = (-b - sqrt(discriminant)) / (2.0f*a); - if (intercept < 0) - { - intercept = (-b + sqrt(discriminant)) / (2.0f*a); - if (intercept < 0) - return false; - } - - t = intercept; - return true; - } - - auto get_normal(glm::vec3& point) const -> glm::vec3 - { - return glm::normalize(point - m_centre); - } - - public: - glm::vec3 m_centre; - float m_radius; - Material m_material; - }; -}; |
