src/model/fragment.cc


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

/*
   model/fragment.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "model/fragment.h"
#include "model/vertexarray.h"

namespace model
{

/*
	Triangles: the number of triangles is size/3
	Quads: the number of Quads is size/4
*/
Fragment::Fragment(Type type, unsigned int material)
{
	fragment_type = type;
	fragment_index = VertexArray::instance()->index() / 3;
	fragment_material = material;
	fragment_structural_size = 0;
	fragment_detail_size = 0;
}

size_t Fragment::add_vertex(math::Vector3f const & vertex, math::Vector3f const &normal, math::Color const & color, bool detail)
{
	size_t n = VertexArray::instance()->add_vertex(vertex, normal, color);
	if (n) {
		if (detail)
			fragment_detail_size += n;
		else
			fragment_structural_size += n;
	}
	return n;
}

}