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 2e76b16..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::get_normal(glm::vec3 &point) const - { - return glm::normalize(point - m_centre); - } -} |
