diff options
Diffstat (limited to 'src/Engine/Object.cpp')
| -rw-r--r-- | src/Engine/Object.cpp | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/Engine/Object.cpp b/src/Engine/Object.cpp deleted file mode 100644 index 8e042fd..0000000 --- a/src/Engine/Object.cpp +++ /dev/null @@ -1,46 +0,0 @@ -#include "Object.h" - -namespace Donut -{ - Ray::Ray(glm::vec3 o, glm::vec3 d) - : m_Origin(o), - m_Direction(glm::normalize(d)) { } - - Material::Material(glm::vec3 c, float s, float e) - : m_Color(c), - m_Specular(s), - m_Emission(e) { } - - Object::Object(glm::vec3 c, float r, Material m) - : m_Centre(c), - m_Radius(r), - m_Material(m) { } - - bool Object::Intersect(Ray &ray, float &t) - { - 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; - double discriminant = 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; - } - - glm::vec3 Object::GetNormal(glm::vec3 &point) const - { - return glm::normalize(point - m_Centre); - } -} |
