Geometry.h

#pragma once
#include <vector>
#include <memory>
#include <glm/ext.hpp>
#include <GL/glew.h>

#include "../Material/Material.h"

struct Vertex {
    //Vertex data
    glm::vec3 positions; 
    glm::vec3 normals; 
    glm::vec2 uv; 
};

struct GeometryData {
    //Vertex data

    std::vector<glm::vec3> positions;

    std::vector<glm::vec3> normals;

    std::vector<glm::vec2> uv;

    //Indices
    std::vector<unsigned int> indices; 
};

class Geometry
{
protected:
    glm::mat4 modelMatrix; 
public:
    virtual void draw(glm::mat4 matrix = glm::mat4(1.0f))=0;
    virtual ~Geometry();
};

class ProceduralGeometry : public Geometry
{
public:
    ProceduralGeometry(glm::mat4 modelMatrix, GeometryData& geometryData, std::shared_ptr<Material> material);
    ProceduralGeometry(glm::mat4 modelMatrix, GeometryData& geometryData, std::shared_ptr<Shader> shader);
    virtual ~ProceduralGeometry();

    virtual void draw(glm::mat4 matrix = glm::mat4(1.0f));



    //Construction helper
    static GeometryData createCubeGeometry(float width, float height, float depth);
    static GeometryData createSphereGeometry(float radius, unsigned int longitudeSegments, unsigned int latitudeSegments);
    static void createSphereGeometry(float radius, unsigned int longitudeSegments, unsigned int latitudeSegments, glm::vec3 position, GeometryData& geometry);
    
    static GeometryData createCylinderGeometry(float radius, float height, unsigned int segments);

    static GeometryData createFullScreenQuad();

private:
    bool isEmpty = true;
    //Buffers
    GLuint vao;

    GLuint vboPositions;
    GLuint vboNormals;
    GLuint vboUV;
    GLuint vboIndices;

    //nrOfVertices
    int nrOfVertices;

    //Matrices
    glm::mat4 modelMatrix;

    //Shader and Material stuff like color
    std::shared_ptr<Material> material;
    glm::vec3 color;
};