研究报告生计算机图形学课程室内场景OpenGL-实验报告

1、-PAGE . z.高级计算机图形学实验报告姓 名：*：班级：【实验报告要求】实验名称：高级计算机图形学室场景实验目的：掌握使用OpenGL生成真实感复杂对象的方法，进一步熟练掌握构造实体几何表示法、扫描表示法、八叉树法、BSP树法等建模方法。实验要求：要求利用OpenGL生成一个真实感的复杂对象及其周围场景，并显示观测点变化时的几何变换，要具备在一个纹理复杂的场景中漫游功能。要求使用到光线跟踪算法、纹理映射技术以及实时绘制技术。一、实验效果图图1:正面效果图图2：反面效果图图4：反面效果图图4：室场景细节效果图图5：场景角度转换效果图二、源文件数据代码：共6个文件，其实现代码如下：1、Dlg

2、About.cpp#include StdAf*.h#include DlgAbout.hCAboutDlg:CAboutDlg() : CDialog(CAboutDlg:IDD)void CAboutDlg:DoDataE*change(CDataE*change* pD*)CDialog:DoDataE*change(pD*);BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)END_MESSAGE_MAP()2、FormmandView.cpp#include stdaf*.h#include Tool.h#include MainFrm.h#include F

3、ormmandView.h#include ToolDoc.h#include RenderView.h/ Download by #ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CFormmandViewIMPLEMENT_DYNCREATE(CFormmandView, CFormView)CFormmandView:CFormmandView(): CFormView(CFormmandView:IDD)/AF*_DATA_INIT(CFormmandView

4、)m_Smooth = FALSE;m_Antialias = FALSE;/AF*_DATA_INITCFormmandView:CFormmandView()void CFormmandView:DoDataE*change(CDataE*change* pD*)CFormView:DoDataE*change(pD*);/AF*_DATA_MAP(CFormmandView)DD*_Control(pD*, IDC_FRAME_COLOR_BACK, m_ControlBackColor);DD*_Check(pD*, IDC_CHECK_SMOOTH, m_Smooth);DD*_Ch

5、eck(pD*, IDC_CHECK_ANTIALIAS, m_Antialias);/AF*_DATA_MAPBEGIN_MESSAGE_MAP(CFormmandView, CFormView)/AF*_MSG_MAP(CFormmandView)ON_WM_PAINT()ON_WM_LBUTTONUP()ON_BN_CLICKED(IDC_RADIO_MODEL_1, OnRadioModel1)ON_BN_CLICKED(IDC_RADIO_MODEL_2, OnRadioModel2)ON_BN_CLICKED(IDC_CHECK_SMOOTH, OnCheckSmooth)ON_B

6、N_CLICKED(IDC_CHECK_ANTIALIAS, OnCheckAntialias)/AF*_MSG_MAPEND_MESSAGE_MAP()/ CFormmandView diagnostics#ifdef _DEBUGvoid CFormmandView:AssertValid() constCFormView:AssertValid();void CFormmandView:Dump(CDumpConte*t& dc) constCFormView:Dump(dc);CToolDoc* CFormmandView:GetDocument() / non-debug versi

7、on is inlineASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CToolDoc);return (CToolDoc*)m_pDocument;#endif /_DEBUG/ OnPaintvoid CFormmandView:OnPaint() / Device conte*t for paintingCPaintDC dc(this); / Options are stored in ApplicationCToolApp *pApp = (CToolApp *)Af*GetApp();CRect rect;/ Color backm_Contr

8、olBackColor.GetWindowRect(&rect);ScreenToClient(&rect);CBrush BrushBack(pApp-m_OptionColorGlBack);dc.FillRect(&rect,&BrushBack);/ OnLButtonUpvoid CFormmandView:OnLButtonUp(UINT nFlags, CPoint point) CRect rect;CToolApp *pApp = (CToolApp *)Af*GetApp();/ Option back colorm_ControlBackColor.GetWindowRe

9、ct(&rect);ScreenToClient(&rect);if(rect.PtInRect(point)CColorDialog dlg(pApp-m_OptionColorGlBack);if(dlg.DoModal()=IDOK)pApp-m_OptionColorGlBack = dlg.GetColor();CRenderView *pView = (CRenderView *)GetRenderView();pView-m_ClearColorRed = (float)GetRValue(pApp-m_OptionColorGlBack) / 255.0f;pView-m_Cl

10、earColorGreen = (float)GetGValue(pApp-m_OptionColorGlBack) / 255.0f;pView-m_ClearColorBlue = (float)GetBValue(pApp-m_OptionColorGlBack) / 255.0f;this-InvalidateRect(&rect,FALSE);pView-InvalidateRect(NULL,FALSE);CFormView:OnLButtonUp(nFlags, point);/ GetRenderViewCView *CFormmandView:GetRenderView()

11、CToolApp *pApp = (CToolApp *)Af*GetApp();CMainFrame *pFrame = (CMainFrame *)pApp-m_pMainWnd;CView *pView = (CView *)pFrame-m_wndSplitter.GetPane(0,1);return pView;/ Modelvoid CFormmandView:OnRadioModel1() glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);this-GetRenderView()-InvalidateRect(NULL,FALSE); void

12、CFormmandView:OnRadioModel2() glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);this-GetRenderView()-InvalidateRect(NULL,FALSE); / OnCheckSmoothvoid CFormmandView:OnCheckSmooth() m_Smooth = !m_Smooth;if(m_Smooth)glShadeModel(GL_SMOOTH);elseglShadeModel(GL_FLAT);this-GetRenderView()-InvalidateRect(NULL,FALSE)

13、; / OnCheckAntialias/ Toggle antialiased linesvoid CFormmandView:OnCheckAntialias() m_Antialias = !m_Antialias;if(m_Antialias)glEnable(GL_LINE_SMOOTH);glEnable(GL_BLEND);glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);glHint(GL_LINE_SMOOTH_HINT,GL_NICEST);glLineWidth(1.5f);elseglDisable(GL_LINE_SMO

14、OTH);glDisable(GL_BLEND);glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);glHint(GL_LINE_SMOOTH_HINT,GL_NICEST);glLineWidth(1.0f);GetRenderView()-InvalidateRect(NULL,FALSE); 3、MainFrm.cpp#include stdaf*.h#include Tool.h/ Download by #include MainFrm.h#include FormmandView.h#include RenderView.h#ifde

15、f _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CMainFrameIMPLEMENT_DYNAMIC(CMainFrame, CFrameWnd)BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)/AF*_MSG_MAP(CMainFrame)ON_WM_CREATE()ON_WM_PAINT()/AF*_MSG_MAPEND_MESSAGE_MAP()static UINT indicators =ID_SEPARATOR, / status

16、 line indicatorID_INDICATOR_CAPS,ID_INDICATOR_NUM,ID_INDICATOR_SCRL,;/ CMainFrame construction/destructionCMainFrame:CMainFrame()CMainFrame:CMainFrame()int CMainFrame:OnCreate(LPCREATESTRUCT lpCreateStruct)if (CFrameWnd:OnCreate(lpCreateStruct) = -1)return -1;if (!m_wndToolBar.Create(this) |!m_wndTo

17、olBar.LoadToolBar(IDR_MAINFRAME)TRACE0(Failed to create toolbarn);return -1; / fail to createif (!m_wndStatusBar.Create(this) |!m_wndStatusBar.SetIndicators(indicators, sizeof(indicators)/sizeof(UINT)TRACE0(Failed to create status barn);return -1; / fail to createm_wndToolBar.SetBarStyle(m_wndToolBa

18、r.GetBarStyle() |CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);return 0;BOOL CMainFrame:PreCreateWindow(CREATESTRUCT& cs)cs.c* = 600; cs.cy = 500;return CFrameWnd:PreCreateWindow(cs);/ CMainFrame diagnostics#ifdef _DEBUGvoid CMainFrame:AssertValid() constCFrameWnd:AssertValid();void CMainFrame:Dum

19、p(CDumpConte*t& dc) constCFrameWnd:Dump(dc);#endif /_DEBUG/ CMainFrame message handlersvoid CMainFrame:OnPaint() CPaintDC dc(this); / device conte*t for paintingBOOL CMainFrame:OnCreateClient(LPCREATESTRUCT lpcs, CCreateConte*t* pConte*t) if (!m_wndSplitter.CreateStatic(this, 1, 2,WS_CHILD | WS_VISI

20、BLE)TRACE(Failed to CreateStaticSplittern);return FALSE;/ First splitter paneif (!m_wndSplitter.CreateView(0, 0,RUNTIME_CLASS(CRenderView), CSize(600,500), pConte*t)TRACE(Failed to create mand view panen);return FALSE;if (!m_wndSplitter.CreateView(0, 1,RUNTIME_CLASS(CFormmandView), CSize(0,0), pCont

21、e*t)TRACE(Failed to create mand view panen);return FALSE;/ Second splitter panereturn TRUE;4、RenderView.cpp#include stdaf*.h#include Tool.h#include #include #include #include ToolDoc.h#include RenderView.h#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endife*tern v

22、oidRender(void);/ This is the holding space for the landscape WinWidth, WinHeigth;unsigned short int p = 32; / Scale modifier.unsigned short int temp, te*ture_mapping = FALSE, land_fogging = TRUE, flat_shading = TRUE;floatangle, Near, e*, ey, ez, c*, cy, cz;/ Initial eye position and vect

23、or of sight.static GLfloat speed = 0;/ The following code for mouse routines was contributed./ These are used for the motion function.#define FORWARD 1#define UP 2#define TURNLEFT 3#define LOOKUP 5/ Mouse position and oldm* = 0, oldmy = 0, mb;/ CRenderViewIMPLEMENT_DYNCREATE(CRenderView,

24、CView)BEGIN_MESSAGE_MAP(CRenderView, CView)/AF*_MSG_MAP(CRenderView)ON_WM_DESTROY()ON_WM_SIZE()ON_WM_LBUTTONDOWN()ON_WM_LBUTTONUP()ON_WM_MOUSEMOVE()ON_WM_PAINT()ON_WM_CREATE()/AF*_MSG_MAP/ Standard printing mandsON_MAND(ID_FILE_PRINT, CView:OnFilePrint)ON_MAND(ID_FILE_PRINT_DIRECT, CView:OnFilePrint

25、)ON_MAND(ID_FILE_PRINT_PREVIEW, CView:OnFilePrintPreview)END_MESSAGE_MAP()/ CRenderView construction/destructionCRenderView:CRenderView() / OpenGL m_hGLConte*t = NULL; m_GLPi*elInde* = 0; / Mouse m_LeftButtonDown = FALSE; m_RightButtonDown = FALSE; m_CursorRotation = Af*GetApp()-LoadCursor(IDC_CURSO

26、R_ROTATION); / Colors CToolApp *pApp = (CToolApp *)Af*GetApp(); m_ClearColorRed = GetRValue(pApp-m_OptionColorGlBack); m_ClearColorGreen = GetGValue(pApp-m_OptionColorGlBack); m_ClearColorBlue = GetBValue(pApp-m_OptionColorGlBack); ReadData(); WinWidth=1000; WinHeigth=800; LoadAllTe*ture(); InitLook

27、At();/=/ InitGeometry/=void CRenderView:InitGeometry(void) GLfloat fogColor4 = 0.75, 0.75, 1.0, 1.0; speed = 0; srand(224); srand(unsigned)time(NULL); glPi*elStorei(GL_UNPACK_ALIGNMENT, 1); glEnable(GL_DEPTH_TEST); glShadeModel(GL_FLAT); glFogi(GL_FOG_MODE, GL_LINEAR); glFogfv(GL_FOG_COLOR, fogColor

28、); glFogf(GL_FOG_DENSITY, 0.8f); glFogf(GL_FOG_START, 400.0f); glFogf(GL_FOG_END, 500.0f); glClearColor(0.75f, 0.75f, 1.0f, 1.0f);CRenderView:CRenderView()FreeAllTe*ture();freelist();BOOL CRenderView:PreCreateWindow(CREATESTRUCT& cs) return CView:PreCreateWindow(cs);/ CRenderView drawingvoid CRender

29、View:OnDraw(CDC* pDC)BOOL CRenderView:OnPreparePrinting(CPrintInfo* pInfo) return DoPreparePrinting(pInfo);void CRenderView:OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)void CRenderView:OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)/ CRenderView diagnostics#ifdef _DEBUGvoid CRenderView:As

30、sertValid() const CView:AssertValid();void CRenderView:Dump(CDumpConte*t& dc) const CView:Dump(dc);CToolDoc* CRenderView:GetDocument() / non-debug version is inline if (m_pDocument) ASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CToolDoc); return (CToolDoc*)m_pDocument; else return NULL;#endif /_DEBUG/ C

31、reate OpenGL rendering conte*t int CRenderView:OnCreate(LPCREATESTRUCT lpCreateStruct) if (CView:OnCreate(lpCreateStruct) = -1) return -1; HWND hWnd = GetSafeHwnd(); HDC hDC = :GetDC(hWnd); if(SetWindowPi*elFormat(hDC)=FALSE) return 0; if(CreateViewGLConte*t(hDC)=FALSE) return 0;/ Default mode glPol

32、ygonMode(GL_FRONT,GL_FILL);glPolygonMode(GL_BACK,GL_FILL); glShadeModel(GL_FLAT); / light must be disabled / while rendering the terrain / because it has no normal definition InitGeometry(); glEnable(GL_TE*TURE_2D); glDisable(GL_LIGHTING); return 0;BOOL CRenderView:SetWindowPi*elFormat(HDC hDC) PI*E

33、LFORMATDESCRIPTOR pi*elDesc; pi*elDesc.nSize = sizeof(PI*ELFORMATDESCRIPTOR); pi*elDesc.nVersion = 1; pi*elDesc.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_STEREO_DONTCARE; pi*elDesc.iPi*elType = PFD_TYPE_RGBA; pi*elDesc.cColorBits = 32; pi*elDesc.cRedBits = 8; pi*elDe

34、sc.cRedShift = 16; pi*elDesc.cGreenBits = 8; pi*elDesc.cGreenShift = 8; pi*elDesc.cBlueBits = 8; pi*elDesc.cBlueShift = 0; pi*elDesc.cAlphaBits = 0; pi*elDesc.cAlphaShift = 0; pi*elDesc.cAccumBits = 64; pi*elDesc.cAccumRedBits = 16; pi*elDesc.cAccumGreenBits = 16; pi*elDesc.cAccumBlueBits = 16; pi*e

35、lDesc.cAccumAlphaBits = 0; pi*elDesc.cDepthBits = 32; pi*elDesc.cStencilBits = 8; pi*elDesc.cAu*Buffers = 0; pi*elDesc.iLayerType = PFD_MAIN_PLANE; pi*elDesc.bReserved = 0; pi*elDesc.dwLayerMask = 0; pi*elDesc.dwVisibleMask = 0; pi*elDesc.dwDamageMask = 0; m_GLPi*elInde* = ChoosePi*elFormat(hDC,&pi*

36、elDesc); if(m_GLPi*elInde* = 0) / Choose default m_GLPi*elInde* = 1; if(DescribePi*elFormat(hDC,m_GLPi*elInde*, sizeof(PI*ELFORMATDESCRIPTOR),&pi*elDesc)=0) return FALSE; if(!SetPi*elFormat(hDC,m_GLPi*elInde*,&pi*elDesc) return FALSE; return TRUE;/ Create an OpenGL rendering conte*tBOOL CRenderView:

37、CreateViewGLConte*t(HDC hDC) m_hGLConte*t = wglCreateConte*t(hDC); if(m_hGLConte*t=NULL) return FALSE; if(wglMakeCurrent(hDC,m_hGLConte*t)=FALSE) return FALSE; return TRUE;/ Cleanup every OpenGL rendering conte*tvoid CRenderView:OnDestroy() if(wglGetCurrentConte*t() != NULL) wglMakeCurrent(NULL,NULL

38、); if(m_hGLConte*t != NULL) wglDeleteConte*t(m_hGLConte*t); m_hGLConte*t = NULL; CView:OnDestroy();void CRenderView:OnSize(UINT nType, int c*, int cy) CView:OnSize(nType, c*, cy); / Set OpenGL perspective, viewport and mode CSize size(c*,cy); double aspect; aspect = (cy = 0) (double)size.c* : (doubl

39、e)size.c*/(double)size.cy; glViewport(0, 0, (GLsizei) c*, (GLsizei) cy); glMatri*Mode(GL_PROJECTION); glLoadIdentity(); gluPerspective(60.0, (GLfloat) c*/(GLfloat) cy, 1.0f, 500.0f); glMatri*Mode(GL_MODELVIEW); glLoadIdentity(); gluLookAt (e*, ey, ez, c*, cy, cz, 0.0f, 1.0f, 0.0f);void CRenderView:O

40、nLButtonDown(UINT nFlags, CPoint point) m_LeftButtonDown = TRUE; m_LeftDownPos = point; CView:OnLButtonDown(nFlags, point);void CRenderView:OnLButtonUp(UINT nFlags, CPoint point) m_LeftButtonDown = FALSE; CView:OnLButtonUp(nFlags, point);void CRenderView:OnMouseMove(UINT nFlags, CPoint point) switch

41、(nFlags) case(MK_LBUTTON): MoveEye(FORWARD,(GLfloat)(oldmy-point.y)/5.0f,1);break; case(MK_RBUTTON): MoveEye(TURNLEFT, (GLfloat)(oldm*-point.*), 1); break; oldmy = point.y; oldm* = point.*; Invalidate(FALSE); CView:OnMouseMove(nFlags, point);void CRenderView:OnPaint() / Device conte*t for painting C

42、PaintDC dc(this); / Useful in singledoc templates HWND hWnd = GetSafeHwnd(); HDC hDC = :GetDC(hWnd); wglMakeCurrent(hDC,m_hGLConte*t); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClearColor(m_ClearColorRed,m_ClearColorGreen,m_ClearColorBlue,1.0f); glPushMatri*(); glClear(GL_COLOR_BUFFER_BI

43、T | GL_DEPTH_BUFFER_BIT); InitRenderWin(); Render(); / Double buffers SwapBuffers(hDC);/ Function that moves the eye or turns the angle of sight./ Updates scene if update != 0.void CRenderView:MoveEye(int type, GLfloat amount, int update) GLfloat a; switch(type) case FORWARD:a = sqrt(c*-e*)*(c*-e*)+

44、(cz-ez)*(cz-ez);e* = (amount*(c*-e*)+a*e*) / a;ez = (amount*(cz-ez)+a*ez) / a;c* = (amount*(c*-e*)+a*c*) / a;cz = (amount*(cz-ez)+a*cz) / a; break; case TURNLEFT: c* = (c*-e*)*(float)cos(amount/360.0f) + (cz-ez)*(float)sin(amount/360.0f)+e*; cz = (cz-ez)*(float)cos(amount/360.0f) - (c*-e*)*(float)si

45、n(amount/360.0f)+ez; break; case UP: ey += amount; break; case LOOKUP: cy += amount; break; if (update) glMatri*Mode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(e*, ey, ez, c*, cy, cz, 0.0f,1.0f,0.0f); TE*TURE_2D *Te*tureList;OBJECT *ObjectList;/* ObjectList0:isolated surfaces*/INT4S ObjectNum; char

46、gEnergyFile30;char sLookAtFN100;char ImageName30;void CRenderView:ReadData() int i,j,l; FILE *fp; char stemp100; POINT3D *plist; INT4U nAllVerte*Num; INT4U *pchlist; strcpy(gEnergyFile,room.ed); fp = fopen( gEnergyFile, r ); if ( fp = NULL ) printf( n Can not open energy data file:%sn, gEnergyFile);

47、 e*it(0); fseek( fp, 0, SEEK_SET); /* read te*ture list */ fscanf( fp, %s, stemp); while( strcmp( stemp,te*num ) != 0) fscanf( fp, %s, stemp); fscanf( fp, %d, &te*num ); Te*tureList = (TE*TURE_2D *)malloc( sizeof(TE*TURE_2D)*(te*num+1);for(i=1; ifname, stemp );if ( strcmp( stemp,REPEAT_TE*TURE ) = 0

48、) Te*tureListi-type = 1;else if ( strcmp( stemp,CLAMP_TE*TURE ) = 0) Te*tureListi-type = 0; /* Read object list */ fscanf( fp, %s, stemp); while( strcmp( stemp,ObjectNum ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %ld, &ObjectNum); ObjectList = (OBJECT *)malloc( sizeof(OBJECT ) * ObjectNum);for(i = 0;

49、i ObjectNum; i + ) fscanf( fp, %s, stemp); while( strcmp( stemp,SurfaceNum ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %ld, &(ObjectListi.SurfNum) );ObjectListi.surflist = (SURFACE *)malloc( sizeof(SURFACE) * ObjectListi.SurfNum); for(j = 0; j ObjectListi.SurfNum; j + )/* Read surface infor */fscanf( f

50、p, %s, stemp); while( strcmp( stemp,Te*tureId ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %d, &(ObjectListi.surflistj.te*Id) );fscanf( fp, %s, stemp); while( strcmp( stemp,pointnum ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %d, &(ObjectListi.surflistj.pointn) );fscanf( fp, %s, stemp); while( strcmp( stem

51、p,triangle ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %d, &(ObjectListi.surflistj.triangle) );fscanf( fp, %s, stemp); while( strcmp( stemp,quadrangle ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %d, &(ObjectListi.surflistj.quadric) );/* Read point list */ObjectListi.surflistj.pointlist = (POINT3D*)malloc(

52、sizeof(POINT3D) * ObjectListi.surflistj.pointn);plist = ObjectListi.surflistj.pointlist;for( l = 0; l ObjectListi.surflistj.pointn ; l + )fscanf( fp, %f%f%f%f%f%f%f%f, &(plistl.r), &(plistl.g), &(plistl.b), &(plistl.u), &(plistl.v),&(plistl.*), &(plistl.y), &(plistl.z) );/* Read patchlist */nAllVert

53、e*Num = ObjectListi.surflistj.triangle * 3 + ObjectListi.surflistj.quadric *4 ;ObjectListi.surflistj.patchlist = (INT4U *)malloc( sizeof(INT4U) * nAllVerte*Num);pchlist = ObjectListi.surflistj.patchlist;for( l = 0; l nAllVerte*Num; l + )fscanf( fp, %ld, &(pchlistl) ); fclose(fp); void CRenderView:In

54、itLookAt() FILE*fp; strcpy(sLookAtFN,room.lk); fp = fopen(sLookAtFN, rb); if (fp = NULL) e* = ey = ez =1.0f;c* = cy = cz =0.0f;Near = 0.1f;angle = 30.0f; elsefscanf(fp, %f%f%f%f%f%f%f%f, &angle, &Near, &e*, &ey, &ez, &c*, &cy, &cz); fclose(fp);voidCRenderView:InitRenderWin() glShadeModel ( GL_SMOOTH

55、 ); glDepthFunc ( GL_LESS ); glEnable ( GL_DEPTH_TEST ); glMatri*Mode ( GL_PROJECTION ); glLoadIdentity(); glMatri*Mode ( GL_MODELVIEW ); glLoadIdentity(); gluPerspective ( angle, (float)WinWidth/(float)WinHeigth, Near, 1000000000.0); gluLookAt( e*, ey, ez, c*, cy, cz, 0.0, 1.0, 0.0); voidCRenderVie

56、w:Render(void) int i, j, k, l, m, Te*Inde*; POINT3D *plist; INT4U *pchlist; glClear (GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_ACCUM_BUFFER_BIT);for(i = 0; i ObjectNum; i + )for(j = 0; j 0 )InitTe*( Te*Inde* );plist = ObjectListi.surflistj.pointlist;pchlist = ObjectListi.surflistj.patchlist;l = 0;f

57、or ( k = 0; k ObjectListi.surflistj.triangle; k +)glBegin( GL_TRIANGLES );for( m = 0; m 3; m + ) glColor3f ( plistpchlistl.r, plistpchlistl.g, plistpchlistl.b ); glTe*Coord2f( plistpchlistl.u, plistpchlistl.v );glVerte*3f( plistpchlistl.*,plistpchlistl.y,plistpchlistl.z ); l +;/* m */glEnd();/* k */

58、for ( k = 0; k ObjectListi.surflistj.quadric; k +)glBegin( GL_QUADS );for( m = 0; m 4; m + ) glColor3f ( plistpchlistl.r,plistpchlistl.g, plistpchlistl.b );glTe*Coord2f( plistpchlistl.u,plistpchlistl.v ); glVerte*3f( plistpchlistl.*, plistpchlistl.y, plistpchlistl.z ); l +;/* m */glEnd();/* k */glFl

59、ush();CloseTe*();void CRenderView:freelist()int i, j;for( i=0; iObjectNum; i+)for( j=0; jObjectListi.SurfNum; j+)free(ObjectListi.surflistj.pointlist);free(ObjectListi.surflistj.patchlist);free( ObjectListi.surflist ); free(ObjectList);for(i=1; ifname);/* load a image */ fp = fopen(ImageName,rb); if

60、(!fp) return 0; fseek(fp,18L,0); rc=fread(&width,sizeof(long),1,fp); rc=fread(&height,sizeof(long),1,fp);*rsl*=src*=width; *rsly=srcy=height;fseek(fp,54L,0); image = (unsigned char *)malloc(width*height*3); rc=fread(image,width*height*3,1,fp); fclose(fp);SImageData = (unsigned char *)malloc(src*srcy