Game machine, control method of controlling computer and computer program used therein

摘要

A game machine (1) gives a predetermined favor when at least one ball (14) moves on a table (11) and the ball (14) arrives at a ditch (15). And, the game machine (1) includes a camera (16) that acquires object information for distinguishing a state of the ball (14) on the table (11), distinguishes the state of the ball (14) on the table (11), based on the object information acquired by the camera (16), evaluates the state of the ball (14) on the table (11) based on a result of the distinguishing, and gives a change to the state of the ball (14) on the table (11) based on an evaluation result so that the evaluation result changes.