readded anti-aliasing

[MicroTrace.git] / InfinitePlane.cxx

diff --git a/InfinitePlane.cxx b/InfinitePlane.cxx
index 442da19..54c9570 100644 (file)
--- a/InfinitePlane.cxx
+++ b/InfinitePlane.cxx
@@ -1,11 +1,11 @@
 #include "InfinitePlane.hxx"
 
 InfinitePlane::InfinitePlane(const Vec3f& a, const Vec3f& n, Shader* shader)
-  : Primitive(shader), 
+  : Primitive(shader),
     m_a(a),
     m_n(n)
 {
-  
+
 }
 
 InfinitePlane::~InfinitePlane()
@@ -17,7 +17,7 @@ InfinitePlane::Intersect(Ray& ray)
 {
   Vec3f diff = m_a - ray.origin();
   float t = diff.dot(m_n) / ray.direction().dot(m_n);
-  if (t < 1e-5 || t > ray.t()) 
+  if (t < 1e-5 || t > ray.t())
     return false;
   ray.setT(t);
   return true;
@@ -26,5 +26,6 @@ InfinitePlane::Intersect(Ray& ray)
 Vec3f
 InfinitePlane::GetNormal(Ray& ray)
 {
-  return Vec3f();
+  // We already have the surface normal
+  return m_n;
 }