A lighting system for a billiard table comprising a frame, a plurality of lights disposed in the frame, and at least one lens coupled to the frame. The at least one lens is configured to focus a light produced by at least one light disposed in the frame.

A deck of playing cards is provided in which the cards are each marked with equally-distributed ranks and suits, and are further marked with unequally distributed slot machine symbols. The deck enables games in which hands may be ranked according to whether they constitute winning combination of slot machine symbols combined with their ranking as poker hands. The playing cards may be provided in the form of a physical deck or as digital images shown on a digital display.

A lighting system for a billiard table comprising a frame, a plurality of lights disposed in the frame, and at least one lens coupled to the frame. The at least one lens is configured to focus a light produced by at least one light disposed in the frame.

A method for controlling a virtual character to cast a skill includes: displaying a first virtual character and a skill control configured to cast a ranged skill; in response to detecting a trigger operation on the skill control: displaying a ranged skill indicator to indicate a casting range of the ranged skill based on a user control, the casting range having a first boundary point based on a location of the first virtual character and a second boundary point based on a location of the drag control. The method changes at least one of a shape and an area of the casting range in response to a drag operation on the drag control. The method allows a user to efficiently attack enemy virtual characters in accordance with a determination that locations of the enemy virtual characters are scattered, improving a processing efficiency of an electronic device.