Method genBuffers

src/Scene/Track.cpp:85–168

}

bool Track::genBuffers() {
    glGenVertexArrays(1, &VertexArrayID);
    glBindVertexArray(VertexArrayID);
    // 1st attribute buffer : Vertices
    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
    );
    glEnableVertexAttribArray(0);
    // 2nd attribute buffer : 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
    );
    glEnableVertexAttribArray(1);
    // 3rd attribute buffer : Track 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(
            2,                  // attribute
            3,                  // size
            GL_FLOAT,           // type
            GL_FALSE,           // normalized?
            0,                  // stride
            (void *) 0            // array buffer offset
    );
    glEnableVertexAttribArray(2);
    // 4th attribute buffer : Texture Indices
    glGenBuffers(1, &textureIndexBuffer);
    glBindBuffer(GL_ARRAY_BUFFER, textureIndexBuffer);
    glBufferData(GL_ARRAY_BUFFER, m_texture_indices.size() * sizeof(unsigned int), &m_texture_indices[0], GL_STATIC_DRAW);
    glVertexAttribIPointer(
            3,
            1,
            GL_UNSIGNED_INT,
            0,
            (void *) 0
    );
    glEnableVertexAttribArray(3);
    // 5th attribute buffer : NFS Shading Data
    glGenBuffers(1, &shadingBuffer);
    glBindBuffer(GL_ARRAY_BUFFER, shadingBuffer);
    glBufferData(GL_ARRAY_BUFFER, m_shading_data.size() * sizeof(glm::vec4), &m_shading_data[0], GL_STATIC_DRAW);