Method genBuffers

src/Scene/Quad.cpp:65–110

}

bool Quad::genBuffers() {
    glGenVertexArrays(1, &VertexArrayID);
    glBindVertexArray(VertexArrayID);
    // Verts
    glGenBuffers(1, &vertexbuffer);
    glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
    glBufferData(GL_ARRAY_BUFFER, m_vertices.size() * sizeof(glm::vec3), &m_vertices[0], GL_STATIC_DRAW);
    glVertexAttribPointer(
            0,                  // attribute
            3,                  // size
            GL_FLOAT,           // type
            GL_FALSE,           // normalized?
            0,                  // stride
            (void *) 0            // array buffer offset
    );
    // 1st attribute buffer : Vertices
    glEnableVertexAttribArray(0);
    // UVs
    glGenBuffers(1, &uvbuffer);
    glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
    glBufferData(GL_ARRAY_BUFFER, m_uvs.size() * sizeof(glm::vec2), &m_uvs[0], GL_STATIC_DRAW);
    glVertexAttribPointer(
            1,                                // attribute
            2,                                // size
            GL_FLOAT,                         // type
            GL_FALSE,                         // normalized?
            0,                                // stride
            (void *) 0                          // array buffer offset
    );
    // 2nd attribute buffer : normals
    glEnableVertexAttribArray(1);
    // Normals
    glGenBuffers(1, &normalBuffer);
    glBindBuffer(GL_ARRAY_BUFFER, normalBuffer);
    glBufferData(GL_ARRAY_BUFFER, m_normals.size() * sizeof(glm::vec3), &m_normals[0], GL_STATIC_DRAW);
    glVertexAttribPointer(
            4,                  // attribute
            3,                  // size
            GL_FLOAT,           // type
            GL_FALSE,           // normalized?
            0,                  // stride
            (void *) 0            // array buffer offset
    );
    glBindVertexArray(0);
    return true;
}

Quad::Quad() : super("Quad", std::vector<glm::vec3>(), std::vector<glm::vec2>(), std::vector<glm::vec3>(), std::vector<unsigned int>(), false, glm::vec3(0,0,0)){}