billboard.h

#pragma once
 
#include "../rendering/vao.h"
#include "../rendering/texture.h"
#include "../rendering/window.h"
#include "shaderProgram.h"
#include "buffer.h"
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>
#include"camera.h"
namespace Aire
{
    class Billboard {
 
    private:
        Aire::Texture* diffuse;
        Aire::Texture* alpha;
        VertexArrayObject vao;
        glm::vec3 pos;
        Buffer* buffer;
        float scale;
        std::vector<glm::vec3> vertices;
        std::vector<glm::vec2> uvs;
        std::vector<unsigned int> indices;
 
    public:
        Billboard(glm::vec3 p, Texture* diffuse, Texture* alpha);
        ~Billboard();
 
        void render(ShaderProgram& shader, Camera& camera);
        void renderInstanced(ShaderProgram& shader, Camera& camera, glm::mat4 transform);
 
        glm::vec3 getPosition() const;
 
        void setPosition(float x, float y, float z);
 
        void setPosition(glm::vec3 pos);
 
        void setTexture(Texture* ptr);
 
        void setScale(float s);
    };
 
    struct BillboardInstance {
        glm::vec3 position;
        Billboard* billboard;
    };
}