using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace DrawingLines1
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		private Device device;

		private float angle;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.Opaque,true);

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(528, 389);
			this.Name = "Form1";
			this.Text = "Form1";
		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			using(Form1 frm = new Form1())
			{
				frm.Show();
				frm.InitializeDevice();
				Application.Run(frm);
			}
		}
		public void InitializeDevice()
		{
			Microsoft.DirectX.Direct3D.PresentParameters pp = new PresentParameters();
			pp.Windowed = true;
			pp.SwapEffect = SwapEffect.Discard;

			angle =0.0f;

			device = new Device(0,
				DeviceType.Hardware,
				this,
				CreateFlags.SoftwareVertexProcessing,
				pp);
			device.Transform.Projection=Matrix.PerspectiveFovLH((float)Math.PI / 4, this.Width / this.Width,1.0f,100.0f);
			device.Transform.View=Matrix.LookAtLH(new Vector3(0,0,5.0f), new Vector3(), new Vector3(0,1.0f,0));
			device.RenderState.Lighting=false;

		}

		protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
		{
			device.Clear(ClearFlags.Target,
				System.Drawing.Color.CornflowerBlue,
				1.0f,
				0);

			CustomVertex.PositionColored[] verts = 
				new CustomVertex.PositionColored[6];

			//First line in x direction
			verts[0].SetPosition(new Vector3(2.0f,0.0f,0.0f));
			verts[0].Color=System.Drawing.Color.GreenYellow.ToArgb();

			verts[1].SetPosition(new Vector3(-2.0f,0.0f,0.0f));
			verts[1].Color=System.Drawing.Color.GreenYellow.ToArgb();

			//Second line in y direction
			verts[2].SetPosition(new Vector3(0.0f, 2.0f, 0.0f));
			verts[2].Color=System.Drawing.Color.Red.ToArgb();

			verts[3].SetPosition(new Vector3(0.0f, -2.0f, 0.0f));
			verts[3].Color=System.Drawing.Color.Red.ToArgb();
			
			//Third line in the z direction
			verts[4].SetPosition(new Vector3(0.0f, 0.0f, 2.0f));
			verts[4].Color=System.Drawing.Color.HotPink.ToArgb();

			verts[5].SetPosition(new Vector3(0.0f, 0.0f, -2.0f));
			verts[5].Color=System.Drawing.Color.HotPink.ToArgb();


			CustomVertex.PositionColored[] v = 	new CustomVertex.PositionColored[100];
			v[0].SetPosition(new Vector3(0.0f, 1.0f, 0.0f));
			v[1].SetPosition(new Vector3(0.0f, 0.0f, 1.0f));
			v[2].SetPosition(new Vector3(1.0f, 0.0f, 0.0f));
			v[0].Color = Color.Gold.ToArgb();
			v[1].Color = Color.Gold.ToArgb();
			v[2].Color = Color.Gold.ToArgb();

			v[3].SetPosition(new Vector3(0.0f, 1.0f, 0.0f));
			v[4].SetPosition(new Vector3(0.0f, 0.0f, -1.0f));
			v[5].SetPosition(new Vector3(-1.0f, 0.0f, 0.0f));
			v[3].Color = Color.Teal.ToArgb();
			v[4].Color = Color.Teal.ToArgb();
			v[5].Color = Color.Teal.ToArgb();

			v[6].SetPosition(new Vector3(0.0f, 1.0f, 0.0f));
			v[7].SetPosition(new Vector3(-1.0f, 0.0f, 0.0f));
			v[8].SetPosition(new Vector3(0.0f, 0.0f, 1.0f));
			v[6].Color = Color.Tan.ToArgb();
			v[7].Color = Color.Tan.ToArgb();
			v[8].Color = Color.Tan.ToArgb();

			v[9].SetPosition(new Vector3(0.0f, 1.0f, 0.0f));
			v[10].SetPosition(new Vector3(1.0f, 0.0f, 0.0f));
			v[11].SetPosition(new Vector3(0.0f, 0.0f, -1.0f));
			v[9].Color = Color.SpringGreen.ToArgb();
			v[10].Color = Color.SpringGreen.ToArgb();
			v[11].Color = Color.SpringGreen.ToArgb();


			v[12].SetPosition(new Vector3(-1.0f, 0.0f, 0.0f));
			v[13].SetPosition(new Vector3(0.0f, 0.0f, -1.0f));
			v[14].SetPosition(new Vector3(1.0f, 0.0f, 0.0f));
			v[12].Color = Color.Black.ToArgb();
			v[13].Color = Color.Black.ToArgb();
			v[14].Color = Color.Black.ToArgb();

			v[15].SetPosition(new Vector3(-1.0f, 0.0f, 0.0f));
			v[16].SetPosition(new Vector3(1.0f, 0.0f, 0.0f));
			v[17].SetPosition(new Vector3(0.0f, 0.0f, 1.0f));
			v[15].Color = Color.Black.ToArgb();
			v[16].Color = Color.Black.ToArgb();
			v[17].Color = Color.Black.ToArgb();



			device.Transform.World = Matrix.RotationAxis(new Vector3(angle / ((float)Math.PI * 2.0f), angle / ((float)Math.PI * 4.0f), angle / ((float)Math.PI * 6.0f)), angle / (float)Math.PI);
			angle += 0.1f;

			device.BeginScene(); //gonna draw something
			device.VertexFormat=CustomVertex.PositionColored.Format; //what type of a drawing
			device.DrawUserPrimitives(PrimitiveType.LineList,3,verts); //what are we gonna draw

			device.DrawUserPrimitives(PrimitiveType.TriangleList,6,v); //what are we gonna draw	
			
			
			device.EndScene(); //done drawing

			device.Present();
			this.Invalidate();
		}
	}
}