void drawSkybox(float x, float y, float z, float width, float height, float length)
{

    glClearColor(0.0, 0.0, 0.0, 1.0);
    glColor3f(1.0, 1.0, 1.0);
    // Center the Skybox around the given x,y,z position
    x = x - width / 2;
    y = y - height / 2;
    z = z - length / 2;


    // Draw Front side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYFRONT]);
    glBegin(GL_QUADS);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x, y, z + length);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x, y + height, z + length);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x + width, y + height, z + length);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x + width, y, z + length);
    glEnd();

    // Draw Back side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYBACK] + 1);  // IF I ADD +1 HERE, IT WILL GET THE NEXT TEXTURE WHICH IS THE HELI TEXTURE
    glBegin(GL_QUADS);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x + width, y, z);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x + width, y + height, z);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x, y + height, z);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x, y, z);
    glEnd();

    // Draw Left side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYLEFT]);
    glBegin(GL_QUADS);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x, y + height, z);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x, y + height, z + length);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x, y, z + length);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x, y, z);
    glEnd();

    // Draw Right side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYRIGHT]);
    glBegin(GL_QUADS);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x + width, y, z);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x + width, y, z + length);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x + width, y + height, z + length);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x + width, y + height, z);
    glEnd();

    // Draw Up side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYUP]);
    glBegin(GL_QUADS);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x + width, y + height, z);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x + width, y + height, z + length);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x, y + height, z + length);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x, y + height, z);
    glEnd();

    // Draw Down side
    glBindTexture(GL_TEXTURE_2D, SkyboxTexture[SKYDOWN]);
    glBegin(GL_QUADS);
    glTexCoord2f(0.0f, 0.0f); glVertex3f(x, y, z);
    glTexCoord2f(1.0f, 0.0f); glVertex3f(x, y, z + length);
    glTexCoord2f(1.0f, 1.0f); glVertex3f(x + width, y, z + length);
    glTexCoord2f(0.0f, 1.0f); glVertex3f(x + width, y, z);
    glEnd();

}

void render(){

    glClearColor(1.0, 1.0, 1.0, 1.0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    Enables();

    //glBindTexture(GL_TEXTURE_2D, 0);



    if (first_person){
        glRotatef(Xrotation, 1.0, 0.0, 0.0);
        glRotatef(Yrotation, 0.0, 1.0, 0.0);
    }
    else{
        glTranslatef(0.0f, 20.0f, -cRadius);
        glRotatef(Xrotation, 1.0, 0.0, 0.0);
        DrawPlayer();
        glRotatef(Yrotation, 0.0, 1.0, 0.0);
    }

    glTranslated(-Xposition, -Yposition, -Zposition);


//  DrawEntities();
//  drawFilledRect(0, -11, 0, 8192, 8192, RGBf(0.5, 0.5, 0.5));
//  drawCollisionGrid();
//  DrawCubes();
    //DrawTree(quad);


// THIS CALL DOESN'T RENDER THE TEXTURE
    glPushMatrix();
    glTranslatef(1000.0f, 100.0f, 1000);
    mesh->Render();
    glPopMatrix();

// BUT THIS ONE DOES...
    drawSkybox(0, 0, 0, 20000, 20000, 20000);




    // TODO desenhar palavras tem problemas de performance
    //DrawHUD();

    glfwSwapBuffers(window);
}