#include "Quad.hh"

#include <glad/gl.h>
#include <GLFW/glfw3.h>

Quad::Quad(std::span<glm::vec2> verts, const Uniform &uniform_data) 
  : m_mesh(verts) {
    m_uniform_data.rotation = uniform_data.rotation;
    m_uniform_data.world_pos = uniform_data.world_pos;
}

glm::vec2 Quad::get_position_vector() {
  return glm::vec2(m_pos_x, m_pos_y);
}

void Quad::draw(){
    float time = glfwGetTime();

    m_rotation = 2*sin(time);

    m_pos_x = 0.25*sin(time);
    m_pos_y = 0.5*cos(time);

    glUniform2f(m_uniform_data.world_pos, m_pos_x, m_pos_y);
    glUniform1f(m_uniform_data.rotation, m_rotation);

    m_mesh.bindVAO();
    glDrawArrays(GL_TRIANGLES, 0, 6);
}