X-Git-Url: http://git.rohieb.name/MicroTrace.git/blobdiff_plain/49b259147e3ece2ed0aa4ad72b686970031cfc46..bb70135ac47130d65f8885b9c5fa9fa970b00cae:/PointLight.cxx

diff --git a/PointLight.cxx b/PointLight.cxx
index 1ce5f0b..7b8c8d2 100644
--- a/PointLight.cxx
+++ b/PointLight.cxx
@@ -21,7 +21,12 @@ PointLight::PointLight()
 bool
 PointLight::Illuminate(Ray& ray, Vec3f& intensity)
 {
+  float dist = ((ray.origin() + ray.direction() * ray.t()) - m_pos).norm();
 
+  float c1 = 1, c2 = 0.5, c3 = 0;
+  float in = 1 / (c1 + c2*dist + c3*dist*dist);
+
+  intensity = Vec3f(in, in, in);
   return false;
 }