http://www.ltesting.net/ceshi/ruanjianceshikaifajishu/rjcskfyy/dotnet/2007/0630/97945.html
微软提供较少的标准支持,对于和他们竞争的东西—比如CORBA(COM的竞争对手)和OpenGL(DirectX的竞争对手)。 不过在C#中实现Opengl也并非没有可能,有很多很好的第3方库可以使用,这里列举2个。
(1)CsGL http://csgl.sourceforge.net/index.html 名气较大的o
微软提供较少的标准支持,对于和他们竞争的东西—比如CORBA(COM的竞争对手)和OpenGL(DirectX的竞争对手)。
不过在C#中实现Opengl也并非没有可能,有很多很好的第3方库可以使用,这里列举2个。
(1)CsGL
http://csgl.sourceforge.net/index.html
名气较大的opengl库,有稳定版本。sf上的项目地址http://sourceforge.net/project/showfiles.php?group_id=33241。
目前有多个3D引擎项目使用的这个库。
(2)CSopenGL
http://sourceforge.net/projects/csopengl/
http://www.ia.hiof.no/gb/ptools/csharp/p-csharp.html
有较详细的文档和例子。sf上的项目地址http://sourceforge.net/project/showfiles.php?group_id=54966&package_id=49782。
CSopenGL的一个例子(我在VS2005上编译)
-------form1.cs-------
#region Using directives
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using CSOpenGL;
#endregion
namespace opentest
{
partial class Form1 : System.Windows.Forms.Form
{
//private System.ComponentModel.Container components = null;
private GLView view;
public Form1()
{
InitializeComponent();
view = new GLView();
view.Parent = this;
view.CreateControl();
view.Dock = DockStyle.Fill;
view._OnPaint = new Painter();
}
/*
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
view.Dispose();
}
base.Dispose(disposing);
}
*/
private void Form1_Load(object sender, EventArgs e)
{
}
}
public class Painter : GLViewPainter
{
public Painter() { }
public override void Paint(GLView view)
{
glViewport(0, 0, view.Width, view.Height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f, 1.0f, 0.1f, 100.0f);
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
//drawPyramid();
//drawSphere();
drawCube();
glFlush();
}
private void drawPyramid()
{
glLoadIdentity();
glTranslatef(-0.2f, 0.3f, -4.0f);
glRotatef(45.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLES);
// front face triangle:
glColor3f(1.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(1.0f, -1.0f, 1.0f);
// right face triangle:
glColor3f(1.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(1.0f, -1.0f, 1.0f);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(1.0f, -1.0f, -1.0f);
//back face triangle:
glColor3f(1.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(1.0f, -1.0f, -1.0f);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, -1.0f);
// left face triangle:
glColor3f(1.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, -1.0f);
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glEnd();
}
private void drawCube()
{
// enable color blending:
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLoadIdentity();
glTranslatef(0.0f, 0.2f, -6.0f);
glRotatef(45.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
// tegner først de sidene som ikke skal være gjennomsiktige:
//the back:
glColor4f(1.0f, 1.0f, 0.0f, 1.0f); // yellow
glVertex3f(1.0f, -1.0f, -1.0f);
glVertex3f(-1.0f, -1.0f, -1.0f);
glVertex3f(-1.0f, 1.0f, -1.0f);
glVertex3f(1.0f, 1.0f, -1.0f);
//the bottom:
glColor4f(1.0f, 0.5f, 0.0f, 1.0f); // orange
glVertex3f(1.0f, -1.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, -1.0f);
glVertex3f(1.0f, -1.0f, -1.0f);
//the right face:
glColor4f(1.0f, 0.0f, 1.0f, 0.75f); // cyan
glVertex3f(1.0f, 1.0f, -1.0f);
glVertex3f(1.0f, 1.0f, 1.0f);
glVertex3f(1.0f, -1.0f, 1.0f);
glVertex3f(1.0f, -1.0f, -1.0f);
// de sidene som skal være gjennomsiktige:
// setter DepthBuffer read-only:
glDepthMask(0);
//the front:
glColor4f(1.0f, 0.0f, 0.0f, 0.75f); // red
glVertex3f(1.0f, 1.0f, 1.0f);
glVertex3f(-1.0f, 1.0f, 1.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glVertex3f(1.0f, -1.0f, 1.0f);
//the top:
glColor4f(0.0f, 1.0f, 0.0f, 0.75f); // green
glVertex3f(1.0f, 1.0f, -1.0f);
glVertex3f(-1.0f, 1.0f, -1.0f);
glVertex3f(-1.0f, 1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 1.0f);
//the left face:
glColor4f(0.0f, 0.0f, 1.0f, 0.75f); // blue
glVertex3f(-1.0f, 1.0f, 1.0f);
glVertex3f(-1.0f, 1.0f, -1.0f);
glVertex3f(-1.0f, -1.0f, -1.0f);
glVertex3f(-1.0f, -1.0f, 1.0f);
glEnd();
glDepthMask(1);
glDisable(GL_BLEND);
}
private void drawSphere()
{
float[] ambient = { 1.0f, 1.0f, 0.0f, 1.0f };
float[] diffuse = { 1.0f, 1.0f, 0.0f, 1.0f };
float[] specular = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] position = { 4.0f, 0.0f, 6.0f, 0.0f };
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
glLightfv(GL_LIGHT0, GL_POSITION, position);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
gluLookAt(-4.0, -5.0, 6.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
IntPtr hdc = gluNewQuadric();
gluSphere(hdc, 2.0, 40, 40);
gluDeleteQuadric(hdc);
}
}
}
-------------program.cs--------------
#region Using directives
using System;
using System.Collections.Generic;
using System.Windows.Forms;
#endregion
namespace opentest
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.EnableRTLMirroring();
Application.Run(new Form1());
}
}
}
用第三方插件是CSGL,其官方网站为:
关键是使用其提供的两个DLL:csgl.dll 和 csgl.native.dll,csgl.dll是开发使用的,在一个C#工程中,用“项目”->“添加引用”->“浏览”找到csgl.dll 引用。然后把两个dll都放到程序目录在运行时使用。
在需要使用OpenGL函数的cs文件的using声明中,加上:using CsGL.OpenGL命名空间,就可以使用静态GL类调用OpenGL函数和变量了,比如GL.glRotatef
而对于显示OpenGL窗口,需要自己建立一个从CsGL.OpenGL.OpenGLControl类继承的控制类,并至少做以下重构:
protected override void OnCreateControl()
{
GL.glClearDepth(1.0f);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glEnable( GL.GL_DEPTH_TEST );
}
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
Size s = Size;
double aspect_ratio = (double)s.Width /(double) s.Height;
ViewCtrl.VIEWSIZE_WIDTH = s.Width;
ViewCtrl.VIEWSIZE_HEIGHT = s.Height;
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GL.gluPerspective(63.0f, aspect_ratio, 1f, 4000.0f);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
}
public override void glDraw()
{
GL.glClearColor(0.1f,0.1f,0.2f,1.0f);
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
GL.glLoadIdentity();
}
(在glDraw()中动态绘制想画的东西)
然后捆绑到一个Form窗体上显示就可以:
如:声明:public class csglViewer : OpenGLControl
在窗体中实例化:csglViewer myview;
myview = new csglViewer();
myview.dock = DockStyle.Fill;
Form1.Controls.Add(myview);
OK~其实C#里面使用OpenGL跟C++没有太大区别,OpenGL毕竟是所谓平台无关的,那些函数基本上都是一致的。重点其实就是学OpenGL而不是什么语言的OpenGL,只要把接口(或者可以说显示OpenGL画面的窗口)找到就行了
Trackback: http://tb.blog.youkuaiyun.com/TrackBack.aspx?PostId=1791625
===================
(3)其他开发包:OPENTK
http://sourceforge.net/projects/opentk/
- The Open Toolkit library
- The Open Toolkit library
- The Open Toolkit library
还在支持。。。。非常不错。
有最新版本呢。
具体实例.跟着下面的网站..很有名的..作者的态度太让人佩服了..
http://nehe.gamedev.net/ 左边的 OpenGL Tutorials .. 一定要仔细的学
线性代数不好..看下面的网站.
http://chortle.ccsu.edu/VectorLessons/vectorIndex.html
openGL 官方红书手册
http://www.parallab.uib.no/SGI_bookshelves/SGI_Developer/books/OpenGL_RM/sgi_html/bk02.html
如果有不懂的wgl glut glu 函数 去 http://msdn.microsoft.com/library/ 查
SharpGL: A C# OpenGL Class Library

跨平台的引擎,ANDROID,WINDOWS ,LINUX.