*/
void puff_smoke(); /**< spawn a puff of smoke */
bool get_burning(); /**< returns true if candle is lighted */
void set_burning(bool burning); /**< true: light candle, false: extinguish candle */
*/
void puff_smoke(); /**< spawn a puff of smoke */
bool get_burning(); /**< returns true if candle is lighted */
void set_burning(bool burning); /**< true: light candle, false: extinguish candle */