void addVert(int index, Vector2 position, Vector2 texCoord, Color col)
{
if (position == Vector2.Zero)
{
Debug.break_();
}
_vertices.ensureCapacity();
_vertices.buffer[index].Position = position.toVector3();
_vertices.buffer[index].TextureCoordinate = texCoord;
_vertices.buffer[index].Color = col;
_vertices.length++;
}
