研究生计算机图形学课程室内场景OpenGL--实验报告.doc

高级计算机图形学实验报告姓 名： 学号： 班级： 【实验报告要求】实验名称：高级计算机图形学室内场景实验目的：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：背面效果图图4：背面效果图图4：室内场景细节效果图图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、DlgAbout.cpp#include StdAfx.h#include DlgAbout.hCAboutDlg:CAboutDlg() : CDialog(CAboutDlg:IDD)void CAboutDlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)END_MESSAGE_MAP()2、FormCommandView.cpp#include stdafx.h#include Tool.h#include MainFrm.h#include FormCommandView.h#include ToolDoc.h#include RenderView.h/ Download by #ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CFormCommandViewIMPLEMENT_DYNCREATE(CFormCommandView, CFormView)CFormCommandView:CFormCommandView(): CFormView(CFormCommandView:IDD)/AFX_DATA_INIT(CFormCommandView)m_Smooth = FALSE;m_Antialias = FALSE;/AFX_DATA_INITCFormCommandView:CFormCommandView()void CFormCommandView:DoDataExchange(CDataExchange* pDX)CFormView:DoDataExchange(pDX);/AFX_DATA_MAP(CFormCommandView)DDX_Control(pDX, IDC_FRAME_COLOR_BACK, m_ControlBackColor);DDX_Check(pDX, IDC_CHECK_SMOOTH, m_Smooth);DDX_Check(pDX, IDC_CHECK_ANTIALIAS, m_Antialias);/AFX_DATA_MAPBEGIN_MESSAGE_MAP(CFormCommandView, CFormView)/AFX_MSG_MAP(CFormCommandView)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_BN_CLICKED(IDC_CHECK_ANTIALIAS, OnCheckAntialias)/AFX_MSG_MAPEND_MESSAGE_MAP()/ CFormCommandView diagnostics#ifdef _DEBUGvoid CFormCommandView:AssertValid() constCFormView:AssertValid();void CFormCommandView:Dump(CDumpContext& dc) constCFormView:Dump(dc);CToolDoc* CFormCommandView:GetDocument() / non-debug version is inlineASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CToolDoc);return (CToolDoc*)m_pDocument;#endif /_DEBUG/ OnPaintvoid CFormCommandView:OnPaint() / Device context for paintingCPaintDC dc(this); / Options are stored in ApplicationCToolApp *pApp = (CToolApp *)AfxGetApp();CRect rect;/ Color backm_ControlBackColor.GetWindowRect(&rect);ScreenToClient(&rect);CBrush BrushBack(pApp-m_OptionColorGlBack);dc.FillRect(&rect,&BrushBack);/ OnLButtonUpvoid CFormCommandView:OnLButtonUp(UINT nFlags, CPoint point) CRect rect;CToolApp *pApp = (CToolApp *)AfxGetApp();/ Option back colorm_ControlBackColor.GetWindowRect(&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_ClearColorGreen = (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 *CFormCommandView:GetRenderView() CToolApp *pApp = (CToolApp *)AfxGetApp();CMainFrame *pFrame = (CMainFrame *)pApp-m_pMainWnd;CView *pView = (CView *)pFrame-m_wndSplitter.GetPane(0,1);return pView;/ Modelvoid CFormCommandView:OnRadioModel1() glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);this-GetRenderView()-InvalidateRect(NULL,FALSE); void CFormCommandView:OnRadioModel2() glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);this-GetRenderView()-InvalidateRect(NULL,FALSE); / OnCheckSmoothvoid CFormCommandView:OnCheckSmooth() m_Smooth = !m_Smooth;if(m_Smooth)glShadeModel(GL_SMOOTH);elseglShadeModel(GL_FLAT);this-GetRenderView()-InvalidateRect(NULL,FALSE); / OnCheckAntialias/ Toggle antialiased linesvoid CFormCommandView: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_SMOOTH);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 stdafx.h#include Tool.h/ Download by #include MainFrm.h#include FormCommandView.h#include RenderView.h#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE = _FILE_;#endif/ CMainFrameIMPLEMENT_DYNAMIC(CMainFrame, CFrameWnd)BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)/AFX_MSG_MAP(CMainFrame)ON_WM_CREATE()ON_WM_PAINT()/AFX_MSG_MAPEND_MESSAGE_MAP()static UINT indicators =ID_SEPARATOR, / status 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_wndToolBar.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_wndToolBar.GetBarStyle() |CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);return 0;BOOL CMainFrame:PreCreateWindow(CREATESTRUCT& cs)cs.cx = 600; cs.cy = 500;return CFrameWnd:PreCreateWindow(cs);/ CMainFrame diagnostics#ifdef _DEBUGvoid CMainFrame:AssertValid() constCFrameWnd:AssertValid();void CMainFrame:Dump(CDumpContext& dc) constCFrameWnd:Dump(dc);#endif /_DEBUG/ CMainFrame message handlersvoid CMainFrame:OnPaint() CPaintDC dc(this); / device context for paintingBOOL CMainFrame:OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) if (!m_wndSplitter.CreateStatic(this, 1, 2,WS_CHILD | WS_VISIBLE)TRACE(Failed to CreateStaticSplittern);return FALSE;/ First splitter paneif (!m_wndSplitter.CreateView(0, 0,RUNTIME_CLASS(CRenderView), CSize(600,500), pContext)TRACE(Failed to create command view panen);return FALSE;if (!m_wndSplitter.CreateView(0, 1,RUNTIME_CLASS(CFormCommandView), CSize(0,0), pContext)TRACE(Failed to create command view panen);return FALSE;/ Second splitter panereturn TRUE;4、RenderView.cpp#include stdafx.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_;#endifextern voidRender(void);/ This is the holding space for the landscape WinWidth, WinHeigth;unsigned short int comp = 32; / Scale modifier.unsigned short int temp, texture_mapping = FALSE, land_fogging = TRUE, flat_shading = TRUE;floatangle, Near, ex, ey, ez, cx, cy, cz;/ Initial eye position and vector 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 oldmx = 0, oldmy = 0, mb;/ CRenderViewIMPLEMENT_DYNCREATE(CRenderView, CView)BEGIN_MESSAGE_MAP(CRenderView, CView)/AFX_MSG_MAP(CRenderView)ON_WM_DESTROY()ON_WM_SIZE()ON_WM_LBUTTONDOWN()ON_WM_LBUTTONUP()ON_WM_MOUSEMOVE()ON_WM_PAINT()ON_WM_CREATE()/AFX_MSG_MAP/ Standard printing commandsON_COMMAND(ID_FILE_PRINT, CView:OnFilePrint)ON_COMMAND(ID_FILE_PRINT_DIRECT, CView:OnFilePrint)ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView:OnFilePrintPreview)END_MESSAGE_MAP()/ CRenderView construction/destructionCRenderView:CRenderView() / OpenGL m_hGLContext = NULL; m_GLPixelIndex = 0; / Mouse m_LeftButtonDown = FALSE; m_RightButtonDown = FALSE; m_CursorRotation = AfxGetApp()-LoadCursor(IDC_CURSOR_ROTATION); / Colors CToolApp *pApp = (CToolApp *)AfxGetApp(); m_ClearColorRed = GetRValue(pApp-m_OptionColorGlBack); m_ClearColorGreen = GetGValue(pApp-m_OptionColorGlBack); m_ClearColorBlue = GetBValue(pApp-m_OptionColorGlBack); ReadData(); WinWidth=1000; WinHeigth=800; LoadAllTexture(); InitLookAt();/=/ InitGeometry/=void CRenderView:InitGeometry(void) GLfloat fogColor4 = 0.75, 0.75, 1.0, 1.0; speed = 0; srand(224); srand(unsigned)time(NULL); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glEnable(GL_DEPTH_TEST); glShadeModel(GL_FLAT); glFogi(GL_FOG_MODE, GL_LINEAR); glFogfv(GL_FOG_COLOR, fogColor); 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()FreeAllTexture();freelist();BOOL CRenderView:PreCreateWindow(CREATESTRUCT& cs) return CView:PreCreateWindow(cs);/ CRenderView drawingvoid CRenderView: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:AssertValid() const CView:AssertValid();void CRenderView:Dump(CDumpContext& 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/ Create OpenGL rendering context int CRenderView:OnCreate(LPCREATESTRUCT lpCreateStruct) if (CView:OnCreate(lpCreateStruct) = -1) return -1; HWND hWnd = GetSafeHwnd(); HDC hDC = :GetDC(hWnd); if(SetWindowPixelFormat(hDC)=FALSE) return 0; if(CreateViewGLContext(hDC)=FALSE) return 0; / Default mode glPolygonMode(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_TEXTURE_2D); glDisable(GL_LIGHTING); return 0;BOOL CRenderView:SetWindowPixelFormat(HDC hDC) PIXELFORMATDESCRIPTOR pixelDesc; pixelDesc.nSize = sizeof(PIXELFORMATDESCRIPTOR); pixelDesc.nVersion = 1; pixelDesc.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_STEREO_DONTCARE; pixelDesc.iPixelType = PFD_TYPE_RGBA; pixelDesc.cColorBits = 32; pixelDesc.cRedBits = 8; pixelDesc.cRedShift = 16; pixelDesc.cGreenBits = 8; pixelDesc.cGreenShift = 8; pixelDesc.cBlueBits = 8; pixelDesc.cBlueShift = 0; pixelDesc.cAlphaBits = 0; pixelDesc.cAlphaShift = 0; pixelDesc.cAccumBits = 64; pixelDesc.cAccumRedBits = 16; pixelDesc.cAccumGreenBits = 16; pixelDesc.cAccumBlueBits = 16; pixelDesc.cAccumAlphaBits = 0; pixelDesc.cDepthBits = 32; pixelDesc.cStencilBits = 8; pixelDesc.cAuxBuffers = 0; pixelDesc.iLayerType = PFD_MAIN_PLANE; pixelDesc.bReserved = 0; pixelDesc.dwLayerMask = 0; pixelDesc.dwVisibleMask = 0; pixelDesc.dwDamageMask = 0; m_GLPixelIndex = ChoosePixelFormat(hDC,&pixelDesc); if(m_GLPixelIndex = 0) / Choose default m_GLPixelIndex = 1; if(DescribePixelFormat(hDC,m_GLPixelIndex, sizeof(PIXELFORMATDESCRIPTOR),&pixelDesc)=0) return FALSE; if(!SetPixelFormat(hDC,m_GLPixelIndex,&pixelDesc) return FALSE; return TRUE;/ Create an OpenGL rendering contextBOOL CRenderView:CreateViewGLContext(HDC hDC) m_hGLContext = wglCreateContext(hDC); if(m_hGLContext=NULL) return FALSE; if(wglMakeCurrent(hDC,m_hGLContext)=FALSE) return FALSE; return TRUE;/ Cleanup every OpenGL rendering contextvoid CRenderView:OnDestroy() if(wglGetCurrentContext() != NULL) wglMakeCurrent(NULL,NULL); if(m_hGLContext != NULL) wglDeleteContext(m_hGLContext); m_hGLContext = NULL; CView:OnDestroy();void CRenderView:OnSize(UINT nType, int cx, int cy) CView:OnSize(nType, cx, cy); / Set OpenGL perspective, viewport and mode CSize size(cx,cy); double aspect; aspect = (cy = 0) ? (double)size.cx : (double)size.cx/(double)size.cy; glViewport(0, 0, (GLsizei) cx, (GLsizei) cy); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(60.0, (GLfloat) cx/(GLfloat) cy, 1.0f, 500.0f); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt (ex, ey, ez, cx, cy, cz, 0.0f, 1.0f, 0.0f);void CRenderView:OnLButtonDown(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(nFlags) case(MK_LBUTTON): MoveEye(FORWARD,(GLfloat)(oldmy-point.y)/5.0f,1);break; case(MK_RBUTTON): MoveEye(TURNLEFT, (GLfloat)(oldmx-point.x), 1); break; oldmy = point.y; oldmx = point.x; Invalidate(FALSE); CView:OnMouseMove(nFlags, point);void CRenderView:OnPaint() / Device context for painting CPaintDC dc(this); / Useful in singledoc templates HWND hWnd = GetSafeHwnd(); HDC hDC = :GetDC(hWnd); wglMakeCurrent(hDC,m_hGLContext); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClearColor(m_ClearColorRed,m_ClearColorGreen,m_ClearColorBlue,1.0f); glPushMatrix(); glClear(GL_COLOR_BUFFER_BIT | 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(cx-ex)*(cx-ex)+(cz-ez)*(cz-ez);ex = (amount*(cx-ex)+a*ex) / a;ez = (amount*(cz-ez)+a*ez) / a;cx = (amount*(cx-ex)+a*cx) / a;cz = (amount*(cz-ez)+a*cz) / a; break; case TURNLEFT: cx = (cx-ex)*(float)cos(amount/360.0f) + (cz-ez)*(float)sin(amount/360.0f)+ex; cz = (cz-ez)*(float)cos(amount/360.0f) - (cx-ex)*(float)sin(amount/360.0f)+ez; break; case UP: ey += amount; break; case LOOKUP: cy += amount; break; if (update) glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(ex, ey, ez, cx, cy, cz, 0.0f,1.0f,0.0f); TEXTURE_2D *TextureList;OBJECT *ObjectList;/* ObjectList0:isolated surfaces*/INT4S ObjectNum; char gEnergyFile30;char sLookAtFN100;char ImageName30; void CRenderView:ReadData() int i,j,l; FILE *fp; char stemp100; POINT3D *plist; INT4U nAllVertexNum; INT4U *pchlist; strcpy(gEnergyFile,room.ed); fp = fopen( gEnergyFile, r ); if ( fp = NULL ) printf( n Can not open energy data file:%sn, gEnergyFile); exit(0); fseek( fp, 0, SEEK_SET); /* read texture list */ fscanf( fp, %s, stemp); while( strcmp( stemp,texnum ) != 0) fscanf( fp, %s, stemp); fscanf( fp, %d, &texnum ); TextureList = (TEXTURE_2D *)malloc( sizeof(TEXTURE_2D)*(texnum+1); for(i=1; ifname, stemp );if ( strcmp( stemp,REPEAT_TEXTURE ) = 0) TextureListi-type = 1;else if ( strcmp( stemp,CLAMP_TEXTURE ) = 0) TextureListi-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; i ObjectNum; i + ) fscanf( fp, %s, stemp); while( strcmp( stemp,SurfaceNum ) != 0) fscanf(fp,%s,stemp); fscanf( fp, %ld, &(Obj