private unsafe int FlushVertices(int vertexCount, int i)
{
if (i > 0)
{
fixed(float *p = vertices)
{
gl.BufferSubData(BufferTarget.Array, IntPtr.Zero + sizeof(float) * 8 * vertexCount, IntPtr.Zero + sizeof(float) * i, new IntPtr(p));
}
}
return(i / 8);
}
