#include?“cgl.h“

CGL::CGL（）
{
????//ctor

}

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

???//?model?=?mat4（0.5f）;

????prog?=?ShaderProgram（）;

}

CGL::~CGL（）
{
????//dtor
}

bool?CGL::initGL（）
{
????/*?Enable?smooth?shading?*/
????glShadeModel（?GL_SMOOTH?）;
????/*?Set?the?background?black?*/
????glClearColor（?0.0f?0.0f?0.0f?0.0f?）;
????/*?Depth?buffer?setup?*/
????glClearDepth（?1.0f?）;
????/*?Enables?Depth?Testing?*/
????glEnable（?GL_DEPTH_TEST?）;
????/*?The?Type?Of?Depth?Test?To?Do?*/
????glDepthFunc（?GL_LEQUAL?）;
????/*?Really?Nice?Perspective?Calculations?*/
????glHint（?GL_PERSPECTIVE_CORRECTION_HINT?GL_NICEST?）;

????model?=?mat4（1.0f）;
????view?=?glm::lookAt（vec3（-2.0f5.0f1.0f）?vec3（0.0f1.0f0.0f）?vec3（0.0f1.0f0.0f））;
????bunny?=?Objobject（“assets/model/cubic.obj“）;
????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?）;
????glEnable（GL_DEPTH_TEST）;
????glEnable（GL_TEXTURE_2D）;
????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?）;

????glDrawArrays（GL_TRIANGLES?0?bunny.vertices.size（）?）;

???	SDL_GL_SwapBuffers（?）;


????//this->changeMatrics（）;
????/*?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;
????????}
????}
}



void?CGL::compileShader（）
{


	glGenVertexArrays（1?&VertexArrayID）;
	glBindVertexArray（VertexArrayID）;

	glGenBuffers（1?&vertexbuffer）;
	glBindBuffer（GL_ARRAY_BUFFER?vertexbuffer）;
	glBufferData（GL_ARRAY_BUFFER?bunny.vertices.size（）?*?sizeof（glm::vec3）?&bunny.vertices[0]?GL_STATIC_DRAW）;

//?1rst?attribute?buffer?:?vertices
????glEnableVertexAttribArray（0）;
????glBindBuffer（GL_ARRAY_BUFFER?vertexbuffer）;
????glVertexAttribPointer（
????????0??????????????????//?attribute
????????3??????????????????//?size
????????GL_FLOAT???????????//?type
????????GL_FALSE???????????//?normalized?
????????0??????????????????//?stride
????????（void*）0????????????//?array?buffer?offset
????）;

//?2rd?attribute?buffer?:?normals
????GLuint?normalbuffer;
	glGenBuffers（1?&normalbuffer）;
	glBindBuffer（GL_ARRAY_BUFFER?normalbuffer）;
	glBufferData（GL_ARRAY_BUFFER?bunny.normals

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-24?10:57??OpenGLPro16_Texturing\
?????文件?????????207??2013-08-07?16:35??OpenGLPro16_Texturing\README.txt
?????文件?????????194??2013-08-07?16:35??OpenGLPro16_Texturing\README.txt~
?????文件????????1555??2013-08-27?22:38??OpenGLPro16_Texturing\SDLTest.cbp
?????文件????????1437??2013-08-07?16:04??OpenGLPro16_Texturing\SDLTest.cbp~
?????文件????????7746??2013-11-24?10:43??OpenGLPro16_Texturing\SDLTest.depend
?????文件????????1280??2013-11-24?10:57??OpenGLPro16_Texturing\SDLTest.layout
?????文件????????1279??2013-11-24?10:57??OpenGLPro16_Texturing\SDLTest.layout.cbTemp
?????目錄???????????0??2013-11-22?16:13??OpenGLPro16_Texturing\assets\
?????目錄???????????0??2013-11-23?22:45??OpenGLPro16_Texturing\assets\model\
?????文件???????57404??2013-08-16?20:33??OpenGLPro16_Texturing\assets\model\ball.obj
?????文件???????43662??2013-08-17?10:25??OpenGLPro16_Texturing\assets\model\ball2.obj
?????文件?????4862151??2013-08-16?20:29??OpenGLPro16_Texturing\assets\model\bunny.obj
?????文件?????????944??2013-11-23?22:40??OpenGLPro16_Texturing\assets\model\cubic.obj
?????文件?????7037230??2013-08-16?23:18??OpenGLPro16_Texturing\assets\model\dragon.obj
?????文件???????58002??2013-08-01?14:59??OpenGLPro16_Texturing\assets\model\monkey.obj
?????文件??????194614??2013-08-21?21:39??OpenGLPro16_Texturing\assets\model\scene.obj
?????目錄???????????0??2013-11-24?09:53??OpenGLPro16_Texturing\assets\textures\
?????文件??????210980??2012-06-15?10:39??OpenGLPro16_Texturing\assets\textures\brick.jpg
?????文件??????196662??2001-06-16?10:29??OpenGLPro16_Texturing\assets\textures\crate.bmp
?????文件??????196662??2013-11-24?09:53??OpenGLPro16_Texturing\assets\textures\crate_normal.bmp
?????文件?????2193338??2012-06-15?10:39??OpenGLPro16_Texturing\assets\textures\moss.png
?????文件???????11159??2013-08-05?19:56??OpenGLPro16_Texturing\assets\textures\smile.png
?????目錄???????????0??2013-11-22?16:13??OpenGLPro16_Texturing\bin\
?????目錄???????????0??2013-11-24?10:55??OpenGLPro16_Texturing\bin\Debug\
?????文件??????457598??2013-11-24?10:55??OpenGLPro16_Texturing\bin\Debug\SDLTest
?????文件???????10098??2013-11-24?10:54??OpenGLPro16_Texturing\cgl.cpp
?????文件?????????739??2013-11-24?10:43??OpenGLPro16_Texturing\cgl.h
?????文件????????3143??2013-08-21?10:42??OpenGLPro16_Texturing\csdl.cpp
?????文件?????????766??2013-08-20?23:13??OpenGLPro16_Texturing\csdl.h
?????文件?????????704??2013-11-24?09:15??OpenGLPro16_Texturing\main.cpp
............此處省略28個文件信息