1.1 --- a/src/goat3d.h	Wed Oct 09 16:40:59 2013 +0300
     1.2 +++ b/src/goat3d.h	Sun Oct 13 10:14:19 2013 +0300
     1.3 @@ -12,6 +12,7 @@
     1.4  #define GOAT3D_MAT_ATTR_REFLECTION		"reflection"
     1.5  #define GOAT3D_MAT_ATTR_TRANSMISSION	"transmission"
     1.6  #define GOAT3D_MAT_ATTR_IOR				"ior"
     1.7 +#define GOAT3D_MAT_ATTR_ALPHA			"alpha"
     1.8  
     1.9  enum goat3d_mesh_attrib {
    1.10  	GOAT3D_MESH_ATTR_VERTEX,
    1.11 @@ -136,7 +137,13 @@
    1.12   *  - GOAT3D_MESH_ATTR_SKIN_MATRIX  - 4 ints per vertex
    1.13   *  - GOAT3D_MESH_ATTR_COLOR        - 4 floats per vertex
    1.14   */
    1.15 -void goat3d_set_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, const void *data, int vnum);
    1.16 +void goat3d_set_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
    1.17 +		const void *data, int vnum);
    1.18 +void goat3d_add_mesh_attrib1f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, float val);
    1.19 +void goat3d_add_mesh_attrib3f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
    1.20 +		float x, float y, float z);
    1.21 +void goat3d_add_mesh_attrib4f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
    1.22 +		float x, float y, float z, float w);
    1.23  /* returns a pointer to the beginning of the requested mesh attribute array */
    1.24  void *goat3d_get_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib);
    1.25  /* returns a pointer to the requested mesh attribute */
    1.26 @@ -144,6 +151,7 @@
    1.27  
    1.28  /* sets all the faces in one go. data is an array of 3 int vertex indices per face */
    1.29  void goat3d_set_mesh_faces(struct goat3d_mesh *mesh, const int *data, int fnum);
    1.30 +void goat3d_add_mesh_face(struct goat3d_mesh *mesh, int a, int b, int c);
    1.31  /* returns a pointer to the beginning of the face index array */
    1.32  int *goat3d_get_mesh_faces(struct goat3d_mesh *mesh);
    1.33  /* returns a pointer to a face index */