支持虚拟现实3D翘曲视觉反馈

B. Thomas
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引用次数: 1

摘要

卡通动画技术以前被用来增强2D图形用户界面中直接操作的错觉。特别是,动画可以在用户操纵的对象中传达一种物质的感觉。本文将这一概念扩展到虚拟现实领域中操纵的三维图形对象。为了在虚拟现实应用中提供物体交互的视觉反馈,提出了三种使用三维翘曲的效果。这些包括当物体被压在墙上时的挤压,拉伸物体以显示摩擦力,最后,当多个用户在协作环境中操作一个普通物体时的钉住效果。本文接着讨论了构建具有三维动画反馈的系统的一系列重要实现问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Supporting 3D warping visual feedback for virtual reality
Cartoon animation techniques have previously been used to enhance the illusion of direct manipulation in 2D graphical user interfaces. In particular, animation can convey a feeling of substance in the objects being manipulated by the user. The paper presents the expansion of this concept to 3D graphical objects manipulated in a virtual reality domain. Three effects using 3D warping are presented to provide visual feedback of objects interacting in virtual reality applications. These include squashing of an object when pressed against a wall, stretching of an object to show frictional forces, and finally, a pinning effect when multiple users manipulate a common object in a collaborative environment. The paper goes on to discuss a set of important implementation issues for building systems with 3D cartoon animation feedback.
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