in the midst of a very messy refactor of the way i build the command buffer

src/vertex_2d.rs

@@ -10,4 +10,13 @@ pub struct ColoredVertex2D {
     pub color   : [f32; 4],
 }
 
-vulkano::impl_vertex!(ColoredVertex2D, position, color);
+vulkano::impl_vertex!(ColoredVertex2D, position, color);
+vulkano::impl_vertex!(Vertex2D, position);
+
+
+
+impl From<(f32, f32)> for Vertex2D {
+    fn from(item: (f32, f32)) -> Self {
+        Vertex2D { position: [item.0, item.1] }
+    }
+}