1 files changed, 3 insertions, 14 deletions
diff --git a/src/o3d/tri_vertex.h b/src/o3d/tri_vertex.h
index 368a5e0..715f649 100644
--- a/src/o3d/tri_vertex.h
+++ b/src/o3d/tri_vertex.h
@@ -1,21 +1,12 @@
 #ifndef O3D_TRI_VERTEX_H
 #define O3D_TRI_VERTEX_H
 
-#include "o3d/vertex.h"
 #include <vector>
+#include "o3d/vertex.h"
+#include "o3d/tri_deriv_vertex.h"
 
 namespace engine::o3d {
 
-class TriangleVertex3 {
-    public:
-        Vertex3 vertex1;
-        Vertex3 vertex2;
-        Vertex3 vertex3;
-
-        TriangleVertex3(Vertex3 vertex1, Vertex3 vertex2, Vertex3 vertex3);
-        std::vector<TriangleVertex3> crop_xy_out(float x1, float x2, float y1, float y2) const;
-};
-
 class TriangleVertex4 {
     public:
         Vertex4 vertex1;
@@ -23,9 +14,7 @@ class TriangleVertex4 {
         Vertex4 vertex3;
 
         TriangleVertex4(Vertex4 vertex1, Vertex4 vertex2, Vertex4 vertex3);
-        TriangleVertex4(TriangleVertex3 triangle);
-        std::vector<TriangleVertex4> crop_z_out(float z1, float z2) const;
-        TriangleVertex3 div_by_w() const;
+        TriangleDerivedVertex4 to_derived() const;
 };
 
 }