#define?GLEW_STATIC
#include?

#include?

#include?
#include?
#include?

#include?

#include?“Shader.h“
#include?

#include?
#include?

#pragma?comment（lib?“SOIL.lib“）

#pragma?comment?（lib?“opengl32.lib“）
#pragma?comment?（lib?“glew32s.lib“）
#pragma?comment?（lib?“glfw3.lib“）?
#pragma?comment?（lib?“glfw3dll.lib“）?
#pragma?comment?（lib?“glew32mxs.lib“）
#pragma?comment?（lib?“assimp.lib“）

#define??WIDTH?500
#define??HEIGH?500


glm::vec3?cameraPos?=?glm::vec3（0.0f?0.0f?50.0f）;	//?相機距離原點50
glm::vec3?cameraTarg?=?glm::vec3（0.0f?0.0f?0.0f）;
glm::vec3?cameraUp?=?glm::vec3（0.0f?1.0f?0.0f）;

glm::vec4??mousePos;

GLfloat?fRotateAngle?=?0.0f;

void?keyFun（GLFWwindow*?pWnd?int?nKey?int?nScanCode?int?nAction?int?nMode）;
void?mouseFun（GLFWwindow*?pWnd?int?int?int）;
void?cursorFun（GLFWwindow*?window?double?x?double?y）;


//////////////////////////////////
int?main（）
{
	glfwInit（）;
	glfwWindowHint（GLFW_CONTEXT_VERSION_MAJOR?3）;
	glfwWindowHint（GLFW_CONTEXT_VERSION_MINOR?3）;

	glfwWindowHint（GLFW_OPENGL_PROFILE?GLFW_OPENGL_CORE_PROFILE）;
	glfwWindowHint（GLFW_RESIZABLE?GL_FALSE）;

	GLFWwindow*?pWnd?=?glfwCreateWindow（WIDTH?HEIGH?“OGL?Geometry?Shader“?nullptr?nullptr）;
	glfwMakeContextCurrent（pWnd）;

	glfwSetKeyCallback（pWnd?keyFun）;
	glfwSetCursorPosCallback（pWnd?cursorFun）;
	glfwSetMouseButtonCallback（pWnd?mouseFun）;

	glewExperimental?=?GL_TRUE;

	glewInit（）;

	glViewport（0?0?WIDTH?HEIGH）;
	
#if?0
	//?在原點處繪圖即離相機50?將Y值稍微縮小便于顯示
	GLfloat?cube[]?=?{
		-49.0f?-49.0f?-0.0f???49.0f?-49.0f-0.0f
		49.0f?-49.0f-0.0f	?49.0f?49.0f-0.0f
		49.0f?49.0f-0.0f		-49.0f?-49.0f?-0.0f
		-49.0f?-49.0f?-0.0f???-49.0f?49.0f-0.0f
		-49.0f?49.0f?-0.0f???49.0f?49.0f-0.0f
		-49.0f?49.0f?-0.0f??49.0f?-49.0f?-0.0f
	};
#else
	//?在z?-50?處繪圖即離相機100將Y值稍微縮小便于顯示
	GLfloat?cube[]?=?{
		-99.0f?-99.0f?-50.0f???99.0f?-99.0f-50.0f
		99.0f?-99.0f-50.0f	?99.0f?99.0f-50.0f
		99.0f?99.0f-50.0f		-99.0f?-99.0f?-50.0f
		-99.0f?-99.0f?-50.0f???-99.0f?99.0f-50.0f
		-99.0f?99.0f?-50.0f???99.0f?99.0f-50.0f
		-99.0f?99.0f?-50.0f??99.0f?-99.0f?-50.0f
	};
#endif

	GLuint?nVAO?nVBO;
	glGenVertexArrays（1?&nVAO）;
	glBindVertexArray（nVAO）;
	{
		glGenBuffers（1?&nVBO）;
		glBindBuffer（GL_ARRAY_BUFFER?nVBO）;
		{
			glBufferData（GL_ARRAY_BUFFER?sizeof（cube）?&cube[0]?GL_STATIC_DRAW）;

			glEnableVertexAttribArray（0）;	//?vertex
			glVertexAttribPointer（0?3?GL_FLOAT?GL_FALSE?0?（GLvoid*）0）;
		}
		glBindBuffer（GL_ARRAY_BUFFER?0）;
	}
	glBindVertexArray（0）;

	Shader?shader（“./Shader/vertex.vx“?“./Shader/frag.fg“）;
	shader.userShaderProg（）;

	glm::mat4?model;		//?模型矩陣
	glm::mat4?view;			//?視圖矩陣

	//?投影矩陣					視角		寬高比						近		?遠截面
	//?側視圖
	glm::mat4?proj?=?glm::perspect

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

?????文件???????1333??2017-03-01?16:50??OGLGeometryShader.sln

?????文件???????7842??2017-09-19?01:08??OGLGeometryShader\main.cpp

?????文件???????7947??2017-08-03?16:43??OGLGeometryShader\OGLGeometryShader.vcxproj

?????文件???????1304??2017-08-03?15:13??OGLGeometryShader\OGLGeometryShader.vcxproj.filters

?????文件????????146??2017-09-13?01:22??OGLGeometryShader\Shader\frag.fg

?????文件????????527??2017-04-09?02:21??OGLGeometryShader\Shader\geo.geo

?????文件????????298??2017-09-13?00:14??OGLGeometryShader\Shader\vertex.vx

?????文件???????6071??2017-03-02?15:14??OGLGeometryShader\Shader.cpp

?????文件????????498??2017-03-02?15:57??OGLGeometryShader\Shader.h

?????目錄??????????0??2017-09-13?01:22??OGLGeometryShader\Shader

?????目錄??????????0??2017-09-19?01:08??OGLGeometryShader

?????文件?????321942??2017-09-19?00:44??OpenGL_射線選擇初探?（1）.jpg

?????文件?????338052??2017-09-19?00:53??OpenGL_射線選擇初探?（2）.jpg

-----------?---------??----------?-----??----

???????????????685960????????????????????13