#define?_CRT_SECURE_NO_WARNINGS
#define?BMP_Header_Length?54??//圖像數(shù)據(jù)在內(nèi)存塊中的偏移量
#include?
#include?
#include?
#include?
#include?“MatrixUtils.h“

GLuint?texGround1?texGround2;
GLfloat?mixValue?=?0.3f;?//?紋理混合參數(shù)
GLfloat?angle?=?0.0f;
void?renderScene（void）
{
	glClear（GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT）;
	float?vertices[]?=?{
		//?所需要的所有頂點集合
		?-0.5f?-0.5f?0.0f?1.0f?0.0f?0.0f0.0f?0.0f??//?0
		0.5f??-0.5f?0.0f?0.0f?1.0f?0.0f1.0f?0.0f??//?1
		0.5f??0.5f??0.0f?0.0f?0.0f?1.0f1.0f?1.0f??//?2
		-0.5f?0.5f??0.0f?1.0f?1.0f?0.0f0.0f?1.0f???//?3
	};
	//?索引數(shù)據(jù)?需要的點的組合
	unsigned?int?indices[]?=?{
		0?1?2??//?第一個三角
		0?2?3???//?第二個三角
	};

	//?VBO對象將頂點從內(nèi)存接受并在顯存中管理
	unsigned?int?VBO?VAO?EBO;
	glGenVertexArrays（1?&VAO）;?//?生成頂點數(shù)組對象VAO
	glGenBuffers（1?&VBO）;??//??根據(jù)int類型的VBO這個ID生成一個VBO對象
	glGenBuffers（1?&EBO）;
	//?綁定頂點數(shù)組對象VAO
	glBindVertexArray（VAO）;
	//?綁定頂點緩沖對象VBO
	glBindBuffer（GL_ARRAY_BUFFER?VBO）;?//??綁定VBO到某個緩沖類型
	glBufferData（GL_ARRAY_BUFFER?sizeof（vertices）?vertices?GL_STATIC_DRAW）;??//?初始化緩存后將數(shù)據(jù)拷貝此步驟后?數(shù)據(jù)被復制到在顯存中
	//?綁定元素緩沖對象EBO
	glBindBuffer（GL_ELEMENT_ARRAY_BUFFER?EBO）;?//?綁定EBO到某個緩沖類型
	glBufferData（GL_ELEMENT_ARRAY_BUFFER?sizeof（indices）?indices?GL_STATIC_DRAW）;

	//?頂點屬性指針（位置值幾個分量值類型是否標準化步長偏移量）
	//?頂點位置屬性
	glVertexAttribPointer（0?3?GL_FLOAT?GL_FALSE
		8?*?sizeof（GL_FLOAT）?（GLvoid*）0）;
	glEnableVertexAttribArray（0）;
	//?頂點顏色屬性
	glVertexAttribPointer（1?3?GL_FLOAT?GL_FALSE
		8?*?sizeof（GL_FLOAT）?（GLvoid*）（3?*?sizeof（GL_FLOAT）））;
	glEnableVertexAttribArray（1）;
	//?頂點紋理坐標
	glVertexAttribPointer（2?2?GL_FLOAT?GL_FALSE
		8?*?sizeof（GL_FLOAT）?（GLvoid*）（6?*?sizeof（GL_FLOAT）））;
	glEnableVertexAttribArray（2）;
	//glVertexAttribPointer（0?3?GL_FLOAT?GL_FALSE?3?*?sizeof（float）?（void*）0）;
	//glEnableVertexAttribArray（0）;???//?啟動定點屬性
	//?調(diào)用glVertexAttribPointer函數(shù)注冊VBO為定點屬性的綁定VBO之后就可以安全解除綁定.
	glBindBuffer（GL_ARRAY_BUFFER?0）;
	//?VAO處于活動狀態(tài)下啊不要解綁EBO
	//glBindBuffer（GL_ELEMENT_ARRAY_BUFFER?0）;
	//?你可以解綁VAO這樣就不能改變VAO（這樣的用法很少見）修改其他VAO需要glBindVertexArray所以一般不解綁VAOVBO除非明確需求.
	glBindVertexArray（0）;
	//?填充模式（默認）
	glPolygonMode（GL_FRONT_AND_BACK?GL_FILL）;
	//?線框模式（只繪制線）
	//glPolygonMode（GL_FRONT_AND_BACK?GL_LINE）;

	//?循環(huán)渲染要求退出則為1取反為0循環(huán)終止.
		//?渲染背景設置清空
	glClearColor（0.2f?0.3f?0.3f?1.0f）;
	glClear（GL_COLOR_BUFFER_BIT）;
	//?渲染三角形
	glBindVertexArray（VAO）;?//綁定VAO時自動保存EBO的綁定
	glDrawElements（GL_TRIANGLES?6?GL_UNSIGNED_INT?0）;????//頂點數(shù)EBO偏移量.
	//?雙緩沖后臺渲染完后一次性與前臺交換力求一次呈現(xiàn).
//?釋放資源
	glDeleteVertexArrays（1?&VAO）;
	glDeleteBuffers（1?&VBO）;
	glDeleteBuffers（1?&EBO）;
	//?結(jié)束GLFW
	glutSwapBuffers（）;
}

void?changeSize（int?w?int?h）?{

	//?Prevent?a?divide?by?zero?when?window?is?too?short
	//?（you?cant?make?a?window?of?zero?width）.
	if?（h?==?0）
		h?=?1;
	//printf（“w?is?%d?h?is?%d“?w?h）;
	//float?ratio?=?1.0*?w?/?h;

	//?Reset?the?coordinate?system?before?mo

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????49664??2018-09-11?11:34??9-6trirotate\.vs\9-6trirotate\v15\.suo

?????文件???48103424??2018-09-11?11:34??9-6trirotate\.vs\9-6trirotate\v15\Browse.VC.db

?????文件???11796480??2018-09-06?17:35??9-6trirotate\.vs\9-6trirotate\v15\ipch\25a67ae791437d38.ipch

?????文件???11796480??2018-09-11?09:13??9-6trirotate\.vs\9-6trirotate\v15\ipch\AutoPCH\2adc46de111a5960\MATRIXUTILS.ipch

?????文件???34668544??2018-09-11?10:29??9-6trirotate\.vs\9-6trirotate\v15\ipch\AutoPCH\b551f1a5ab37a120\9-6TRIROTATE.ipch

?????文件???11468800??2018-09-06?17:35??9-6trirotate\.vs\9-6trirotate\v15\ipch\AutoPCH\dba754898e433ee0\MATRIXUTILS.ipch

?????文件????????317??2018-09-06?17:03??9-6trirotate\9-6trirotate\1.vert

?????文件????????320??2018-09-06?11:42??9-6trirotate\9-6trirotate\2.frag

?????文件??????20404??2018-09-06?17:57??9-6trirotate\9-6trirotate\9-6trirotate.cpp

?????文件???????9667??2018-09-06?17:35??9-6trirotate\9-6trirotate\9-6trirotate.vcxproj

?????文件???????1490??2018-09-06?17:35??9-6trirotate\9-6trirotate\9-6trirotate.vcxproj.filters

?????文件????????165??2018-09-06?13:57??9-6trirotate\9-6trirotate\9-6trirotate.vcxproj.user

?????文件???????1050??2018-08-31?18:12??9-6trirotate\9-6trirotate\baseTypes.h

?????文件????????464??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.log

?????文件??????45232??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.obj

?????文件????????196??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\9-6trirotate.lastbuildstate

?????文件???????2764??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\CL.command.1.tlog

?????文件??????17458??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\CL.read.1.tlog

?????文件???????1268??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\CL.write.1.tlog

?????文件???????3692??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\link.command.1.tlog

?????文件???????3278??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\link.read.1.tlog

?????文件????????502??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\9-6trirotate.tlog\link.write.1.tlog

?????文件??????29982??2018-09-06?17:35??9-6trirotate\9-6trirotate\Debug\MatrixUtils.obj

?????文件?????191488??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\vc141.idb

?????文件?????102400??2018-09-06?17:57??9-6trirotate\9-6trirotate\Debug\vc141.pdb

?????文件???????8321??2018-09-06?16:59??9-6trirotate\9-6trirotate\MatrixUtils.c

?????文件???????8181??2018-09-06?17:35??9-6trirotate\9-6trirotate\MatrixUtils.cpp

?????文件???????2628??2018-08-31?18:12??9-6trirotate\9-6trirotate\MatrixUtils.h

?????文件????????225??2018-09-06?13:59??9-6trirotate\9-6trirotate\packages.config

?????文件?????151254??2018-08-31?16:45??9-6trirotate\9-6trirotate\test.bmp

............此處省略79個文件信息