#include?“cgl.h“

CGL::CGL（）
{
????//ctor
}

CGL::CGL（int?_width?int?_height）
{
????this->width?=?_width;
????this->height?=?_height;
}

CGL::~CGL（）
{
????//dtor
}

bool?CGL::initGL（）
{

????float?ratio?=?width?/?height;
????//?Our?shading?model--Gouraud?（smooth）.
????glShadeModel（?GL_SMOOTH?）;
????//?Set?the?clear?color.
????glClearColor（?0?0?0?0?）;
????//?Setup?our?viewport.
????glViewport（?0?0?width?height?）;
????glEnable（GL_DEPTH_TEST）;
????//Change?to?the?projection?matrix?and?set?our?viewing?volume.
????glMatrixMode（?GL_PROJECTION?）;
????glLoadIdentity（）;
????gluPerspective（?60.0?ratio?1.0?100.0?）;

????GLfloat?light_position[]?=?{13.0?13.0?13.0?0.0};
????GLfloat?white_light[]?=?{1.0?0.0?0.0?1.0};
????GLfloat?lmodel_ambient[]?=?{0.1?0.1?0.1?1.0};
????glLightfv（GL_LIGHT0GL_POSITIONlight_position）;
????glLightfv（GL_LIGHT0GL_DIFFUSEwhite_light）;
????glLightfv（GL_LIGHT0GL_SPECULARwhite_light）;

????GLfloat?mat_specular[]?=?{1.0?1.0?1.0?1.0};
????GLfloat?mat_shininess[]?=?{50.0};
????glMaterialfv（GL_FRONTGL_SPECULARmat_specular）;
????glMaterialfv（GL_FRONTGL_SHININESSmat_shininess）;
????glLightModelfv（GL_LIGHT_MODEL_AMBIENTlmodel_ambient）;

????glEnable（GL_LIGHTING）;
????glEnable（GL_LIGHT0）;

????Util?util;
????//Read?.obj?file?and?store?the?infos
????bool?res?=?util.loadOBJ（“monkey.obj“?vertices?uvs?normals）;
????return（?true?）;
}

bool?CGL::resizeGL（int?widthint?height）
{
????if?（?height?==?0?）
????{
????????height?=?1;
????}
????//Reset?View
????glViewport（?0?0?（GLint）width?（GLint）height?）;
????//Choose?the?Matrix?mode
????glMatrixMode（?GL_PROJECTION?）;
????//reset?projection
????glLoadIdentity（）;
????//set?perspection
????gluPerspective（?45.0?（GLfloat）width/（GLfloat）height?0.1?100.0?）;
????//choose?Matrix?mode
????glMatrixMode（?GL_MODELVIEW?）;
????glLoadIdentity（）;

}

bool?CGL::renderGL（）
{
????	/*?These?are?to?calculate?our?fps?*/
????static?GLint?T0?????=?0;
	static?GLint?frames?=?0;
	????//?Clear?the?color?and?depth?buffers.
????glClear（?GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT?）;
????//?We?don‘t?want?to?modify?the?projection?matrix.?*/
????glMatrixMode（?GL_MODELVIEW?）;
????glLoadIdentity（?）;
????//?glTranslatef（?0.0f?0.0f?-6.0f?）;
????//?Move?down?the?z-axis.
????glTranslatef（?0.0?0.0?-5.0?）;
????glRotatef（1201.01.00.0）;

????int?nodesSize?=?vertices.size（）;
????int?i;
????glBegin（GL_TRIANGLES）;
????for（i?=?0;?i????{
????????glNormal3f（normals[i].x?normals[i].y?normals[i].z）;
????????glVertex3f（?vertices[i].x?vertices[i].y?vertices[i].z）;
????}

????glEnd（）;

???	SDL_GL_SwapBuffers（?）;

????/*?Gather?our?frames?per?second?*/
????frames++;
????{
	GLint?t?=?SDL_GetTicks（）;
	if?（t?-?T0?>=?5000）?{
	????GLfloat?seconds?=?（t?-?T0）?/?1000.0;
	????GLfloat?fps?=?frames?/?seconds;
	????printf（“%d?frames?in?%g?seconds?=?%g?FPS\n“?frames?seconds?fps）;
	????T0?=?t;
	????frames?=?0;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????452??2013-08-01?14:59??util.h
?????文件????????4152??2013-08-02?02:26??util.cpp
?????文件?????????843??2013-08-02?02:44??SDLTest.layout
?????文件?????????797??2013-08-02?02:59??SDLTest.depend
?????文件????????1373??2013-08-01?15:30??SDLTest.cbp
?????文件???????58002??2013-08-01?06:59??monkey.obj
?????文件?????????591??2013-08-02?02:51??main.cpp
?????文件?????????758??2013-08-02?01:45??csdl.h
?????文件????????3044??2013-08-02?01:45??csdl.cpp
?????文件?????????572??2013-08-02?02:15??cgl.h
?????文件????????2922??2013-08-02?02:57??cgl.cpp
?????文件???????38023??2013-08-01?13:17??boy.obj
?????文件???????20052??2013-08-02?02:51??obj\Debug\main.o
?????文件???????77296??2013-08-02?02:58??obj\Debug\cgl.o
?????文件???????21460??2013-08-01?14:17??obj\Debug\sdl.o
?????文件???????35016??2013-08-02?02:19??obj\Debug\csdl.o
?????文件??????204644??2013-08-02?02:27??obj\Debug\util.o
?????文件??????203914??2013-08-02?02:58??bin\Debug\SDLTest
?????目錄???????????0??2013-08-02?02:58??obj\Debug\
?????目錄???????????0??2013-08-01?13:50??obj\
?????目錄???????????0??2013-08-02?02:58??bin\Debug\
?????目錄???????????0??2013-08-01?13:50??bin\