C++ (Cpp) VertexArray::GetFaces Examples

Example #1

File: vertexbuffer.cpp Project: JanneSalokoski/vdrift

unsigned int VertexBuffer::WriteIndices(
	const VertexArray & va,
	const unsigned int icount,
	const unsigned int vcount,
	std::vector<unsigned int> & index_buffer)
{
	const unsigned int * faces = 0;
	int fn;
	va.GetFaces(faces, fn);

	assert(icount + fn <= index_buffer.size());
	unsigned int * ib = &index_buffer[icount];
	for (int j = 0; j < fn; ++j)
	{
		ib[j] = faces[j] + vcount;
	}

	return icount + fn;
}

Example #2

File: render_input_scene.cpp Project: HaohaoLau/vdrift

void RenderInputScene::DrawVertexArray(const VertexArray & va, float linesize) const
{
	const float * verts;
	int vertcount;
	va.GetVertices(verts, vertcount);
	if (verts)
	{
		glVertexPointer(3, GL_FLOAT, 0, verts);
		glEnableClientState(GL_VERTEX_ARRAY);

		const unsigned char * cols;
		int colcount;
		va.GetColors(cols, colcount);
		if (cols)
		{
			glColorPointer(4, GL_UNSIGNED_BYTE, 0, cols);
			glEnableClientState(GL_COLOR_ARRAY);
		}

		const int * faces;
		int facecount;
		va.GetFaces(faces, facecount);
		if (faces)
		{
			const float * norms;
			int normcount;
			va.GetNormals(norms, normcount);
			if (norms)
			{
				glNormalPointer(GL_FLOAT, 0, norms);
				glEnableClientState(GL_NORMAL_ARRAY);
			}

			const float * tc = 0;
			int tccount;
			if (va.GetTexCoordSets() > 0)
			{
				va.GetTexCoords(0, tc, tccount);
				if (tc)
				{
					glEnableClientState(GL_TEXTURE_COORD_ARRAY);
					glTexCoordPointer(2, GL_FLOAT, 0, tc);
				}
			}

			glDrawElements(GL_TRIANGLES, facecount, GL_UNSIGNED_INT, faces);

			if (tc)
				glDisableClientState(GL_TEXTURE_COORD_ARRAY);

			if (norms)
				glDisableClientState(GL_NORMAL_ARRAY);
		}
		else if (linesize > 0)
		{
			glLineWidth(linesize);
			glDrawArrays(GL_LINES, 0, vertcount / 3);
		}

		if (cols)
			glDisableClientState(GL_COLOR_ARRAY);

		glDisableClientState(GL_VERTEX_ARRAY);
	}
}