Subversion Repositories gelsvn

	void draw(const Geometry::TriMesh& tm, bool per_vertex_norms, bool draw_wire)

	{

    if(!draw_wire)

    {

      draw(tm, per_vertex_norms);

      return;

    }

		int old_mat_idx = -1;

		for(int i=0;i<tm.geometry.no_faces();i++)

		{

			int new_mat_idx = i<tm.mat_idx.size() ? tm.mat_idx[i] : -1;

			if(new_mat_idx != old_mat_idx)

			{

				set_material(tm.materials[tm.mat_idx[i]]);

				old_mat_idx = new_mat_idx;

			}

			Vec3i n_face = tm.normals.face(i);

			Vec3i g_face = tm.geometry.face(i);

			Vec3i t_face = tm.texcoords.face(i);

			if(!per_vertex_norms)

			{

				Vec3f vert0 = tm.geometry.vertex(g_face[0]);

				Vec3f vert1 = tm.geometry.vertex(g_face[1]);

				Vec3f vert2 = tm.geometry.vertex(g_face[2]);

				Vec3f norm = normalize(cross(vert1-vert0, vert2-vert0));

				glNormal3fv(norm.get());

			}

		  glBegin(GL_LINE_LOOP);

      for(int j=0;j<3;j++)

			{

				if(per_vertex_norms && n_face != Geometry::NULL_FACE)

				{

					Vec3f norm = tm.normals.vertex(n_face[j]);

					glNormal3fv(norm.get());

				}

				if(t_face != Geometry::NULL_FACE)

				{

					Vec3f texc = tm.texcoords.vertex(t_face[j]);

					glTexCoord2fv(texc.get());

				}

				Vec3f vert = tm.geometry.vertex(g_face[j]);

				glVertex3fv(vert.get());

			}

  		glEnd();

		}

		glDisable(GL_TEXTURE_2D);

	}