using Hi.Disp;
using Hi.Geom;
using System;

namespace Sample.Disp
{
    /// <summary>
    /// Demonstrates creation of pickable 3D geometry at the primitive level.
    /// Shows how to assign picking IDs directly to geometry vertices and create interactive triangles.
    /// Uses a lower-level approach than the Pickable base class for more precise control.
    /// </summary>
    /// <remarks>
    /// ### Source Code
    /// [!code-csharp[SampleCode](~/../Hi.Sample.Wpf/Disp/DemoPickable.cs)]
    /// </remarks>
    public class DemoPickable : IDisplayee
	{
		private readonly Drawing draw;
		private readonly ShowEventPickable pickable;

		/// <summary>
		/// Initializes a new instance of DemoPickable.
		/// Creates a pickable triangle with a specific picking ID for user interaction.
		/// </summary>
		public DemoPickable()
		{
			pickable = new ShowEventPickable();
			double pid = pickable.PickingID;
			double[] vs = new double[] {
				//pickID, x,y,z
				pid, 0,0.1,0.1,
				pid, 0.1,0,0,
				pid, 0.1,0,0.1
			};
			draw = new Drawing(vs, Stamp.PV, GL.GL_TRIANGLES);
		}
        /// <inheritdoc/>
        public void Display(Bind bind)
		{
			draw.Display(bind);
		}
        /// <inheritdoc/>
        public void ExpandToBox3d(Box3d dst)
		{
			draw.ExpandToBox3d(dst);
		}

		/// <summary>
		/// Entry point for the DemoPickable example.
		/// Creates and displays a pickable triangle that can respond to mouse events.
		/// Demonstrates integration of picking functionality with geometric primitives.
		/// </summary>
		[STAThread]
		public static void Main()
		{
            DemoUtil.RunApplication("DemoPickable", new DemoPickable());
		}
	}


}