preparing for fragment rendering

1 files changed, 8 insertions, 4 deletions

diff --git a/src/model/vertexarray.h b/src/model/vertexarray.h
index 26d2514..6330d8c 100644
--- a/src/model/vertexarray.h
+++ b/src/model/vertexarray.h
@@ -15,6 +15,8 @@ namespace model {
 const int SPHERESEGMENTS=65;
 
 /// global vertex array
+/** a VertexArray acts like a stack of model vertices, it has no knowledge of what it is holding
+ */
 class VertexArray
 {
 public:
@@ -24,9 +26,8 @@ public:
 
 	void clear();
 
-	size_t add_vertex(math::Vector3f const &v, math::Vector3f const &n, math::Color const &color);
-	size_t add_vertex(math::Vector3f const &v, math::Vector3f const &n, math::Color const &color, math::Vector3f const &tex);
-	
+	size_t add_vertex(math::Vector3f const &v, math::Vector3f const &n, math::Color const &color, float tex_x=0.0f, float tex_y=0.0f);
+
 	inline float *vertex() { return vertex_vertex; }
 	inline float *color() { return vertex_color; }
 	inline float *normal() { return vertex_normal; }
@@ -34,7 +35,10 @@ public:
 
 	inline bool overflow() const { return vertex_overflow; }
 
+	/// number of allocated floats
 	inline size_t size() const { return vertex_size; }
+
+	/// index to the top of the stack
 	inline size_t index() const { return vertex_index; }
 
 	static inline VertexArray *instance() { return vertex_instance; }
@@ -48,7 +52,7 @@ private:
 
 	size_t vertex_index;
 	size_t vertex_size;
-	
+
 	void add_sphere();
 
 	static VertexArray *vertex_instance;