User interface processing apparatus, method of processing user interface, and program for processing user interface

A user interface processing method of controlling an application, the user interface processing method comprising:

• receiving a touch on a display screen via a first operation by a user for contacting a touch panel;
• detecting a touched position on the display screen when the touch on the display screen is received;
• displaying a virtual controller at a predetermined position on the display screen corresponding to the touched position when the touch on the display screen is received;
• receiving a second operation of the virtual controller displayed on the display screen by the user;
• and
• controlling the application in accordance with the second operation,
• wherein a transparency of the virtual controller is increased or decreased in accordance with a distance between an initial touched position and a current touched position, the initial touched position being a first touched position detected on the display screen when the touch on the display screen is first received, the current touched position being a second touched position on the display screen currently detected after the initial touched position is detected,
• the application is a video game, and a player character is controlled in the video game during a progress of the video game in accordance with the distance between the initial touched position and the current touched position, and
• a movement speed of the player character in the video game is controlled in accordance with the distance between the initial touched position and the current touched position.

A non-transitory computer-readable medium including a computer program product for processing a user interface so as to control an application, the computer program product causing a computer to execute:

• receiving a touch on a display screen via a first operation by a user for contacting a touch panel;
• detecting a touched position on the display screen when the touch on the display screen is received;
• displaying a virtual controller at a predetermined position on the display screen corresponding to the touched position when the touch on the display screen is received;
• receiving a second operation of the virtual controller displayed on the display screen by the user;
• and
• controlling the application in accordance with the second operation,
• wherein a transparency of the virtual controller is increased or decreased in accordance with a distance between an initial touched position and a current touched position, the initial touched position being a first touched position detected on the display screen when the touch on the display screen is first received, the current touched position being a second touched position on the display screen currently detected after the initial touched position is detected,
• the application is a video game, and a player character is controlled in the video game during a progress of the video game in accordance with the distance between the initial touched position and the current touched position, and
• a movement speed of the player character in the video game is controlled in accordance with the distance between the initial touched position and the current touched position.