XCEngine/MVS/OpenGL/main.cpp

#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <iostream>
#include <cmath>
#include <string>
#include <fstream>
#include <sstream>
#include <vector>
#include <map>
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
#include <stb_image.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>

const unsigned int SCR_WIDTH = 800;
const unsigned int SCR_HEIGHT = 600;

enum Camera_Movement {
	CAMERA_FORWARD,
	CAMERA_BACKWARD,
	CAMERA_RIGHT,
	CAMERA_LEFT
};

class Shader;
class Model;
class Camera;
class Mesh;

class Shader
{
public:
	unsigned int ID;

	Shader(const char* vertexPath, const char* fragmentPath, const char* geometryPath = nullptr)
	{
		std::string vertexCode;
		std::string fragmentCode;
		std::string geometryCode;
		std::ifstream vShaderFile;
		std::ifstream fShaderFile;
		std::ifstream gShaderFile;
		vShaderFile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
		fShaderFile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
		gShaderFile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
		try
		{
			vShaderFile.open(vertexPath);
			fShaderFile.open(fragmentPath);
			std::stringstream vShaderStream, fShaderStream;
			vShaderStream << vShaderFile.rdbuf();
			fShaderStream << fShaderFile.rdbuf();
			vShaderFile.close();
			fShaderFile.close();
			vertexCode = vShaderStream.str();
			fragmentCode = fShaderStream.str();

			if (geometryPath != nullptr)
			{
				gShaderFile.open(geometryPath);
				std::stringstream gShaderStream;
				gShaderStream << gShaderFile.rdbuf();
				gShaderFile.close();
				geometryCode = gShaderStream.str();
			}
		}
		catch (std::ifstream::failure& e)
		{
			std::cout << "ERROR::SHADER::FILE_NOT_SUCCESFULLY_READ: " << e.what() << std::endl;
		}
		const char* vShaderCode = vertexCode.c_str();
		const char* fShaderCode = fragmentCode.c_str();
		unsigned int vertex = 0, fragment;
		vertex = glCreateShader(GL_VERTEX_SHADER);
		glShaderSource(vertex, 1, &vShaderCode, NULL);
		glCompileShader(vertex);
		checkCompileErrors(vertex, "VERTEX");
		fragment = glCreateShader(GL_FRAGMENT_SHADER);
		glShaderSource(fragment, 1, &fShaderCode, NULL);
		glCompileShader(fragment);
		checkCompileErrors(fragment, "FRAGMENT");
		unsigned int geometry;
		if (geometryPath != nullptr)
		{
			const char* gShaderCode = geometryCode.c_str();
			geometry = glCreateShader(GL_GEOMETRY_SHADER);
			glShaderSource(geometry, 1, &gShaderCode, NULL);
			glCompileShader(geometry);
			checkCompileErrors(geometry, "GEOMETRY");
		}
		ID = glCreateProgram();
		glAttachShader(ID, vertex);
		glAttachShader(ID, fragment);
		if (geometryPath != nullptr)
			glAttachShader(ID, geometry);
		glLinkProgram(ID);
		checkCompileErrors(ID, "PROGRAM");
		glDeleteShader(vertex);
		glDeleteShader(fragment);
		if (geometryPath != nullptr)
			glDeleteShader(geometry);
	}

	void use()
	{
		glUseProgram(ID);
	}

	void setBool(const std::string& name, bool value) const
	{
		glUniform1i(glGetUniformLocation(ID, name.c_str()), (int)value);
	}
	void setInt(const std::string& name, int value) const
	{
		glUniform1i(glGetUniformLocation(ID, name.c_str()), value);
	}
	void setFloat(const std::string& name, float value) const
	{
		glUniform1f(glGetUniformLocation(ID, name.c_str()), value);
	}
	void setVec2(const std::string& name, const glm::vec2& value) const
	{
		glUniform2fv(glGetUniformLocation(ID, name.c_str()), 1, &value[0]);
	}
	void setVec2(const std::string& name, float x, float y) const
	{
		glUniform2f(glGetUniformLocation(ID, name.c_str()), x, y);
	}
	void setVec3(const std::string& name, const glm::vec3& value) const
	{
		glUniform3fv(glGetUniformLocation(ID, name.c_str()), 1, &value[0]);
	}
	void setVec3(const std::string& name, float x, float y, float z) const
	{
		glUniform3f(glGetUniformLocation(ID, name.c_str()), x, y, z);
	}
	void setVec4(const std::string& name, const glm::vec4& value) const
	{
		glUniform4fv(glGetUniformLocation(ID, name.c_str()), 1, &value[0]);
	}
	void setVec4(const std::string& name, float x, float y, float z, float w)
	{
		glUniform4f(glGetUniformLocation(ID, name.c_str()), x, y, z, w);
	}
	void setMat2(const std::string& name, const glm::mat2& mat) const
	{
		glUniformMatrix2fv(glGetUniformLocation(ID, name.c_str()), 1, GL_FALSE, &mat[0][0]);
	}
	void setMat3(const std::string& name, const glm::mat3& mat) const
	{
		glUniformMatrix3fv(glGetUniformLocation(ID, name.c_str()), 1, GL_FALSE, &mat[0][0]);
	}
	void setMat4(const std::string& name, const glm::mat4& mat) const
	{
		glUniformMatrix4fv(glGetUniformLocation(ID, name.c_str()), 1, GL_FALSE, &mat[0][0]);
	}

private:
	void checkCompileErrors(GLuint shader, std::string type)
	{
		GLint success;
		GLchar infoLog[1024];
		if (type != "PROGRAM")
		{
			glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
			if (!success)
			{
				glGetShaderInfoLog(shader, 1024, NULL, infoLog);
				std::cout << "ERROR::SHADER_COMPILATION_ERROR of type: " << type << "\n" << infoLog << "\n -- --------------------------------------------------- -- " << std::endl;
			}
		}
		else
		{
			glGetProgramiv(shader, GL_LINK_STATUS, &success);
			if (!success)
			{
				glGetProgramInfoLog(shader, 1024, NULL, infoLog);
				std::cout << "ERROR::PROGRAM_LINKING_ERROR of type: " << type << "\n" << infoLog << "\n -- --------------------------------------------------- -- " << std::endl;
			}
		}
	}
};

#define MAX_BONE_INFLUENCE 4

struct Vertex
{
	glm::vec3 Position;
	glm::vec3 Normal;
	glm::vec2 TexCoords;
	glm::vec3 Tangent;
	glm::vec3 Bitangent;
	int m_BoneIDs[MAX_BONE_INFLUENCE];
	float m_Weights[MAX_BONE_INFLUENCE];
};

struct Texture
{
	unsigned int id;
	std::string type;
	std::string path;
};

unsigned int TextureFromFile(const char* path, const std::string& directory, bool gamma = false);

class Mesh
{
public:
	std::vector<Vertex> vertices;
	std::vector<unsigned int> indices;
	std::vector<Texture> textures;
	unsigned int VAO;

	Mesh(std::vector<Vertex> _vertices, std::vector<unsigned int> _indices, std::vector<Texture> _textures)
	{
		vertices = _vertices;
		indices = _indices;
		textures = _textures;
		setupMesh();
	}

	void Draw(Shader* shader)
	{
		unsigned int diffuseNr = 1;
		unsigned int specularNr = 1;
		unsigned int normalNr = 1;
		unsigned int heightNr = 1;
		for (unsigned int i = 0; i < textures.size(); i++)
		{
			glActiveTexture(GL_TEXTURE0 + i);
			std::string number;
			std::string name = textures[i].type;
			if (name == "texture_diffuse")
				number = std::to_string(diffuseNr++);
			else if (name == "texture_specular")
				number = std::to_string(specularNr++);
			else if (name == "texture_normal")
				number = std::to_string(normalNr++);
			else if (name == "texture_height")
				number = std::to_string(heightNr++);

			glUniform1i(glGetUniformLocation(shader->ID, ("material." + name + number).c_str()), i);
			glBindTexture(GL_TEXTURE_2D, textures[i].id);
		}

		glBindVertexArray(VAO);
		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
		glDrawElements(GL_TRIANGLES, static_cast<unsigned int>(indices.size()), GL_UNSIGNED_INT, 0);
		glActiveTexture(GL_TEXTURE0);
	}

private:
	unsigned int VBO, EBO;

	void setupMesh()
	{
		glGenVertexArrays(1, &VAO);
		glGenBuffers(1, &VBO);
		glGenBuffers(1, &EBO);

		glBindVertexArray(VAO);
		glBindBuffer(GL_ARRAY_BUFFER, VBO);
		glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex), &vertices[0], GL_STATIC_DRAW);

		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
		glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), &indices[0], GL_STATIC_DRAW);

		glEnableVertexAttribArray(0);
		glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)0);
		glEnableVertexAttribArray(1);
		glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Normal));
		glEnableVertexAttribArray(2);
		glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, TexCoords));
		glEnableVertexAttribArray(3);
		glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Tangent));
		glEnableVertexAttribArray(4);
		glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Bitangent));
		glEnableVertexAttribArray(5);
		glVertexAttribIPointer(5, 4, GL_INT, sizeof(Vertex), (void*)offsetof(Vertex, m_BoneIDs));
		glEnableVertexAttribArray(6);
		glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, m_Weights));

		glBindVertexArray(0);
	}
};

unsigned int TextureFromFile(const char* path, const std::string& directory, bool gamma)
{
	std::string filename = std::string(path);
	filename = directory + '/' + filename;

	unsigned int textureID;
	glGenTextures(1, &textureID);

	int width, height, nrComponents;
	stbi_set_flip_vertically_on_load(true);
	unsigned char* data = stbi_load(filename.c_str(), &width, &height, &nrComponents, 0);
	if (data)
	{
		GLenum format;
		if (nrComponents == 1)
			format = GL_RED;
		else if (nrComponents == 3)
			format = GL_RGB;
		else if (nrComponents == 4)
			format = GL_RGBA;

		glBindTexture(GL_TEXTURE_2D, textureID);
		glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, GL_UNSIGNED_BYTE, data);
		glGenerateMipmap(GL_TEXTURE_2D);

		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

		stbi_image_free(data);
	}
	else
	{
		std::cout << "Texture failed to load at path: " << path << std::endl;
		stbi_image_free(data);
	}

	return textureID;
}

class Model
{
public:
	std::vector<Texture> textures_loaded;
	std::vector<Mesh> meshes;
	std::string directory;
	bool gammaCorrection;

	Model(std::string const& path, bool gamma = false) : gammaCorrection(gamma)
	{
		loadModel(path);
	}

	void Draw(Shader* shader)
	{
		for (unsigned int i = 0; i < meshes.size(); i++)
		{
			meshes[i].Draw(shader);
		}
	}

private:
	void loadModel(std::string const& path)
	{
		Assimp::Importer importer;
		const aiScene* scene = importer.ReadFile(path, aiProcess_Triangulate | aiProcess_GenSmoothNormals | aiProcess_FlipUVs | aiProcess_CalcTangentSpace);
		if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
		{
			std::cout << "ERROR::ASSIMP:: " << importer.GetErrorString() << std::endl;
			return;
		}
		directory = path.substr(0, path.find_last_of('/'));
		processNode(scene->mRootNode, scene);
	}

	void processNode(aiNode* node, const aiScene* scene)
	{
		for (unsigned int i = 0; i < node->mNumMeshes; i++)
		{
			aiMesh* mesh = scene->mMeshes[node->mMeshes[i]];
			meshes.push_back(processMesh(mesh, scene));
		}
		for (unsigned int i = 0; i < node->mNumChildren; i++)
		{
			processNode(node->mChildren[i], scene);
		}
	}

	Mesh processMesh(aiMesh* mesh, const aiScene* scene)
	{
		std::vector<Vertex> vertices;
		std::vector<unsigned int> indices;
		std::vector<Texture> textures;

		for (unsigned int i = 0; i < mesh->mNumVertices; i++)
		{
			Vertex vertex;
			glm::vec3 vector;
			vector.x = mesh->mVertices[i].x;
			vector.y = mesh->mVertices[i].y;
			vector.z = mesh->mVertices[i].z;
			vertex.Position = vector;

			if (mesh->HasNormals())
			{
				vector.x = mesh->mNormals[i].x;
				vector.y = mesh->mNormals[i].y;
				vector.z = mesh->mNormals[i].z;
				vertex.Normal = vector;
			}

			if (mesh->mTextureCoords[0])
			{
				glm::vec2 vec;
				vec.x = mesh->mTextureCoords[0][i].x;
				vec.y = mesh->mTextureCoords[0][i].y;
				vertex.TexCoords = vec;

				vector.x = mesh->mTangents[i].x;
				vector.y = mesh->mTangents[i].y;
				vector.z = mesh->mTangents[i].z;
				vertex.Tangent = vector;

				vector.x = mesh->mBitangents[i].x;
				vector.y = mesh->mBitangents[i].y;
				vector.z = mesh->mBitangents[i].z;
				vertex.Bitangent = vector;
			}
			else
				vertex.TexCoords = glm::vec2(0.0f, 0.0f);

			vertices.push_back(vertex);
		}

		for (unsigned int i = 0; i < mesh->mNumFaces; i++)
		{
			aiFace face = mesh->mFaces[i];
			for (unsigned int j = 0; j < face.mNumIndices; j++)
				indices.push_back(face.mIndices[j]);
		}

		aiMaterial* material = scene->mMaterials[mesh->mMaterialIndex];

		std::vector<Texture> diffuseMaps = loadMaterialTextures(material, aiTextureType_DIFFUSE, "texture_diffuse");
		textures.insert(textures.end(), diffuseMaps.begin(), diffuseMaps.end());
		std::vector<Texture> specularMaps = loadMaterialTextures(material, aiTextureType_SPECULAR, "texture_specular");
		textures.insert(textures.end(), specularMaps.begin(), specularMaps.end());
		std::vector<Texture> normalMaps = loadMaterialTextures(material, aiTextureType_HEIGHT, "texture_normal");
		textures.insert(textures.end(), normalMaps.begin(), normalMaps.end());
		std::vector<Texture> heightMaps = loadMaterialTextures(material, aiTextureType_AMBIENT, "texture_height");
		textures.insert(textures.end(), heightMaps.begin(), heightMaps.end());

		return Mesh(vertices, indices, textures);
	}

	std::vector<Texture> loadMaterialTextures(aiMaterial* mat, aiTextureType type, std::string typeName)
	{
		std::vector<Texture> textures;
		for (unsigned int i = 0; i < mat->GetTextureCount(type); i++)
		{
			aiString str;
			mat->GetTexture(type, i, &str);
			bool skip = false;
			for (unsigned int j = 0; j < textures_loaded.size(); j++)
			{
				if (std::strcmp(textures_loaded[j].path.data(), str.C_Str()) == 0)
				{
					textures.push_back(textures_loaded[j]);
					skip = true;
					break;
				}
			}
			if (!skip)
			{
				Texture texture;
				texture.id = TextureFromFile(str.C_Str(), this->directory);
				texture.type = typeName;
				texture.path = str.C_Str();
				textures.push_back(texture);
				textures_loaded.push_back(texture);
			}
		}
		return textures;
	}
};

class Camera
{
public:
	float moveSpeed = 1.5f;
	float mouseSensitivity = 0.1f;

	Camera(glm::vec3 _position, float _yaw = 0.0f, float _pitch = 0.0f, float _fov = 45.0f)
	{
		position = _position;
		yaw = _yaw;
		pitch = _pitch;
		zoom = _fov;
		glm::mat4 translate = glm::translate(identity, position);
		glm::mat4 rotate = glm::rotate(identity, glm::radians(yaw), glm::vec3(0.0f, 1.0f, 0.0f));
		rotate = glm::rotate(rotate, glm::radians(pitch), glm::vec3(1.0f, 0.0f, 0.0f));
		trans = translate * rotate;
	}

	void Move(Camera_Movement move, float delta)
	{
		glm::vec3 dPosition = glm::vec3(0.0f);
		switch (move)
		{
		case CAMERA_FORWARD:
			dPosition = front * moveSpeed * delta;
			break;
		case CAMERA_BACKWARD:
			dPosition = back * moveSpeed * delta;
			break;
		case CAMERA_LEFT:
			dPosition = left * moveSpeed * delta;
			break;
		case CAMERA_RIGHT:
			dPosition = right * moveSpeed * delta;
			break;
		}

		glm::mat4 translate = glm::translate(identity, dPosition);
		trans = trans * translate;
	}

	void Rotate(float xoffset, float yoffset)
	{
		float dYaw = 0, dPitch = 0;
		dYaw = -xoffset * mouseSensitivity;
		if (pitch < 89.0f && yoffset < 0 || pitch > -89.0 && yoffset > 0)
		{
			dPitch = -yoffset * mouseSensitivity;
		}

		yaw += dYaw;
		pitch += dPitch;

		glm::mat4 rotate = glm::rotate(identity, glm::radians(dYaw), glm::vec3(0.0f, 1.0f, 0.0f));
		rotate = glm::rotate(rotate, glm::radians(dPitch), glm::vec3(1.0f, 0.0f, 0.0f));
		trans = trans * rotate;
	}

	void Scale(float offset)
	{
		if (zoom > 75 || zoom < 1) { return; }
		zoom -= (float)offset;
	}

	glm::mat4 GetTrans()
	{
		return trans;
	}

	glm::vec3 GetPos()
	{
		glm::vec3 pos(trans[3][0], trans[3][1], trans[3][2]);
		return pos;
	}

private:
	glm::vec3 position;
	glm::vec3 rotation;
	glm::mat4 trans;
	float pitch;
	float yaw;
	float zoom;

	const glm::vec3 front = glm::vec3(0, 0, -1);
	const glm::vec3 back = glm::vec3(0, 0, 1);
	const glm::vec3 left = glm::vec3(-1, 0, 0);
	const glm::vec3 right = glm::vec3(1, 0, 0);
	const glm::mat4 identity = glm::mat4(1.0f);
};

glm::vec3 lightColor = glm::vec3(1.0, 1.0, 1.0);
glm::vec3 lightPosition = glm::vec3(4.0f, 4.0f, -4.0f);

const glm::mat4 identityGlobal = glm::mat4(1.0f);
glm::mat4 origine = identityGlobal;

int lastMouseX;
int lastMouseY;

float delta = 0.0f;
float lastFrame = 0.0f;
float currentFrame = 0.0f;

Model* model;
Shader* shader;
Camera* camera;

void framebuffer_size_callback(GLFWwindow* window, int width, int height);
void mouse_callback(GLFWwindow* window, double xpos, double ypos);
void processInput(GLFWwindow* window);
void Initialize();
void Render();
void Transform();

int main()
{
	glfwInit();
	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

	GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "XCRender", NULL, NULL);

	if (window == NULL)
	{
		std::cout << "Failed to create GLFW window" << std::endl;
		glfwTerminate();
		return -1;
	}

	glfwMakeContextCurrent(window);
	glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
	glfwSetCursorPosCallback(window, mouse_callback);

	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
	{
		std::cout << "Failed to initialize GLAD" << std::endl;
		return -1;
	}

	Initialize();

	while (!glfwWindowShouldClose(window))
	{
		currentFrame = static_cast<float>(glfwGetTime());
		delta = currentFrame - lastFrame;
		lastFrame = currentFrame;

		processInput(window);
		Render();

		glfwSwapBuffers(window);
		glfwPollEvents();
	}
	glfwTerminate();
	return 0;
}

void processInput(GLFWwindow* window)
{
	if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
		glfwSetWindowShouldClose(window, true);
	if (glfwGetMouseButton(window, 1) == GLFW_FALSE)
		return;
	if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
		camera->Move(CAMERA_FORWARD, delta);
	if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
		camera->Move(CAMERA_BACKWARD, delta);
	if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
		camera->Move(CAMERA_LEFT, delta);
	if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
		camera->Move(CAMERA_RIGHT, delta);
}

void mouse_callback(GLFWwindow* window, double xpos, double ypos)
{
	if (glfwGetMouseButton(window, 1) == GLFW_RELEASE)
	{
		lastMouseX = (int)xpos;
		lastMouseY = (int)ypos;
		return;
	}

	float xoffset = static_cast<float>(xpos - lastMouseX);
	float yoffset = static_cast<float>(ypos - lastMouseY);

	lastMouseX = (int)xpos;
	lastMouseY = (int)ypos;

	camera->Rotate(xoffset, yoffset);
}

void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
	glViewport(0, 0, width, height);
}

void Initialize()
{
	camera = new Camera(glm::vec3(-1, 0, 3), 0, 0);
	model = new Model("res/models/backpack/backpack.obj");
	shader = new Shader("Shaders/vertexshader.glsl", "Shaders/fragmentshader.glsl");
	glEnable(GL_DEPTH_TEST);
}

void Render()
{
	glClearColor(0, 0, 0, 1.0f);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	shader->use();
	Transform();

	shader->setFloat("material.shininess", 32.0f);

	shader->setVec3("dirLight.direction", 0.0f, -1.0f, 0.0f);
	shader->setVec3("dirLight.ambient", 0.1f, 0.1f, 0.1f);
	shader->setVec3("dirLight.diffuse", 0.4f, 0.4f, 0.4f);
	shader->setVec3("dirLight.specular", 0.5f, 0.5f, 0.5f);

	shader->setInt("PointLightNum", 3);

	shader->setVec3("pointLights[0].position", glm::vec3(0.0f, -1.0f, 0.0f));
	shader->setVec3("pointLights[0].ambient", 0.05f, 0.05f, 0.05f);
	shader->setVec3("pointLights[0].diffuse", 0.8f, 0.8f, 0.8f);
	shader->setVec3("pointLights[0].specular", 1.0f, 1.0f, 1.0f);
	shader->setFloat("pointLights[0].constant", 1.0f);
	shader->setFloat("pointLights[0].linear", 0.09f);
	shader->setFloat("pointLights[0].quadratic", 0.032f);

	model->Draw(shader);
}

void Transform()
{
	glm::mat4 projection = glm::perspective(glm::radians(45.0f), (float)SCR_WIDTH / (float)SCR_HEIGHT, 0.1f, 100.0f);
	origine = glm::rotate(origine, glm::radians(-0.01f), glm::vec3(1.0f, 1.0f, 1.0f));
	glm::mat4 modelMat = origine;
	glm::mat4 cameraTrans = camera->GetTrans();
	glm::mat4 view = glm::inverse(cameraTrans);

	shader->setMat4("view", view);
	shader->setMat4("model", modelMat);
	shader->setMat4("projection", projection);
	shader->setVec3("viewPos", camera->GetPos());
}