用OpenGL绘制正弦曲线Word文档格式.docx

用OpenGL绘制正弦曲线Word文档格式.docx

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}

}

//生成的数据放在这里

typedefstructtagVector{

floatX,Y,Z;

}VECTOR,*PVECTOR;

VECTORvec[]={

{-18,-0.000220392,0},

{-17,2.60451,0},

{-17,5.13011,0},

{-16,7.49983,0},

{-16,9.64166,0},

{-15,11.4905,0},

{-15,12.9903,0},

{-14,14.0953,0},

{-14,14.7721,0},

{-13,15,0},

{-13,14.7721,0},

{-12,14.0954,0},

{-12,12.9905,0},

{-11,11.4908,0},

{-11,9.64192,0},

{-10,7.50011,0},

{-10,5.13042,0},

{-9,2.60484,0},

{-9,0.000110196,0},

{-8,-2.60462,0},

{-8,-5.13021,0},

{-7,-7.49992,0},

{-7,-9.64175,0},

{-6,-11.4906,0},

{-6,-12.9903,0},

{-5,-14.0954,0},

{-5,-14.7721,0},

{-4,-15,0},

{-4,-14.7721,0},

{-3,-14.0954,0},

{-3,-12.9904,0},

{-2,-11.4907,0},

{-2,-9.64183,0},

{-1,-7.50002,0},

{-1,-5.13031,0},

{0,-2.60473,0},

{0,0,0},

{0,2.60473,0},

{1,5.13031,0},

{1,7.50002,0},

{2,9.64183,0},

{2,11.4907,0},

{3,12.9904,0},

{3,14.0954,0},

{4,14.7721,0},

{4,15,0},

{5,14.7721,0},

{5,14.0954,0},

{6,12.9903,0},

{6,11.4906,0},

{7,9.64175,0},

{7,7.49992,0},

{8,5.13021,0},

{8,2.60462,0},

{9,-0.000110196,0},

{9,-2.60484,0},

{10,-5.13042,0},

{10,-7.50011,0},

{11,-9.64192,0},

{11,-11.4908,0},

{12,-12.9905,0},

{12,-14.0954,0},

{13,-14.7721,0},

{13,-15,0},

{14,-14.7721,0},

{14,-14.0953,0},

{15,-12.9903,0},

{15,-11.4905,0},

{16,-9.64166,0},

{16,-7.49983,0},

{17,-5.13011,0},

{17,-2.60451,0},

{18,0.000220392,0}

};

//在这里进行调用绘制

#include<

windows.h>

//HeaderFileForWindows

cstdio>

//HeaderFileForStandardInput/Output

cmath>

gl\gl.h>

//HeaderFileForTheOpenGL32Library

gl\glu.h>

//HeaderFileForTheGLu32Library

#include"

NeHeGL.h"

//HeaderFileForNeHeGL

Data.h"

//让数据单独在一个文件里

#pragmacomment（lib,"

opengl32.lib"

）//SearchForOpenGL32.libWhileLinking

glu32.lib"

）//SearchForGLu32.libWhileLinking

usingnamespacestd;

#ifndefCDS_FULLSCREEN//CDS_FULLSCREENIsNotDefinedBySome

#defineCDS_FULLSCREEN4//Compilers.ByDefiningItThisWay,

#endif//WeCanAvoidErrors

GL_Window*g_window;

Keys*g_keys;

floattimeElapsed=0;

//ElapsedTimeInThe

GLuintbase;

//BaseDisplayListForTheFontSet

GLYPHMETRICSFLOATgmf[256];

//StorageForInformationAboutOurOutlineFontCharacters

GLvoidBuildFont（GL_Window*window）//BuildOurBitmapFont

{

HFONTfont;

//WindowsFontID

base=glGenLists（256）;

//StorageFor256Characters

font=CreateFont（-12,//HeightOfFont

0,//WidthOfFont

0,//AngleOfEscapement

0,//OrientationAngle

FW_BOLD,//FontWeight

FALSE,//Italic

FALSE,//Underline

FALSE,//Strikeout

ANSI_CHARSET,//CharacterSetIdentifier

OUT_TT_PRECIS,//OutputPrecision

CLIP_DEFAULT_PRECIS,//ClippingPrecision

ANTIALIASED_QUALITY,//OutputQuality

FF_DONTCARE|DEFAULT_PITCH,//FamilyAndPitch

NULL）;

//FontName

HDChDC=window->

hDC;

SelectObject（hDC,font）;

//SelectsTheFontWeCreated

wglUseFontOutlines（hDC,//SelectTheCurrentDC

0,//StartingCharacter

255,//NumberOfDisplayListsToBuild

base,//StartingDisplayLists

0.0f,//DeviationFromTheTrueOutlines

0.0f,//FontThicknessInTheZDirection

WGL_FONT_POLYGONS,//UsePolygons,NotLines

gmf）;

//AddressOfBufferToRecieveData

GLvoidKillFont（GLvoid）//DeleteTheFont

glDeleteLists（base,256）;

//DeleteAll256Characters

GLvoidglPrint（floatx,floaty,floatz,constchar*fmt,...）//CustomGL"

Print"

Routine

floatlength=0;

//UsedToFindTheLengthOfTheText

chartext[256];

//HoldsOurString

va_listap;

//PointerToListOfArguments

if（fmt==NULL）//IfThere'

sNoText

return;

//DoNothing

va_start（ap,fmt）;

//ParsesTheStringForVariables

vsprintf（text,fmt,ap）;

//AndConvertsSymbolsToActualNumbers

va_end（ap）;

//ResultsAreStoredInText

for（unsignedintloop=0;

loop<

（strlen（text））;

loop++）//LoopToFindTextLength

{

length+=gmf[text[loop]].gmfCellIncX;

//IncreaseLengthByEachCharactersWidth

}

glTranslatef（x-length,y,z）;

//PositionTextO