著者

Xiaobo GAN Kai LENZ Tomoya ITO Yuriko TAKESHIMA Tsukasa KIKUCHI

出版者

Asia Digital Art and Design Association

雑誌

International Journal of Asia Digital Art and Design Association (ISSN:17388074)

巻号頁・発行日

vol.26, no.4, pp.65-74, 2022 (Released:2022-11-23)

参考文献数

29

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In this paper, we propose a new method based on two existing methods for procedural modeling of common rice dishes and aggregates of natural objects such as salmon roe and shaved ice. One existing method, which is the most realistic but also the most time-consuming, uses full-length physical simulation to generate the aggregates. There are two steps: the shape and components specified by the user are used as inputs, the components fall under low gravity into the specified shape, and a full-length physical simulation from the initial state to the stable final state is performed using the XPBD method. This usually takes a few hundred frames. The other existing method is aperiodic space-filling. It has two steps. First, it requires components and shapes to be input by the user, and then it fills the specified shapes with components in a non-overlapping order. Each existing method has its own weaknesses; this paper introduces a new method that combines the advantages of the two existing methods, elastic aggregates based on aperiodic space-filling and XPBD simulation. We perform physical simulations to generate more realistic aggregates with parameters such as friction data input by the user.

著者

Youhei Ishiguro Tsukasa Kikuchi

出版者

The Society for Art and Science

雑誌

芸術科学会論文誌 (ISSN:13472267)

巻号頁・発行日

vol.4, no.4, pp.120-127, 2005 (Released:2008-07-30)

参考文献数

22

被引用文献数

1

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The hands are the most characteristic part of the human body from the standpoint that they are related to other elements through actions like grasping and touching. Several elaborate animation techniques for the hand with 3DCG have recently been proposed, but they are not good enough for simulations of hand touching, which requires simulation of complicated actions and position-dependent elastic forces in the hand. In this report, an algorithm is proposed which the user can operate intuitively for the deformation and the color change of the hand induced by touching. An outline of the algorithm is as follows; 1) elastic deformation, depending on the position of the hands, is controlled by channel images, and 2) color change is expressed by synthesizing three kinds of texture images.