基于OpenGL的3D虚拟场景设计与实现_场景的设计与实现

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基于OpenGL的3D虚拟场景设计与实现

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沈阳航空航天大学

2010年6月

沈阳航空航天大学毕业设计（论文）

Design and Implementation of 3D virtual Scene Using OpenGL

Abstract

As a rising subject, virtual reality is the best human-machine interface technology,

and it is also the fundamental and important study content. At present, the virtual reality

technology has broad applications to many areas. Virtual reality technology is the use of

sensor interface, users can immerse to the virtual environment. And through a variety of

s e n o r i n t e r f a c e , u s e r s c a n i m m e r s e t o t h e v i r t u a l e n v i r o n m e n t , a c h i e v i n g i n t e r a c t i o n

between user and the virtual environment.

T h i s p a p e r e l a b o r a t e s h o w t o e s t a b l i s h a s c e n e o f “T i m e T o g e t h e r A c r o s s t h e

Strait”. On this base, this paper carried out research in these aspects as follows:

F i r s t l y , m a k e s o m e a n a l y s i s a b o u t O p e n G L p r o g r a m m i n g a n d w o r k i n g t h e o r y ,

i n clu d i n g th e dra w i n g p r o c e ss a n d t h e ma in f u nctio n s of O penG L a n d s o on. M a ke an

introduction about VC++, at the same time summarize programming principles of MFC

a n d a p p l i c a t i o n f r a m e w o r k . B e s i d e s , a n a l y z e r e n d e r i n g g r a p h i c s o p t i m i z a t i o n t o o l s o f

OpenGL—the use and management of display list, and the method of drawing complex

graphics—graphics transformation.

S e c o n d , us i n g M F C f r a m e w o r k a n d O p e n G L d i s p l a y l i s t a n d r e l e v a n t d r a w i n g

function knowledge, finished drawing complex snowflakes, petals, moon, lantern. Realize

t h e s c e n e o f “T i m e T o g e t h e r A c r o s s t h e S t r a i t” , b u t a l s o a c h i e v e t h e s c e n e o f p e t a l s

f l y i n g, s n o w f l a k e s d a n c i n g , w a v i n g l a n t e r n d a n c i n g w i t h t h e w i n d a n d t h e m u t u a l

transformation function of petal flying and snowflakes dancing.

I n t h e e n d , b a s i n g o n t h e m e t h o d o f g r a p h i c s , r e a l i ze t h e c o n s t r u c t i o n o f g r o u n d

sy stem consisting of tr ee, litt le pe ople and s mal l hou se, ma ke wh ole virtual scene loo k

more harmonious and beautiful.

Keywords: virtual environment; OpenGL; display list; graphics transformation

沈阳航空航天大学毕业设计（论文）
目  录
摘 要...............................................................................................................................I
Design and Implementation of 3D virtual Scene Using OpenGL.................................II
 目 录...........................................................................................................................III
 绪论.................................................................................................................................1
1 虚拟现实的发展及研究现状.....................................................................................1
1.1 虚拟现实的起源和发展......................................................................................1
1.2 国内外研究现状..................................................................................................2
2 基于 OpenGL 的系统实现方法.................................................................................4
2.1 OpenGL 图形库技术............................................................................................4
2.2 VC++编程平台及 MFC 库..................................................................................6
3 小结.............................................................................................................................9
 需求分析.......................................................................................................................10
1 任务背景及目标.......................................................................................................10
2 任务功能分析...........................................................................................................11
3 系统开发技术...........................................................................................................12
3.1 显示列表技术....................................................................................................12
3.2 场景变换原理....................................................................................................13
4 小结...........................................................................................................................13
 软件设计与实现...........................................................................................................14
1 总体设计...................................................................................................................14
2 天空模块...................................................................................................................16
2.1 天空模块功能及原理........................................................................................16
2.2 天空模块中的数学关系....................................................................................17
2.3 天空模块的算法实现........................................................................................18
2.4 基于 OpenGL 的天空模块的设计与实现.........................................................20
3 灯笼模块...................................................................................................................20
3.1 灯笼模块的功能及原理....................................................................................20
3.2 基于 OpenGL 的灯笼模块的算法设计与实现.................................................21
4 地面模块...................................................................................................................22
4.1 地面模块功能及原理........................................................................................22
4.2 基于 OpenGL 的地面模块的算法设计与实现.................................................23
III