A Joint Animation Modeling Method in Fluid Environment

A modeling method and fluid technology, applied in the field of virtual reality, can solve problems such as joint animation that is rarely studied, and achieve the effects of improving accuracy and stability, reducing overhead, and improving computing efficiency.

Inactive Publication Date: 2016-07-06
UNIV OF ELECTRONICS SCI & TECH OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the existing technology can achieve a certain degree of interaction, the joint animation under the action of complex scenes is rarely studied, which is due to the limitations of the complex dynamic model and computer hardware and software conditions.

Method used

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  • A Joint Animation Modeling Method in Fluid Environment
  • A Joint Animation Modeling Method in Fluid Environment
  • A Joint Animation Modeling Method in Fluid Environment

Examples

Experimental program
Comparison scheme
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Embodiment

[0086] figure 1 Shown flow chart has provided the concrete process of whole implementation of the present invention:

[0087] According to the flow of the algorithm, this implementation builds the following figure 2 The frame shown is solved. Among them, the data driver, hinge body solver, Lagrangian solver, calculation moment controller, Euler solver, external force solver and external force solver are respectively established, and these solving modules are passed through A data manager that can realize upload and download is connected to realize data transmission and achieve the effect of loose coupling. These modules are described separately in steps 1-8 below.

[0088] Before the algorithm is implemented, it is necessary to use an external configuration file (such as .xml) to store the information of the hinge, the driving function and the model as the initial information of the operation, such as image 3 shown. This part of file information is obtained from the ext...

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Abstract

The invention provides a joint animation modeling technology based on physics in a fluid environment. In order to improve real motion effect of a joint animation under the action of complex field force and to reduce operation expenses, the joint animation modeling technology in the fluid environment comprises the steps that modeling is carried out on drive, the dynamics and the stress effect of a hinge body, and a calculation process of the joint animation based on the forward dynamics in the fluid environment is formed. According to the data drive, due to the fact that an independently-invented controller based on factored moment is used, accuracy and stability of a tracking path are improved; according to the dynamics, due to the fact that the lagrangian dynamics is used for carrying out modeling, cost of variable calculation is reduced, and operation efficiency is improved; according to the external force action, external force of fluid to the hinge body is divided into external force in the normal direction and external force in the tangential direction, and solution is carried out on the external force in the normal direction and the external force in the tangential direction to obtain the more real stress effect. The joint animation modeling technology in the fluid environment can effectively achieve the joint animation which is on the basis of the physics and has the real motion effect.

Description

technical field [0001] The invention belongs to the technical field of virtual reality, and in particular relates to a joint animation modeling method in a fluid environment. Background technique [0002] Joint animation belongs to character animation, which has always been one of the hot spots in the research of virtual reality technology. It comprehensively uses the knowledge of computer science, art, mathematics, physics and other related subjects to generate colorful, continuous and real virtual pictures on the computer, providing people with a new world to fully display their personal imagination and artistic talent. . Joint animation uses joint skeletons to represent the body structure of humans or other skeleton animals, which is the main idea in animation-driven technology. Although computer animation plays an increasingly important role in many fields, many problems are still not well resolved. [0003] Joint animation technology based on physical model is a new ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T13/40G06T17/00
Inventor 卢光辉张昊陈雷霆蔡洪斌曹跃邱航崔金钟
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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