MonoGame.Samples/Samples/MacOS/StarWarrior/Primitives/Lines.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace StarWarrior.Primitives
{
    public class Lines
    {
        PrimitiveBatch batch;
        List<Vector2> lines = new List<Vector2>();
        Color color = Color.White;                
        GraphicsDevice device;


        public Lines(GraphicsDevice device,PrimitiveBatch primitiveBatch)
        {
            this.device = device;
            this.batch = primitiveBatch;            
        }

        public void AddLine(float x1, float y1, float x2, float y2)
        {
            lines.Add(new Vector2(x1,y1));
            lines.Add(new Vector2(x2, y2));            
        }

        public void SetColor(Color color)
        {
            this.color = color;
        }        
        public void Draw(Vector2 transform)
        {
         
            batch.Begin(PrimitiveType.LineList);
            foreach (var item in lines)
            {
                batch.AddVertex(item + transform, color);       
            }
            batch.End();
        }

    }
}