public static void FillPolygon(Polygon p, Texture2D tex, Color c)
{
var ppm = MathUtil.PixelsPerMeter;
var bb = p.GetBoundingBoxRaw();
var orgin = new Vector2(-(float)bb.xmin * ppm, (float)bb.ymax * ppm);
_spriteBatch.Draw(tex, p.Position.P2C(), null, c, -p.Rotation, orgin, 1f, SpriteEffects.None, 0f);
}