Card Casting via Position Selection Control
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Solution Overview
Problem
The existing method of manually dragging cards in game applications is inconvenient, especially for one-hand operation, as it requires a long drag distance and can lead to inaccurate targeting due to operation blockages, making it difficult to select the correct position efficiently.
Innovation Solution
A card casting method that uses a terminal device to display a game application interface with a first card and candidate positions, along with a position selection control featuring trigger regions, allowing users to select a target position through a second operation on the position selection control, thereby casting the card without the need for manual dragging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual dragging is used to select target position, then the card can be cast to any position, but the drag distance is long and operation convenience is poor
Solution Approach 1:
A position selection control interface is introduced as an intermediary between the card and the target position. This control includes trigger regions that correspond to different candidate positions, allowing users to select target positions through localized operations on the control interface rather than dragging the card across the entire display area. The intermediary control mechanism resolves the contradiction by providing a compact selection interface that reduces operation distance while maintaining full position selection capability.
2Productivity
If manual dragging is used to select target position, then the card can be cast to any position, but the operation time is long
Solution Approach 1:
The position selection process is segmented into discrete trigger regions within the position selection control, each corresponding to a specific candidate position. Instead of continuously dragging and searching through the entire display area, users can quickly activate specific trigger regions to select predetermined candidate positions. This segmentation of the selection interface enables faster target position identification and reduces the time required to complete the casting operation.
3Measurement precision
If manual dragging is used to select target position, then the card can be cast to any position, but operation blockages cause inaccurate targeting
Solution Approach 1:
The position selection function is extracted from the card dragging operation and implemented through a separate position selection control interface. By separating the selection mechanism from the card object, the system eliminates blockages that occur when the card itself interferes with the selection process. Users interact with the position selection control through trigger regions that are not blocked by the card's visual presence, ensuring accurate target position selection without operation blockages.
4Measurement precision
If manual dragging is used to select target position, then the card can be cast to any position, but high operation accuracy is required
Solution Approach 1:
The position selection control serves as an intermediary that translates precise card positioning requirements into simplified trigger region activations. Instead of requiring users to accurately drag the card to specific coordinates, the control interface provides discrete trigger regions that correspond to valid candidate positions. Users simply need to activate the appropriate trigger region, which automatically maps to the correct target position, thereby reducing the operational difficulty while maintaining positioning accuracy.
Data Source
AI summary
Disclosed are a card casting method performed by a terminal device, belonging to the fields of Internet and computer technologies. The method includes: displaying a game application interface, the game application interface including a first card and a plurality of candidate positions corresponding to the first card; displaying a position selection control in response to a first operation on the first card, the position selection control including a plurality of trigger regions, each trigger region corresponding to a respective one of the plurality of candidate positions; determining a target position from the plurality of candidate positions in response to a second operation on a corresponding target trigger region of the position selection control; and casting the first card to the target position. The method simplifies the process of casting the first card to the target position in a game application and reducing operation difficulty in casting the first card.