Белый и Пушистый
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Регистрация: 2.4.2003
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Всего: 16
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| Код | //---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
#include <stdio.h>
#include <windows.h>
#include <gl\gl.h>
#include <gl\glu.h>
#include <gl\glaux.h>
#include <math.h>
#include <stdarg.h>
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
Tf *f;
HGLRC hGLRC;
HDC hDC;
//---------------------------------------------------------------------------
GLint base;
GLYPHMETRICSFLOAT gmf[256];
GLvoid BuildFont(GLvoid);
//INITGL************************************************************************
__fastcall Tf::Tf(TComponent* Owner)
: TForm(Owner)
{
hDC = GetDC(Handle);
int PixelFormat;
PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
24,
0,0,0,0,0,0,
0,0,
0,0,0,0,0,
32,
0,
0,
PFD_MAIN_PLANE,
0,
0,0,
};
PixelFormat = ChoosePixelFormat (hDC, &pfd);
if (SetPixelFormat (hDC, PixelFormat, &pfd) == FALSE) Application->Terminate ();
hGLRC = wglCreateContext(hDC);
if(hGLRC == NULL) Application->Terminate ();
if(wglMakeCurrent(hDC, hGLRC) == false) Application->Terminate ();
GLfloat _mainlight[] = {0.3, 0.3, 0.3, 1.0};
GLfloat _lposition[] = {0.0, 0.0, 8.0, 1.0};
GLfloat _lambient[] = {0.5, 0.5, 0.5, 1.0};
GLfloat _ldiffuse[] = {1.0, 1.0, 1.0, 1.0};
GLfloat _lspecular[] = {1.0, 1.0, 1.0, 1.0};
glEnable (GL_ALPHA_TEST);
glEnable (GL_DEPTH_TEST);
glEnable (GL_NORMALIZE);
glEnable (GL_COLOR_MATERIAL);
glColorMaterial (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glEnable (GL_LIGHTING);
glEnable (GL_LIGHT0);
glLightModelfv (GL_LIGHT_MODEL_AMBIENT, _mainlight);
glLightfv (GL_LIGHT0, GL_POSITION, _lposition);
glLightfv (GL_LIGHT0, GL_AMBIENT, _lambient);
glLightfv (GL_LIGHT0, GL_DIFFUSE, _ldiffuse);
glLightfv (GL_LIGHT0, GL_SPECULAR, _lspecular);
//glViewport (0, 0, 800, 600);
glClearColor (0.0, 0.0, 0.0, 1.0);
BuildFont();
GLuint filter;
GLuint fogMode[]= { GL_EXP, GL_EXP2, GL_LINEAR };
GLuint fogfilter= 2;
GLfloat fogColor[4]= {0.0f, 0.0f, 0.0f, 1.0f};
glEnable(GL_FOG);
glFogi(GL_FOG_MODE, fogMode[fogfilter]);
glFogfv(GL_FOG_COLOR, fogColor);
glFogf(GL_FOG_DENSITY, 0.55f);
glHint(GL_FOG_HINT, GL_DONT_CARE);
glFogf(GL_FOG_START, 1);
glFogf(GL_FOG_END, 10);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gluPerspective (90, GLdouble(4.0/3.0), 1.0, 30.0);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
x=y=z=0;
}
//---------------------------------------------------------------------------
float GradToRadians(float grad)
{
return grad*0.017453292519943295769;
}
GLvoid BuildFont(GLvoid)
{
HFONT font;
font = CreateFont(-12, // âûñîòà øðèôòà
0, // øèðèíà çíàêîìåñòà
0, //Óãîë ïåðåõîäà
0, //Óãîë íàïðàâëåíèÿ
FW_BOLD, //Øèðèíà øðèôòà
FALSE, // Êóðñèâ
FALSE, // Ïîä÷åðêèâàíèå
FALSE, // Ïåðå÷åðêèâàíèå
ANSI_CHARSET, //Èäåíòèôèêàòîð êîäèðîâêè
OUT_TT_PRECIS, // Òî÷íîñòü âûâîäà
CLIP_DEFAULT_PRECIS, //Òî÷íîñòü îòñå÷åíèÿ
ANTIALIASED_QUALITY,// Êà÷åñòâî âûâîäà
FF_DONTCARE|DEFAULT_PITCH, // Ñåìåéñòâî è Øàã
"Courier"); // Èìÿ øðèôòà
SelectObject(hDC, font); //Âûáðàòü øðèôò, ñîçäàííûé íàìè
wglUseFontOutlines( hDC, // Âûáðàòü òåêóùèé êîíòåêñò óñòðîéñòâà (DC)
0, // Ñòàðòîâûé ñèìâîë
255, // Êîëè÷åñòâî ñîçäàâàåìûõ ñïèñêîâ îòîáðàæåíèÿ
base, // Ñòàðòîâîå çíà÷åíèå ñïèñêà îòîáðàæåíèÿ
0.0f, //Îòêëîíåíèå îò íàñòîÿùåãî êîíòóðà
0.2f, //Òîëùèíà øðèôòà ïî îñè Z
WGL_FONT_POLYGONS, //Èñïîëüçîâàòü ïîëèãîíû, à íå ëèíèè
gmf ); //áóôåð àäðåñà äëÿ äàííûõ ñïèñêà îòîáðàæåíèÿ
}
GLvoid KillFont(GLvoid){glDeleteLists(base, 256);}
GLvoid glPrint(const char *fmt, ...)
{
char text[256];
va_list ap;
if (fmt == NULL)return;
va_start(ap, fmt);
vsprintf(text, fmt, ap);
va_end(ap);
glPushAttrib(GL_LIST_BIT);
glListBase(base);
glCallLists(strlen(text), GL_UNSIGNED_BYTE, text);
glPopAttrib();
}
void __fastcall Tf::FormResize(TObject *Sender)
{
glViewport (0, 0, Width, Height);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gluPerspective (90, GLdouble(Width/Height), 1.0, 100.0);
glMatrixMode (GL_MODELVIEW);
}
//---------------------------------------------------------------------------
void __fastcall Tf::FormDestroy(TObject *Sender)
{
if (hGLRC)
{
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hGLRC);
hGLRC = NULL;
}
if (hDC)
{
ReleaseDC(Handle, hDC);
hDC = NULL;
}
KillFont();
}
//---------------------------------------------------------------------------
void __fastcall Tf::TimerMainDrawTimer(TObject *Sender)
{
if(keys[37])ygol-=2;
if(keys[39])ygol+=2;
if(keys[38]){
z+=sin(GradToRadians(ygol))*0.02;
x+=cos(GradToRadians(ygol))*0.02;
}
if(keys[40]){
z-=sin(GradToRadians(ygol))*0.02;
x-=cos(GradToRadians(ygol))*0.02;
}
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity ();
glTranslatef (0, -1, -1.5);
glRotatef (-90, 0, 1, 0);
GLUquadricObj *gu2;
gu2=gluNewQuadric();
gluQuadricDrawStyle(gu2, GLU_FILL);
glColor4f(0.2, 0.9, 0.4, 0.1);
glTranslatef (0, 0.09, 0);
gluSphere(gu2, 0.1, 20, 20);
glTranslatef (0, -0.09, 0);
delete gu2;
glRotatef (ygol, 0, 1, 0);
glTranslatef(x, y, z);
glRotatef (90, 1, 0, 0);
GLUquadricObj *gu;
gu=gluNewQuadric();
gluQuadricDrawStyle(gu, GLU_LINE);
glColor4f(0.5, 0.5, 0.4, 1.0);
gluDisk(gu, 1, 100, 100, 100);
glPrint("!www"); // НЕ работает
delete gu;
glFlush ();
SwapBuffers(hDC);
}
//---------------------------------------------------------------------------
void __fastcall Tf::FormKeyDown(TObject *Sender, WORD &Key,
TShiftState Shift)
{
keys[Key] = true;
}
//---------------------------------------------------------------------------
void __fastcall Tf::FormKeyUp(TObject *Sender, WORD &Key,
TShiftState Shift)
{
keys[Key] = false;
}
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здесь функция glPrint неработает, в других местах эта же функция работает
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помощь нужна, по шрафтам в OpenGL + C++Builder, ^) 
Дата 8.8.2004, 18:51 (
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