Inertial Sensor-Based Sport Game Control System
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Solution Overview
Problem
Current soccer game systems using network operations lack precise control over kick direction, leading to inadequate operability and realism in virtual ball games.
Innovation Solution
A sport game system incorporating an operation device with a first direction input device and inertial sensor, transmitting operation data to a processor that controls a player character's swing action and movement in a virtual space, allowing intuitive and precise direction designation for actions like kicking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional key operations (cross key, operation key, joystick) are used to control player movement and actions, then the device complexity remains low and ease of operation is maintained, but the manufacturing precision of kick direction control deteriorates
Solution Approach 1:
The patent replaces the mechanical control system (cross key, operation key, joystick) with an inertial sensor-based detection system. The operation device includes an inertial sensor that detects the swing direction of the device itself, substituting mechanical input mechanisms with physics-based detection to achieve precise kick direction control without complex mechanical components
Solution Approach 2:
The operation device uses its own swing motion as the input signal. When the user swings the operation device, the inertial sensor detects the swing direction directly from the device's movement, eliminating the need for separate control mechanisms. The device serves itself by converting its own motion into control signals for the player character
2Reliability
If conventional key operations are used for controlling player actions, then the ease of operation is maintained, but the realism of the sport game deteriorates
Solution Approach 1:
The patent replaces artificial mechanical control inputs with natural human motion detection. The inertial sensor captures the user's actual swinging motion, converting real-world physical actions into game controls. This substitution creates a more realistic gaming experience by aligning virtual actions with real-world movements
Solution Approach 2:
The patent segments the control function into two independent components: a direction input device for specifying target direction and an inertial sensor for detecting swing direction. This segmentation allows each component to handle a specific aspect of control, simplifying the overall operation while enhancing realism through natural motion detection
3Ease of operation
If multiple control keys (cross key, operation key, joystick) are used simultaneously, then the versatility of control options is improved, but the ease of operation deteriorates due to the complexity of coordinating multiple inputs
Solution Approach 1:
The patent merges the direction specification function and the action trigger function into a single integrated operation. The direction input device specifies the kick direction, while the inertial sensor detects the swing action, combining what previously required multiple separate controls into one unified input mechanism
Solution Approach 2:
The operation device achieves multi-functionality by incorporating both a direction input device and an inertial sensor. This single device handles both directional control and action triggering, eliminating the need for separate controls while maintaining operational versatility through its dual-functional design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances operability and realism in soccer games by enabling precise control over kick directions and actions, providing a more immersive gaming experience for users.
Implementation Method 1
a first inertial sensor... determines, on the basis of the first inertial data, a swing direction in which the operation device has been swung
Data Source
AI summary
A player character is moved based on an operation performed on a direction input device, the position of a virtual camera is controlled based on the position of the player character, and a swing direction in which an operation device has been swung is determined based on data from an inertial sensor, and causes the player character to perform a swing action of swinging in a direction according to the swing direction. Then, a moving object is moved based on collision determination between the swing action and the moving object, thereby controlling a sport game using the moving object.