Game Device Controller Coordination via Accelerometer Similarity
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Solution Overview
Problem
Conventional video games that require controlling multiple parts of a player object, such as hands and body, often use complex and expensive setups with additional components like cameras, and fail to detect coordinated movement of input devices effectively.
Innovation Solution
A game device and program that uses two input devices with acceleration sensors to calculate the similarity of their movements, allowing for coordinated control of multiple objects in a game, such as hands and torso, without the need for additional components, by determining the degree of similarity between the states of the input devices and adjusting game parameters accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If markers are attached to various parts of the player body or additional components like cameras are used to control multiple parts of the player object, then the ability to control various parts of the player object is improved, but the device complexity and cost increase
Solution Approach 1:
The patent applies universality by enabling two controllers to serve multiple functions: they can independently control hands while also detecting coordinated movements to control the torso. The controllers are designed to detect both individual movements and synchronized movements between both controllers, allowing a single device configuration to control multiple parts of the player object without requiring additional specialized components for each body part.
Solution Approach 2:
The patent merges the functionality of multiple control systems into a single coordinated system. By combining the movement data from both controllers and analyzing their coordination, the system can control both hands and torso simultaneously. The coordination detection mechanism merges information from both controllers to derive torso movement, eliminating the need for separate control mechanisms for each body part.
2Ease of operation
If two controllers are used to control punching actions, then the control of hand movements is improved, but the ability to control other parts of the player object remains insufficient
Solution Approach 1:
The patent applies dynamics by making the function of the controllers adaptable based on the detected movement pattern. When coordinated movement is detected between both controllers, the system dynamically switches from hand-only control to include torso control. The controllers can operate in different modes: independently controlling hands during normal operation, and jointly controlling torso when synchronized movement is detected, providing versatile control capabilities.
Solution Approach 2:
The patent changes the operational parameters of the controllers based on the detected coordination level. By monitoring the synchronization between both controllers, the system adjusts which body parts are controlled - transitioning from controlling only hands to controlling hands plus torso. This parameter change approach allows the same hardware configuration to provide different control functionalities based on how the controllers are being used.
3Measurement precision
If additional components like cameras are added to detect coordinated movement of input devices, then the detection accuracy is improved, but the device complexity and size increase
Solution Approach 1:
The patent applies self-service by enabling the controllers themselves to perform the detection function. Instead of using external cameras to detect coordinated movement, the controllers internally detect their own movement states and the coordination between them. Each controller contains sensors that detect its own movement, and the system analyzes the relationship between these self-detected movements to determine coordination, eliminating the need for external detection devices.
Solution Approach 2:
The patent replaces the mechanical/optical detection system (cameras) with an electronic sensing system integrated into the controllers. By using sensors within the controllers to detect movement and coordination electronically, the system achieves accurate detection of coordinated movement without requiring external optical or mechanical detection equipment, thereby reducing device complexity.
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
Enables players to control multiple objects in a game with a simple configuration using two input devices, providing a challenging and coordinated gameplay experience while preventing unintended actions, and allowing for independent control of game operations.
Implementation Method 1
a pair of (left and right) controllers each including acceleration sensors for three axial directions. The moving direction and the acceleration of the pair of controllers are detected by using the acceleration signals obtained from the controllers
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A game device obtains first data from a first sensor and second data from a second sensor, wherein the first data represents a value according to an orientation or movement of a first input device, and the second data represents a value according to an orientation or movement of the second input device. Moreover, based on the first data and the second data, a degree of similarity between a state of the first input device with respect to the orientation or movement thereof and a state of the second input device with respect to the orientation or movement thereof is calculated. The amount of change by which to change the value of a game parameter used in the game process is calculated based on at least one of the first data and the second data so that the amount of change is greater as the degree of similarity is greater.