基于openGl的三维旋转魔方源代码.docx
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基于openGl的三维旋转魔方源代码
/*******/基于openGl的三维旋转魔方源代码ThisCodeWasCreatedByJeffMolofee2000
AHUGEThanksToFredricEcholsForCleaningUp
AndOptimizingTheBaseCode,MakingItMoreFlexible!
IfYou'veFoundThisCodeUseful,PleaseLetMeKnow.
//HeaderFileForStandardInput/Output
#include"MoFang.h"
HDC
HGLRC
HWND
boolkeys[256];
boolactive=TRUE;
GLfloat
GLfloat
GLfloat
GLfloatRX;
GLfloatRY;
GLuint
GLbooleanb_RX,b_RY;
LRESULT
AUX_RGBImageRec*LoadBMP（char*Filename）{if（!
Filename）//MakeSureAFilenameWasGivenFILE*File=NULL;//FileHandle
//LoadsABitmapImage
CALLBACKWndProc（HWND,UINT,WPARAM,LPARAM）;//DeclarationForWndProc
texture[24];//StorageForOneTexture（NEW）
xrot;
yrot;
zrot;//XRotation（NEW）
//YRotation（NEW）
//ZRotation（NEW）
//ArrayUsedForTheKeyboardRoutine
//WindowActiveFlagSetToTRUEByDefault
hDC=NULL;
hRC=NULL;
hWnd=NULL;//PrivateGDIDeviceContext
//PermanentRenderingContext
//HoldsOurWindowHandle
HINSTANCEhInstance;//HoldsTheInstanceOfTheApplication
boolfullscreen=TRUE;//FullscreenFlagSetToFullscreenModeByDefault
}{}File=fopen（Filename,"r"）;
if（File）{}
returnNULL;//IfLoadFailedReturnNULLfclose（File）;//CloseTheHandle
//LoadTheBitmapAndReturnAPointerreturnauxDIBImageLoad（Filename）;//CheckToSeeIfTheFileExists
//DoesTheFileExist?
returnNULL;//IfNotReturnNULL
intLoadGLTextures（）{if（TextureImage[0]）{}
intStatus=FALSE;//LoadBitmapsAndConvertToTextures//StatusIndicator
//CreateStorageSpaceForTheTextureAUX_RGBImageRec*TextureImage[1];
memset（TextureImage,0,sizeof（void*）*1）;//SetThePointerToNULL
//LoadTheBitmap,CheckForErrors,IfBitmap'sNotFoundQuit
if（TextureImage[0]=LoadBMP（"Data/NeHe.bmp"））{Status=TRUE;//SetTheStatusToTRUEglGenTextures（1,&texture[0]）;//CreateTheTexture
//TypicalTextureGenerationUsingDataFromTheBitmap
glBindTexture（GL_TEXTURE_2D,texture[0]）;
glTexImage2D（GL_TEXTURE_2D,0,3,TextureImage[0]->sizeX,TextureImage[0]->sizeY,0,GL_RGB,glTexParameteri（GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR）;
glTexParameteri（GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR）;
GL_UNSIGNED_BYTE,TextureImage[0]->data）;
//IfTextureExists
//IfTextureImageExists//FreeTheTextureImageMemoryif（TextureImage[0]->data）{}free（TextureImage[0]->data）;}intLoadGLTextures（char*file,intindex）
ConvertToTextures{}intStatus=FALSE;
AUX_RGBImageRec*TextureImage[1];
memset（TextureImage,0,sizeof（void*）*1）;//SetThePointerToNULL
//LoadTheBitmap,CheckForErrors,IfBitmap'sNotFoundQuit
if（TextureImage[0]=LoadBMP（file））{}
if（TextureImage[0]）{}
returnStatus;//ReturnTheStatus
if（TextureImage[0]->data）{}
free（TextureImage[0]）;//FreeTheImageStructurefree（TextureImage[0]->data）;//FreeTheTextureImageMemory//IfTextureImageExists//IfTextureExists
Status=TRUE;
glGenTextures（1,&texture[index]）;
//TypicalTextureGenerationUsingDataFromTheBitmap
glBindTexture（GL_TEXTURE_2D,texture[index]）;
glTexImage2D（GL_TEXTURE_2D,0,3,TextureImage[0]->sizeX,TextureImage[0]->sizeY,0,GL_RGB,glTexParameteri（GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR）;
glTexParameteri（GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR）;//CreateTheTexture
//SetTheStatusToTRUE//CreateStorageSpaceForTheTexture//StatusIndicator//LoadBitmapsAndreturnStatus;//ReturnTheStatus
}free（TextureImage[0]）;//FreeTheImageStructureGL_UNSIGNED_BYTE,TextureImage[0]->data）;
GLvoidReSizeGLScene（GLsizeiwidth,GLsizeiheight）{}
intInitGL（GLvoid）{if（!
LoadGLTextures（"Data/y
3."bmp",2））{}
if（!
LoadGLTextures（"Data/y
4."bmp",3））{}
if（!
LoadGLTextures（"Data/y
5."bmp",4））returnFALSE;
returnFALSE;
if（!
LoadGLTextures（"Data/y
2."bmp",1））{}returnFALSE;
if（!
LoadGLTextures（"Data/y
1."bmp",0））{}returnFALSE;
glMatrixMode（GL_MODELVIEW）;
glLoadIdentity（）;
//CalculateTheAspectRatioOfTheWindow
glMatrixMode（GL_PROJECTION）;
glLoadIdentity（）;
glViewport（0,0,width,height）;
if（height==0）{}height=1;//ResizeAndInitializeTheGLWindow
//PreventADivideByZeroBy//MakingHeightEqualOne//ResetTheCurrentViewport//SelectTheProjectionMatrix//ResetTheProjectionMatrixgluPerspective（
45."0f,（GLfloat）width/（GLfloat）height,
0."1f,
100."0f）;
//SelectTheModelviewMatrix//ResetTheModelviewMatrix
//AllSetupForOpenGLGoesHere
//JumpToTextureLoadingRoutine（NEW）
//IfTextureDidn'tLoadReturnFALSE
//JumpToTextureLoadingRoutine（NEW）
//IfTextureDidn'tLoadReturnFALSE
//JumpToTextureLoadingRoutine（NEW）
//IfTextureDidn'tLoadReturnFALSE
//JumpToTextureLoadingRoutine（NEW）
//IfTextureDidn'tLoadReturnFALSE
//JumpToTextureLoadingRoutine（NEW）}voidDrawObject1（GLfloatX,GLfloatY,GLfloatZ）{glBegin（GL_QUADS）;
//FrontFace
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（
1."0f+X,
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,
1."0f+Z）;
//BackFace
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（
1."0f+X,
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,-
1."0f+Z）;{}
if（!
LoadGLTextures（"Data/y
6."bmp",5））{}
if（!
LoadGLTextures（"Data/y
7."bmp",6））{}
if（!
LoadGLTextures（"Data/y
8."bmp",7））{}
glEnable（GL_TEXTURE_2D）;
glShadeModel（GL_SMOOTH）;
glClearDepth（
1."0f）;//EnableTextureMapping（NEW）
//EnableSmoothShading//DepthBufferSetup
//TheTypeOfDepthTestingToDo//InitializationWentOKreturnFALSE;//IfTextureDidn'tLoadReturnFALSE//JumpToTextureLoadingreturnFALSE;//IfTextureDidn'tLoadReturnFALSE//JumpToTextureLoadingreturnFALSE;//IfTextureDidn'tLoadReturnFALSE//JumpToTextureLoadingreturnFALSE;//IfTextureDidn'tLoadReturnFALSERoutine（NEW）
Routine（NEW）
Routine（NEW）
glClearColor（
0."0f,
0."0f,
0."0f,
0."5f）;
glEnable（GL_DEPTH_TEST）;
glDepthFunc（GL_LEQUAL）;
returnTRUE;//BlackBackground
//EnablesDepthTesting
glHint（GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST）;//ReallyNicePerspectiveCalculations}//TopFace
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（
1."0f+X,
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（
1."0f+X,
1."0f+Y,-
1."0f+Z）;
//BottomFace
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,
1."0f+Z）;
//Rightface
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（
1."0f+X,
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（
1."0f+X,
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（
1."0f+X,-
1."0f+Y,
1."0f+Z）;
//LeftFace
glTexCoord2f（
0."0f,
0."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,-
1."0f+Z）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3f（-
1."0f+X,-
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,
1."0f+Z）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3f（-
1."0f+X,
1."0f+Y,-
1."0f+Z）;
glEnd（）;
voidDrawObject（intID）{glBegin（GL_QUADS）;
//FrontFace
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[0].p）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[1].p）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[2].p）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[3].p）;
//BackFace
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[4].p）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[5].p）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[6].p）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[7].p）;
//TopFace
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[5].p）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[3].p）;
stPoint*CubePoint=Cube[ID].CubePoint;
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[2].p）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[6].p）;
//BottomFace
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[4].p）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[7].p）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[1].p）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[0].p）;
//Rightface
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[7].p）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[6].p）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[2].p）;
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[1].p）;
//LeftFace
glTexCoord2f（
0."0f,
0."0f）;glVertex3fv（CubePoint[4].p）;
glTexCoord2f（
1."0f,
0."0f）;glVertex3fv（CubePoint[0].p）;
glTexCoord2f（
1."0f,
1."0f）;glVertex3fv（CubePoint[3].p）;
glTexCoord2f（
0."0f,
1."0f）;glVertex3fv（CubePoint[5].p）;
glEnd（）;}intDrawGLScene（GLvoid）
Drawing{glClear（GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT）;
glLoadIdentity（）;
glTranslatef（
0."0f,
0."0f,-
12."0f）;
glTranslatef（RX,
0."0f,
0."0f）;
glTranslatef（
0."0,RY,
0."0）;
glRotatef（xrot,
1."0f,
0."0f,
0."0f）;
glRotatef（yrot,
0."0f,
1."0f,
0."0f）;
glRotatef（zrot,
0."0f,
0."0f
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