using SharpGL;
using System.Numerics;

namespace Graphics.Objects {
    class line : iGraphicalObject {

        #region fields

        Vector2 pt01;
        Vector2 pt02;
        double thickness01;
        double thickness02;
        double tilt01;
        double tilt02;

        #endregion

        #region properties

        #endregion

        #region constructors
        public line(Vector2 startPoint, Vector2 endPoint) {
            pt01 = startPoint;
            pt02 = endPoint;
            thickness01 = 1.0;
            thickness02 = 1.0;
            tilt01 = 0.0;
            tilt02 = 0.0;
        }

        public line(Vector2 startPoint, Vector2 endPoint, double thickness) {
            pt01 = startPoint;
            pt02 = endPoint;
            thickness01 = thickness;
            thickness02 = thickness;
            tilt01 = 0.0;
            tilt02 = 0.0;
        }

        public enum valueing { defineLinearThickness, defineBothTilts }

        public line(Vector2 startPoint, Vector2 endPoint,
                valueing defineType, double startPointParam, double endPointParam) {
            pt01 = startPoint;
            pt02 = endPoint;
            switch (defineType) {
                case valueing.defineLinearThickness:
                    thickness01 = startPointParam;
                    thickness02 = endPointParam;
                    tilt01 = 0.0;
                    tilt02 = 0.0;
                    break;
                case valueing.defineBothTilts:
                    thickness01 = 1.0;
                    thickness02 = 1.0;
                    tilt01 = startPointParam;
                    tilt02 = endPointParam;
                    break;
                default:
                    thickness01 = 1.0;
                    thickness02 = 1.0;
                    tilt01 = 0.0;
                    tilt02 = 0.0;
                    break;
            }
        }

        public line(Vector2 startPoint, Vector2 endPoint,
                double thickness, double tiltOfStartPoint, double tiltOfEndPoint) {
            pt01 = startPoint;
            pt02 = endPoint;
            thickness01 = thickness;
            thickness02 = thickness;
            tilt01 = tiltOfStartPoint;
            tilt02 = tiltOfEndPoint;
        }

        public line(Vector2 startPoint, Vector2 endPoint,
                double thicknessOfStartPoint, double thicknessOfEndPoint,
                double tiltOfStartPoint, double tiltOfEndPoint) {
            pt01 = startPoint;
            pt02 = endPoint;
            thickness01 = thicknessOfStartPoint;
            thickness02 = thicknessOfEndPoint;
            tilt01 = tiltOfStartPoint;
            tilt02 = tiltOfEndPoint;
        }

        #endregion

        public void render(renderCam context) {
            context.drawQuad(pt01, pt01 + new Vector2(0.03f, 0), pt02 + new Vector2(0.03f, 0), pt02);
        }
    }
}