inline void setBackTexture( const GloxTextureRepeat& tex ) { m_back_tex = tex; update_back(); }
static void update_back_layer_B(Layer *me, GContext* ctx) { int image_no = (current % 2 == 1)?current:previous; //"current image" when odd image_no = image_no%CACHE_SIZE; update_back(ctx, image_no); }