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Laminated barrier-avoiding method for dynamic body

A dynamic obstacle avoidance and entity technology, applied in the field of virtual reality, can solve problems such as low authenticity and easy penetration, and achieve the effects of avoiding motion distortion, improving fidelity, and good versatility

Inactive Publication Date: 2009-08-05
德清中科金融信息技术研究所
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the defects of the existing obstacle avoidance method in the virtual process, such as low authenticity and easy penetration phenomenon, so as to provide a layered obstacle avoidance method

Method used

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  • Laminated barrier-avoiding method for dynamic body

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Embodiment Construction

[0037] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0038]Like the real world, in the virtual world, when a dynamic entity is moving, it may encounter various obstacles, which can be divided into static obstacles and dynamic obstacles according to whether the obstacles move. For dynamic entities, it is relatively simple to avoid static obstacles, while dynamic obstacles may change with time due to changes in position and movement speed, so it is more difficult to avoid dynamic obstacles. Based on the different characteristics of avoiding static obstacles and avoiding dynamic obstacles, the present invention proposes a layered obstacle avoidance method. deal with.

[0039] figure 1 It is a flow chart of the method of the present invention. In the flow chart, boxes with dotted lines indicate corresponding actions, and boxes with solid lines indicate the results obtained after the actions are exec...

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Abstract

A method for making dynamic entity be able to avoid obstacle in layering mode includes selecting out path for avoiding static obstacle from spared environment path at periphery of static obstacle when said dynamic entity enters into scope of static obstacle in static obstacle-avoiding process, calculating collision possibility of said dynamic entity with the other obstacles at each updated period in dynamic obstacle-avoiding process, varying movement speed or direction of dynamic entity which will occur position collision soon till dynamic entity will no longer occur position collision with obstacle.

Description

technical field [0001] The invention relates to the field of virtual reality, in particular to a layered obstacle avoidance method for dynamic entities. Background technique [0002] With the continuous development and popularization of virtual reality technology and computer graphics technology, virtual individual and virtual group simulation are widely used in many fields such as security rehearsal, film and television special effects, animation generation and virtual world construction, and have become a research area in recent years. topics of interest to readers. [0003] In all aspects of virtual individual and virtual group simulation research, the realization of obstacle avoidance of dynamic entities is a key factor to ensure the authenticity of simulation results. Wherein, a dynamic entity refers to a virtual object that can move in a simulated environment, including virtual individuals and movable environment objects. In order to achieve collision avoidance betwe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T15/70G06T13/00
Inventor 毛天露王洁夏时洪王兆其
Owner 德清中科金融信息技术研究所
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