9-6trirotate.rar

9-6trirotate.rar

#define _CRT_SECURE_NO_WARNINGS
#define BMP_Header_Length 54  //图像数据在内存块中的偏移量
#include 
#include 
#include 
#include 
#include “MatrixUtils.h“

GLuint texGround1 texGround2;
GLfloat mixValue = 0.3f; // 纹理混合参数
GLfloat angle = 0.0f;
void renderScene（void）
{
	glClear（GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT）;
	float vertices[] = {
		// 所需要的所有顶点集合
		 -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
	};
	// 索引数据 需要的点的组合
	unsigned int indices[] = {
		0 1 2  // 第一个三角
		0 2 3   // 第二个三角
	};

	// VBO对象将顶点从内存接受并在显存中管理
	unsigned int VBO VAO EBO;
	glGenVertexArrays（1 &VAO）; // 生成顶点数组对象VAO
	glGenBuffers（1 &VBO）;  //  根据int类型的VBO这个ID生成一个VBO对象
	glGenBuffers（1 &EBO）;
	// 绑定顶点数组对象VAO
	glBindVertexArray（VAO）;
	// 绑定顶点缓冲对象VBO
	glBindBuffer（GL_ARRAY_BUFFER VBO）; //  绑定VBO到某个缓冲类型
	glBufferData（GL_ARRAY_BUFFER sizeof（vertices） vertices GL_STATIC_DRAW）;  // 初始化缓存后将数据拷贝此步骤后 数据被复制到在显存中
	// 绑定元素缓冲对象EBO
	glBindBuffer（GL_ELEMENT_ARRAY_BUFFER EBO）; // 绑定EBO到某个缓冲类型
	glBufferData（GL_ELEMENT_ARRAY_BUFFER sizeof（indices） indices GL_STATIC_DRAW）;

	// 顶点属性指针（位置值几个分量值类型是否标准化步长偏移量）
	// 顶点位置属性
	glVertexAttribPointer（0 3 GL_FLOAT GL_FALSE
		8 * sizeof（GL_FLOAT） （GLvoid*）0）;
	glEnableVertexAttribArray（0）;
	// 顶点颜色属性
	glVertexAttribPointer（1 3 GL_FLOAT GL_FALSE
		8 * sizeof（GL_FLOAT） （GLvoid*）（3 * sizeof（GL_FLOAT）））;
	glEnableVertexAttribArray（1）;
	// 顶点纹理坐标
	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）;   // 启动定点属性
	// 调用glVertexAttribPointer函数注册VBO为定点属性的绑定VBO之后就可以安全解除绑定.
	glBindBuffer（GL_ARRAY_BUFFER 0）;
	// VAO处于活动状态下啊不要解绑EBO
	//glBindBuffer（GL_ELEMENT_ARRAY_BUFFER 0）;
	// 你可以解绑VAO这样就不能改变VAO（这样的用法很少见）修改其他VAO需要glBindVertexArray所以一般不解绑VAOVBO除非明确需求.
	glBindVertexArray（0）;
	// 填充模式（默认）
	glPolygonMode（GL_FRONT_AND_BACK GL_FILL）;
	// 线框模式（只绘制线）
	//glPolygonMode（GL_FRONT_AND_BACK GL_LINE）;

	// 循环渲染要求退出则为1取反为0循环终止.
		// 渲染背景设置清空
	glClearColor（0.2f 0.3f 0.3f 1.0f）;
	glClear（GL_COLOR_BUFFER_BIT）;
	// 渲染三角形
	glBindVertexArray（VAO）; //绑定VAO时自动保存EBO的绑定
	glDrawElements（GL_TRIANGLES 6 GL_UNSIGNED_INT 0）;    //顶点数EBO偏移量.
	// 双缓冲后台渲染完后一次性与前台交换力求一次呈现.
// 释放资源
	glDeleteVertexArrays（1 &VAO）;
	glDeleteBuffers（1 &VBO）;
	glDeleteBuffers（1 &EBO）;
	// 结束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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..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

............此处省略79个文件信息