Effects of Wind on Virtual Plants in Animation
Author(s) -
Tina L. M. Derzaph,
Howard J. Hamilton
Publication year - 2013
Publication title -
international journal of computer games technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.248
H-Index - 19
eISSN - 1687-7055
pISSN - 1687-7047
DOI - 10.1155/2013/674848
Subject(s) - plant growth , growth rate , animation , radius , flow (mathematics) , wind speed , elongation , environmental science , meteorology , atmospheric sciences , horticulture , computer science , mathematics , geology , biology , physics , geometry , materials science , computer graphics (images) , composite material , computer security , ultimate tensile strength
This paper presents the Growth-Flow method for animating the effect of wind on the motion and growth of virtual plant branches and leaves. The method incorporates changes to the growth rate when a plant is exposed to winds with speeds higher than a threshold. In particular, growth rate is reduced in branch elongation, increased in the branch radius, reduced in leaf length, and increased in leaf thickness. In addition, when a plant is exposed to wind for long time periods, the branch growth angle is changed to align more closely with the wind vector. The Growth-Flow method incorporates all these effects on growth and motion due to wind in one algorithm
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