using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Drawing;
using?System.Data;
using?System.Text;
using?System.Windows.Forms;

using?OpenTK;
using?OpenTK.Graphics;

namespace?AxlesGL
{
	public?partial?class?Axles3D?:?GLControl
	{
		bool?_loaded?=?false;
		double?_azi?_ele;
		double?_angleX?_angleY?_angleZ;

		//?旋轉角度
		float?theta?=?0.0f;

		//?旋轉軸
		float[]?axis?=?{?1.0f?0.0f?0.0f?};

		//?鼠標上次和當前坐標（映射到單位半球面）
		float[]?lastPos?=?{?0.0f?0.0f?0.0f?};
		float[]?curPos?=?{?0.0f?0.0f?0.0f?};

		//?上一次轉換矩陣
		float[]?lastMatrix?=
		{
			1.0f?0.0f?0.0f?0.0f
			0.0f?1.0f?0.0f?0.0f
			0.0f?0.0f?1.0f?0.0f
			0.0f?0.0f?0.0f?1.0f
		};

		public?double?Azimuth
		{
			get
			{
				return?_azi;
			}
			set
			{
				_azi?=?value;
				if?（_loaded）
					DrawAll（）;
			}
		}

		public?double?Elevation
		{
			get
			{
				return?_ele;
			}
			set
			{
				_ele?=?value;
				if?（_loaded）
					DrawAll（）;
			}
		}

		public?double?AngleX
		{
			get
			{
				return?_angleX;
			}
			set
			{
				_angleX?=?value;
				if?（_loaded）
					DrawAll（）;
			}
		}

		public?double?AngleY
		{
			get
			{
				return?_angleY;
			}
			set
			{
				_angleY?=?value;
				if?（_loaded）
					DrawAll（）;
			}
		}

		public?double?AngleZ
		{
			get
			{
				return?_angleZ;
			}
			set
			{
				_angleZ?=?value;
				if?（_loaded）
					DrawAll（）;
			}
		}

		public?Axles3D（）
		{
			InitializeComponent（）;

			AngleY?=?30;
			AngleZ?=?-30;
		}

		private?void?Axles3D_Resize（object?sender?EventArgs?e）
		{
			if?（_loaded）
			{
				DrawAll（）;
			}
		}

		private?void?Axles3D_Paint（object?sender?PaintEventArgs?e）
		{
			if?（_loaded）
			{
				DrawAll（）;
			}
		}

		private?void?DrawAll（）
		{
			//SETGL
			GL.Enable（EnableCap.Blend）;
			GL.Enable（EnableCap.DepthTest）;
			GL.ShadeModel（ShadingModel.Smooth）;
			GL.ClearColor（Color.Black）;
			GL.ClearColor（1.0f?1.0f?0.5f?0.7f）;
			GL.BlendFunc（BlendingFactorSrc.SrcAlpha?BlendingFactorDest.OneMinusSrcAlpha）;
			//SETVIEW
			GL.Viewport（0?0?this.Bounds.Width?this.Bounds.Height）;
			GL.MatrixMode（MatrixMode.Projection）;
			GL.LoadIdentity（）;
			Glu.Perspective（45.0f?（float）this.Bounds.Width?/?（float）this.Bounds.Height?1.0?10.0）;
			Glu.LookAt（0.0?0.0?4.0?0.0?0.0?3.0?0.0?1.0?0.0）;
			GL.MatrixMode（MatrixMode.Modelview）;
			GL.LoadIdentity（）;

			GL.Clear（ClearBufferMask.ColorBufferBit?|?ClearBufferMask.DepthBufferBit）;
			//?計算新的旋轉矩陣，即：M?=?E?·?R?=?R
			GL.Rotate（theta?axis[0]?axis[1]?axis[2]）;
			//?左乘上前一次的矩陣，即：M?=?R?·?L
			GL.MultMatrix（lastMatrix）;
			//?保存此次處理結果，即：L?=?M
			GL.GetFloat（GetPName.ModelviewMatrix?lastMatrix）;
			theta?=?0.0f;

			//?畫坐標軸
			DrawOLineInGL（0?0?1.1f?2.0f?Color.Red?true）;
			DrawOLineInGL（Math.PI?0?1.1f?2.0f?Color.Red?false）;
			DrawOLineInGL（Math.PI?/?2?0?1.1f?2.0f?Color.Lime?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1392??2018-05-11?10:01??3D坐標系演示\3D坐標系演示.sln

????..A..H.?????30720??2011-07-05?01:13??3D坐標系演示\3D坐標系演示.suo

????..A..H.?????30720??2011-07-05?01:13??3D坐標系演示\3D坐標系演示.v11.suo

?????文件???????8259??2011-07-05?01:11??3D坐標系演示\AxlesGL\Axles3D.cs

?????文件???????1442??2011-07-04?19:31??3D坐標系演示\AxlesGL\Axles3D.Designer.cs

?????文件???????5814??2011-07-04?19:31??3D坐標系演示\AxlesGL\Axles3D.resx

?????文件???????3515??2018-05-11?10:01??3D坐標系演示\AxlesGL\AxlesGL.csproj

?????文件??????11264??2018-05-11?10:01??3D坐標系演示\AxlesGL\bin\Debug\AxlesGL.dll

?????文件??????24064??2018-05-11?10:01??3D坐標系演示\AxlesGL\bin\Debug\AxlesGL.pdb

?????文件????3223552??2010-10-07?00:48??3D坐標系演示\AxlesGL\bin\Debug\OpenTK.Compatibility.dll

?????文件????2719744??2010-10-07?00:47??3D坐標系演示\AxlesGL\bin\Debug\OpenTK.dll

?????文件??????24576??2010-10-07?00:47??3D坐標系演示\AxlesGL\bin\Debug\OpenTK.GLControl.dll

?????文件???????5904??2010-10-07?00:47??3D坐標系演示\AxlesGL\bin\Debug\OpenTK.GLControl.xml

?????文件????3843235??2010-10-07?00:47??3D坐標系演示\AxlesGL\bin\Debug\OpenTK.xml

?????文件????????180??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.Axles3D.resources

?????文件???????1254??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.csproj.FileListAbsolute.txt

?????文件????????776??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.csproj.GenerateResource.Cache

?????文件??????17214??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.csprojResolveAssemblyReference.cache

?????文件??????11264??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.dll

?????文件??????24064??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\AxlesGL.pdb

?????文件???????6854??2018-05-11?10:01??3D坐標系演示\AxlesGL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????4575??2018-05-11?10:01??3D坐標系演示\AxlesView\AxlesView.csproj

?????文件??????11264??2018-05-11?10:01??3D坐標系演示\AxlesView\bin\Debug\AxlesGL.dll

?????文件??????24064??2018-05-11?10:01??3D坐標系演示\AxlesView\bin\Debug\AxlesGL.pdb

?????文件???????9216??2018-05-11?10:01??3D坐標系演示\AxlesView\bin\Debug\AxlesView.exe

?????文件??????22016??2018-05-11?10:01??3D坐標系演示\AxlesView\bin\Debug\AxlesView.pdb

?????文件??????21464??2018-05-11?10:02??3D坐標系演示\AxlesView\bin\Debug\AxlesView.vshost.exe

?????文件????????490??2012-06-06?02:06??3D坐標系演示\AxlesView\bin\Debug\AxlesView.vshost.exe.manifest

?????文件????3223552??2010-10-07?00:48??3D坐標系演示\AxlesView\bin\Debug\OpenTK.Compatibility.dll

?????文件????2719744??2010-10-07?00:47??3D坐標系演示\AxlesView\bin\Debug\OpenTK.dll

............此處省略60個文件信息