Mono_Server.MonoServer.DrawLine C# (CSharp) Method

        void DrawLine(SpriteBatch sb, Vector2 start, Vector2 end)
        {
            Vector2 edge = end - start;
            // calculate angle to rotate line
            float angle =
                (float)Math.Atan2(edge.Y, edge.X);

            sb.Draw(_lineTexture,
                new Rectangle(// rectangle defines shape of line and position of start of line
                    (int)start.X,
                    (int)start.Y,
                    (int)edge.Length(), //sb will strech the texture to fill this rectangle
                    1), //width of line, change this to make thicker line
                null,
                Color.Red, //colour of line
                angle,     //angle of line (calulated above)
                new Vector2(0, 0), // point in line about which to rotate
                SpriteEffects.None,
                0);
        }