旋转式正方体和正周围体

本文格式为Word版，下载可任意编辑——旋转式正方体和正周围体

一、设计目的

设计一个程序使得运行后生成一个旋转的正方体和一个可旋转的正周边体，旋转过程中伴随着颜色的变化。

二、算法描述

运用多个glVertex3f函数赋予颜色，以及运用多个选择语句，实现消息转变。根据题目要求，分别选择正方体和正周边体，分别作左上右下旋转和水平逆时针（从上方看）旋转。正方体的六个面采用不同的颜色，正周边体的三个可见面则采用多色分布镶嵌。程序要运用多个函数有：

GLvoidReSizeGLScene(GLsizeiwidth,GLsizeiheight)（调整和初始化GL窗口）；intInitGL(GLvoid)（初始化）；

intDrawGLScene(GLvoid)（GL场景绘制）；

GLvoidKillGLWindow(GLvoid)（选择正确方式选择窗口或关闭窗口）；AdjustWindowRectEx(WindowRect,dwStyle,FALSE,dwExStyle);（调整窗口大小来创立适合的窗口）；intWINAPIWinMain(HINSTANCEhInstance,HINSTANCEhPrevInstance,LPSTRlpCmdLine,intnCmdShow)（主函数）

三、程序代码

#includewindows.h#includegl\gl.h

#includegl\glu.h#includegl\glaux.h

HDC

//需要用到的各个头文件

hDC=NULL;

HGLRCHWND

hRC=NULL;hWnd=NULL;

HINSTANCEhInstance;boolkeys[256];boolactive=TRUE;

GLfloatrtri;GLfloatrquad;

boolfullscreen=TRUE;

LRESULTCALLBACKWndProc(HWND,UINT,WPARAM,LPARAM);

//调整和初始化GL窗口

GLvoidReSizeGLScene(GLsizeiwidth,GLsizeiheight){

if(height==0){

height=1;

}

glViewport(0,0,width,height);

glMatrixMode(GL_PROJECTION);

glLoadIdentity();

gluPerspective(45.0f,(GLfloat)width/(GLfloat)height,0.1f,100.0f);glMatrixMode(GL_MODELVIEW);glLoadIdentity();

}

intInitGL(GLvoid){}

//初始化

glShadeModel(GL_SMOOTH);glClearColor(0.0f,0.0f,0.0f,0.5f);glClearDepth(1.0f);

glEnable(GL_DEPTH_TEST);glDepthFunc(GL_LEQUAL);

glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);returnTRUE;

intDrawGLScene(GLvoid){

//GL场景绘制

glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);glLoadIdentity();glTranslatef(-1.5f,0.0f,-6.0f);glRotatef(rtri,0.0f,1.0f,0.0f);glBegin(GL_TRIANGLES);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);glColor3f(1.0f,0.0f,0.0f);glVertex3f(0.0f,1.0f,0.0f);glColor3f(0.0f,0.0f,1.0f);

glColor3f(0.0f,1.0f,0.0f);glVertex3f(1.0f,-1.0f,-1.0f);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);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();glLoadIdentity();glTranslatef(1.5f,0.0f,-7.0f);glRotatef(rquad,1.0f,1.0f,1.0f);glBegin(GL_QUADS);

glColor3f(0.0f,1.0f,0.0f);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);glColor3f(1.0f,0.5f,0.0f);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);glColor3f(1.0f,0.0f,0.0f);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);glColor3f(1.0f,1.0f,0.0f);

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);glColor3f(0.0f,0.0f,1.0f);glVertex3f(-1.0f,1.0f,1.0f);glVertex3f(-1.0f,1.0f,-1.0f);

glVertex3f(-1.0f,-1.0f,1.0f);glColor3f(1.0f,0.0f,1.0f);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();rtri+=0.2f;

rquad-=0.15f;returnTRUE;

}

GLvoidKillGLWindow(GLvoid){

//选择正确方式选择窗口或关闭窗口

if(fullscreen){ChangeDisplaySettings(NULL,0);}

ShowCursor(TRUE);

if(hRC){if(!wglMakeCurrent(NULL,NULL))

{

MessageBox(NULL,Release

Of

DC

And

RC

Failed.,SHUTDOWN

ERROR,MB_OK|MB_ICONINFORMATION);}

if(!wglDeleteContext(hRC)){

Context

Failed.,SHUTDOWN

MessageBox(NULL,ReleaseRenderingERROR,MB_OK|MB_ICONINFORMATION);

}

if(hDC!ReleaseDC(hWnd,hDC)){

MessageBox(NULL,Release

Device

}

hRC=NULL;

Context

Failed.,SHUTDOWN

ERROR,MB_OK|MB_ICONINFORMATION);hDC=NULL;}

if(hWnd!DestroyWindow(hWnd)){MessageBox(NULL,CouldNotReleasehWnd.,SHUTDOWNERROR,MB_OK|MB_ICONINFORMATION);

}

if(!UnregisterClass(OpenGL,hInstance)){

hWnd=NULL;

MessageBox(NULL,CouldNotUnregisterClass.,SHUTDOWNERROR,MB_OK|MB_ICONINFORMATION);}

BOOLCreateGLWindow(char*title,intwidth,intheight,intbits,boolfullscreenflag)//创立绘图窗口{

GLuint

PixelFormat;

WNDCLASSwc;}

hInstance=NULL;

DWORDdwExStyle;DWORDdwStyle;RECTWindowRect;WindowRect.left=(long)0;

WindowRect.right=(long)width;WindowRect.top=(long)0;WindowRect.bottom=(long)height;fullscreen=fullscreenflag;hInstance

=GetModuleHandle(NULL);

wc.style=CS_HREDRAW|CS_VREDRAW|CS_OWNDC;wc.lpfnWndProc=(WNDPROC)WndProc;wc.cbClsExtrawc.cbWndExtrawc.hInstancewc.hIconwc.hCursor

=0;=0;

=hInstance;

=LoadIcon(NULL,IDI_WINLOGO);=LoadCursor(NULL,IDC_ARROW);

=NULL;

wc.hbrBackground=NULL;wc.lpszMenuName

wc.lpszClassName=OpenGL;if(!RegisterClass(wc))

The

Window

MessageBox(NULL,FailedToRegisterClass.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;}

if(fullscreen){

DEVMODEdmScreenSettings;

memset(dmScreenSettings,0,sizeof(dmScreenSettings));dmScreenSettings.dmSize=sizeof(dmScreenSettings);dmScreenSettings.dmPelsWidth=width;dmScreenSettings.dmPelsHeight=height;dmScreenSettings.dmBitsPerPel=bits;

dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;

if

(ChangeDisplaySettings(dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL)

{

if(MessageBox(NULL,TheRequestedFullscreenModeIsNotSupportedBy\nYourVideoCard.UseWindowedModeInstead?,NeHeGL,MB_YESNO|MB_ICONEXCLAMATION)==IDYES){

}

fullscreen=FALSE;

else{

Will

Now

MessageBox(NULL,Program

Close.,ERROR,MB_OK|MB_ICONSTOP);

if(fullscreen){

}

}

}

returnFALSE;

dwExStyle=WS_EX_APPWINDOW;dwStyle=WS_POPUP;

ShowCursor(FALSE);}else

dwExStyle=WS_EX_APPWINDOW|WS_EX_WINDOWEDGE;dwStyle=WS_OVERLAPPEDWINDOW;

}AdjustWindowRectEx(WindowRect,dwStyle,FALSE,dwExStyle);//调整窗口大小来创立适合的窗口if(!(hWnd=CreateWindowEx(dwExStyle,OpenGL,

title,

dwStyle|WS_CLIPSIBLINGS|WS_CLIPCHILDREN,

0,0,

WindowRect.right-WindowRect.left,WindowRect.bottom-WindowRect.top,NULL,NULL,hInstance,

NULL)))

{

KillGLWindow();MessageBox(NULL,Window

Error.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;}staticPIXELFORMATDESCRIPTORpfd=

{sizeof(PIXELFORMATDESCRIPTOR),1,PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER,PFD_TYPE_RGBA,

bits,0,0,0,0,0,0,0,0,0,0,0,0,0,

16,

0,0,

PFD_MAIN_PLANE,

Creation

0,0,0,0};

if(!(hDC=GetDC(hWnd))){KillGLWindow();

MessageBox(NULL,Can't

Create

A

Context.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;}

if(!(PixelFormat=ChoosePixelFormat(hDC,pfd))){

KillGLWindow();

MessageBox(NULL,Can'tFindPixelFormat.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;

}

if(!SetPixelFormat(hDC,PixelFormat,pfd))

{

KillGLWindow();

MessageBox(NULL,Can'tSetPixelFormat.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;}if(!(hRC=wglCreateContext(hDC)))

{

KillGLWindow();MessageBox(NULL,Can'tCreateAContext.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;

}

if(!wglMakeCurrent(hDC,hRC))

{KillGLWindow();

MessageBox(NULL,Can'tActivate

The

Context.,ERROR,MB_OK|MB_ICONEXCLAMATION);

returnFALSE;

}

ShowWindow(hWnd,SW_SHOW);SetForegroundWindow(hWnd);

SetFocus(hWnd);

ReSizeGLScene(width,height);

if(!InitGL())

GL

Device

A

Suitable

The

GLRendering

GLRendering

{

KillGLWindow();MessageBox(NULL,Initialization

Failed.,ERROR,MB_OK|MB_ICONEXCLAMATION);returnFALSE;}

LRESULTCALLBACKWndProc({

HWNDhWnd,

}

returnTRUE;

UINTuMsg,WPARAMwParam,LPARAM

lParam)

switch(uMsg){caseWM_ACTIVATE:

{}

//监视窗口激活消息

if((LOWORD(wParam)!=WA_INACTIVE)!((BOOL)HIWORD(wParam)))

active=TRUE;

elseactive=FALSE;return0;

caseWM_SYSCOMMAND:{

switch(wParam){caseSC_SCREENSAVE:

caseSC_MONITORPOWER:return0;

}

break;

}

caseWM_CLOSE:{}

PostQuitMessage(0);return0;

caseWM_KEYDOWN:{

keys[wParam]=TRUE;return0;

}

}

caseWM_KEYUP:{keys[wParam]=FALSE;return0;}

caseWM_SIZE:{}

ReSizeGLScene(LOWORD(lParam),HIWORD(lParam));return0;

returnDefWindowProc(hWnd,uMsg,wParam,lParam);

intWINAPIWinMain(HINSTANCEhInstance,{

LPSTRint

HINSTANCEhPrevInstance,

lpCmdLine,nCmdShow)

MSGBOOLmsg;