yage/render/rectangle.cpp


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#include "rectangle.h"

#include "../data/vertex.h"

#include <glad/glad.h>

#include <cstddef>

namespace yage
{

Rectangle::Rectangle(glm::vec4 position) : position_(position) {}

void Rectangle::render() const
{
    // create vertex array
    GLuint rect_vao, rect_vbo;

    // bind vertex array object
    glGenVertexArrays(1, &rect_vao);
    glBindVertexArray(rect_vao);

    // bind vertex buffer object
    glGenBuffers(1, &rect_vbo);
    glBindBuffer(GL_ARRAY_BUFFER, rect_vbo);

    // enable vertex attribute arrays
    glEnableVertexAttribArray(0);
    glEnableVertexAttribArray(1);

    // set the vertex attribute pointers
    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *)offsetof(Vertex, position));

    glBindVertexArray(0);
}

} // namepsace yage