1 files changed, 3 insertions, 1 deletions
diff --git a/src/Collision.h b/src/Collision.h
index ba987b9..2688435 100644
--- a/src/Collision.h
+++ b/src/Collision.h
@@ -27,11 +27,13 @@ namespace Zoom {
 class Collision {
   public:
     static bool test(const Triangle &t, const MathUtil::Ray &ray, float *distance = 0);
-    static bool test(const Triangle &t, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance = 0);
+    static bool test(const Triangle &t, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance = 0, vmml::vec3f *normal = 0);
 
   private:
     Collision();
 
+    static vmml::vec3f projectToEdge(const vmml::vec3f& p, const vmml::vec3f& v1, const vmml::vec3f& v2);
+
     static bool testEdge(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance);
     static bool testVertex(const vmml::vec3f &v, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance);
 };