Field Deformation for Flat Front Curved Back Game View
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Solution Overview
Problem
Conventional game systems struggle to display three-dimensional virtual spaces effectively, particularly in maintaining a comfortable and operable game screen with characters positioned on a field that transitions smoothly from a flat to a curved perspective, which can cause user discomfort and difficulty in operation.
Innovation Solution
An image processing system that positions a field object in a three-dimensional virtual space with an overhead viewpoint, deforms the field object to create a flat front and curved back within the viewer's range of vision, allowing for smooth scrolling and maintaining a clear, operable game screen by dynamically adjusting the field's shape based on the viewer's perspective.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the field object is displayed with a completely curved perspective to enhance three-dimensional depth, then the depth perception is improved, but the operability and user comfort deteriorate due to distortion in the front viewing area
Solution Approach 1:
The field object is divided into different regions with different curvature characteristics: the front portion (within the player character's viewing range) is kept substantially flat for clear visibility and operation, while the rear portion is curved to provide depth perception. This local differentiation of geometric properties resolves the contradiction between operability and three-dimensional effect.
Solution Approach 2:
The field of view is segmented into a front region and a rear region, with distinct rendering approaches applied to each. The front region uses flat projection for clarity, while the rear region uses curved projection for depth, allowing both requirements to be satisfied simultaneously in different spatial zones.
2Ease of operation
If the field object is made completely flat to improve operability, then the ease of operation is improved, but the three-dimensional depth perception deteriorates
Solution Approach 1:
Different geometric properties are applied to different portions of the field: the front portion is flat to ensure operability, while the rear portion is curved to provide depth perspective. This localized application of geometric properties allows both operability and three-dimensional effect to coexist.
3Loss of information
If the viewpoint is positioned overhead to provide a strategic view, then the strategic overview is improved, but the sense of immersion and natural perspective deteriorates
Solution Approach 1:
The viewpoint configuration is made non-uniform: the front portion of the field is viewed from a lower, more natural angle that provides immersion, while the rear portion is viewed from a higher overhead angle that provides strategic overview. This differentiated viewpoint approach resolves the contradiction between immersion and strategic visibility.
Data Source
AI summary
An example system includes: a field arrangement unit for positioning a field object in a three-dimensional virtual space; a viewpoint setting unit for setting a viewpoint in the virtual space so as to have an overhead viewpoint with respect to the field object; a scrolling unit for moving the viewpoint or the field object so as to change an area of the field object included in a range of vision on the basis of the viewpoint set by the viewpoint setting unit; a field deformation unit for deforming a shape of the field object such that a front side of the range of vision becomes flat while a back side of the range of vision is curved in a direction away from the viewpoint in accordance with a movement performed by the scrolling unit; and an image processing unit for generating a two-dimensional image displayed on a display unit.