#include?“cgl.h“

CGL::CGL（）
{
????//ctor
}

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

????bunny?=?Objobject（“dragon.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）;
????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?）;

????//prog.printActiveUniforms（）;
????//prog.printActiveAttribs（）;
???//?glDrawArrays（GL_QUADS04）;
????glDrawArrays（GL_TRIANGLES?0?bunny.vertices.size（）?）;


???	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;
????????}
????}
}

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）;
//glBufferData（GL_ARRAY_BUFFER?12?*?sizeof（GLfloat）?positionData?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
		）;

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

//?3rd?attribute?buffer?:?normals
		

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????25924??2013-08-16?13:42??OpenGLPro12\obj\Debug\main.o
?????文件??????215868??2013-08-17?03:06??OpenGLPro12\obj\Debug\cgl.o
?????文件???????21460??2013-08-01?14:17??OpenGLPro12\obj\Debug\sdl.o
?????文件???????42448??2013-08-16?13:34??OpenGLPro12\obj\Debug\csdl.o
?????文件??????204768??2013-08-13?14:01??OpenGLPro12\obj\Debug\util.o
?????文件???????80884??2013-08-07?08:04??OpenGLPro12\obj\Debug\shader.o
?????文件???????82232??2013-08-16?13:34??OpenGLPro12\obj\Debug\shaderprogram.o
?????文件???????72780??2013-08-13?14:01??OpenGLPro12\obj\Debug\teapot.o
?????文件???????72856??2013-08-16?13:28??OpenGLPro12\obj\Debug\objobject.o
?????文件??????374070??2013-08-17?03:06??OpenGLPro12\bin\Debug\SDLTest
?????文件?????????511??2013-08-15?01:59??OpenGLPro12\shader\basic.frag
?????文件?????????159??2013-08-14?15:22??OpenGLPro12\shader\basic.vert~
?????文件?????????172??2013-08-17?03:06??OpenGLPro12\shader\basic1.frag
?????文件????????1285??2013-08-17?03:04??OpenGLPro12\shader\basic1.vert~
?????文件?????????216??2013-08-15?01:59??OpenGLPro12\shader\basic.vert
?????文件????????1290??2013-08-17?03:06??OpenGLPro12\shader\basic1.vert
?????文件?????????511??2013-08-15?01:59??OpenGLPro12\shader\basic.frag~
?????文件?????????167??2013-08-17?03:04??OpenGLPro12\shader\basic1.frag~
?????文件?????????552??2013-08-13?13:58??OpenGLPro12\util.h
?????文件????????4134??2013-08-13?13:21??OpenGLPro12\util.cpp
?????文件????????1273??2013-08-17?03:19??OpenGLPro12\SDLTest.layout
?????文件????????2098??2013-08-17?03:06??OpenGLPro12\SDLTest.depend
?????文件????????1437??2013-08-07?08:04??OpenGLPro12\SDLTest.cbp~
?????文件?????????631??2013-08-16?13:42??OpenGLPro12\main.cpp
?????文件?????????758??2013-08-02?01:45??OpenGLPro12\csdl.h
?????文件????????3011??2013-08-15?06:04??OpenGLPro12\csdl.cpp
?????文件?????????590??2013-08-16?13:34??OpenGLPro12\cgl.h
?????文件????????5136??2013-08-17?03:06??OpenGLPro12\cgl.cpp
?????文件????????1767??2013-08-16?13:31??OpenGLPro12\shaderprogram.h
?????文件???????58002??2013-08-01?06:59??OpenGLPro12\monkey.obj
?????文件????????8489??2013-08-16?13:33??OpenGLPro12\shaderprogram.cpp
............此處省略16個文件信息