Starting up on skybox work

BaseGLProject/MyGLWindow.cpp

@@ -161,7 +161,7 @@ void MyGlWindow::setup()
 	//meshes.emplace("Mountain", new Mesh("mountain/mount.blend1.obj", shaders["TexBaseLight"]));	
 
 	meshes.emplace("Sponza", new Mesh("sponza/sponza.obj", shaders["TexBaseLight"]));
-	meshes["Sponza"]->addTranslation(glm::vec4(0, -200, 0, 1));	
+	//meshes["Sponza"]->addTranslation(glm::vec4(0, -200, 0, 1));	
 
 
 

BaseGLProject/Skybox.cpp

@@ -0,0 +1,96 @@
+#include "Skybox.h"
+
+Skybox::Skybox()
+{
+	float side = 50.0f;   //size of cube
+	float side2 = side / 2.0f;
+	float v[24 * 3] = {
+		// Front
+		-side2, -side2, side2,
+		side2, -side2, side2,
+		side2,  side2, side2,
+		-side2,  side2, side2,
+		// Right
+		side2, -side2, side2,
+		side2, -side2, -side2,
+		side2,  side2, -side2,
+		side2,  side2, side2,
+		// Back
+		-side2, -side2, -side2,
+		-side2,  side2, -side2,
+		side2,  side2, -side2,
+		side2, -side2, -side2,
+		// Left
+		-side2, -side2, side2,   //12
+		-side2,  side2,  side2,   //13
+		-side2,  side2, -side2,  //14
+		-side2, -side2, -side2,  //15
+			   // Bottom
+	   -side2, -side2, side2,
+	   -side2, -side2, -side2,
+		side2, -side2, -side2,
+		side2, -side2, side2,
+		// Top
+		-side2,  side2, side2,
+		 side2,  side2, side2,
+		 side2,  side2, -side2,
+		-side2,  side2, -side2
+	};
+
+	GLuint el[] = {
+		0,2,1,    0,3,2,    4,6,5,     4,7,6,
+		8,10,9,   8,11,10,  12,14,13,  12,15,14,
+		16,18,17, 16,19,18, 20,22,21,  20,23,22
+	};
+
+	glGenVertexArrays(1, &vao);
+	glBindVertexArray(vao);
+
+	glGenBuffers(1, &vector_vbo);
+	glBindBuffer(GL_ARRAY_BUFFER, vector_vbo);
+	glBufferData(GL_ARRAY_BUFFER, 24 * 3 * sizeof(GLfloat), v, GL_STATIC_DRAW);
+
+	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 3, NULL);
+	glEnableVertexAttribArray(0);
+
+	glGenBuffers(1, &ibo);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, 36 * sizeof(GLuint), el, GL_STATIC_DRAW);
+
+	glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, 0, NULL);
+	glEnableVertexAttribArray(4);
+
+	glActiveTexture(GL_TEXTURE0);
+	glGenTextures(1, &texID);  //set the texID as a member variable
+	glBindTexture(GL_TEXTURE_CUBE_MAP, texID);
+
+	const char * suffixes[] = { "left", "right", "top", "down", "back", "front" };
+
+	GLuint targets[] = {
+	GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
+	GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
+	GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
+	};
+
+	for (int i = 0; i < 6; i++) {
+		int channel;
+		int width, height;
+		std::string filename;
+		filename = std::string("Models/skybox/" + suffixes[i]) + string(".jpg");
+		unsigned char * image = SOIL_load_image(filename.c_str(), &width, &height, &channel, SOIL_LOAD_RGB);
+		glTexImage2D(targets[i], 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
+		glGenerateMipmap(GL_TEXTURE_2D);
+		SOIL_free_image_data(image);
+	}
+
+
+}
+
+
+Skybox::~Skybox()
+{
+}
+
+void Skybox::draw()
+{
+}

BaseGLProject/Skybox.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <string>
+#include <iostream>
+#include <vector>
+#include <GL/glew.h>
+#include <glm/gtc/matrix_transform.hpp>
+
+#include <glm/mat4x4.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtc/matrix_inverse.hpp>
+#include "Loader.h"
+
+class Skybox
+{
+private:
+	unsigned int vao;
+	unsigned int vector_vbo;
+	unsigned int ibo;
+	GLuint texID;
+public:
+	Skybox();
+	~Skybox();
+	void draw();
+};
+