X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fsurfacepoint.h;h=a5bd794f90052bc96fcc307dfdb67b74244707c8;hb=c135ff2480f4e2aaf05b0206631bb0e1b5d73fad;hp=3513ac8e41bf82e1a02e3250ccdfaebb57932576;hpb=9260eee3126731c1e6b54ce3407be757d0d71716;p=libs%2Fmath.git

diff --git a/source/geometry/surfacepoint.h b/source/geometry/surfacepoint.h
index 3513ac8..a5bd794 100644
--- a/source/geometry/surfacepoint.h
+++ b/source/geometry/surfacepoint.h
@@ -6,11 +6,15 @@
 namespace Msp {
 namespace Geometry {
 
+/**
+A point on the surface of a shape.
+*/
 template<typename T, unsigned N>
 struct SurfacePoint
 {
 	LinAl::Vector<T, N> position;
 	LinAl::Vector<T, N> normal;
+	T distance;
 };
 
 } // namespace Geometry