Real-Time Modeling and Animation of Climbing Plants | Two Minute Papers #146

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Real-Time Modeling and Animation of Climbing Plants | Two Minute Papers #146

Two Minute Papers 19.04.2017 39 328 просмотров 1 434 лайков

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Two Minute Papers on Patreon + our technical memos: https://www.patreon.com/TwoMinutePapers https://www.patreon.com/TwoMinutePapers/posts?tag=what%27s%20new The paper "Interactive Modeling and Authoring of Climbing Plants" is available here: http://www.pirk.info/projects/climbing_plants/ WE WOULD LIKE TO THANK OUR GENEROUS PATREON SUPPORTERS WHO MAKE TWO MINUTE PAPERS POSSIBLE: Andrew Melnychuk, Christian Lawson, Daniel John Benton, Dave Rushton-Smith, Sunil Kim, VR Wizard. https://www.patreon.com/TwoMinutePapers Awesome Two Minute Papers merch: http://twominutepapers.com/ Music: Antarctica by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/ Thumbnail background image credit: https://pixabay.com/photo-413686/ Splash screen/thumbnail design: Felícia Fehér - http://felicia.hu Károly Zsolnai-Fehér's links: Facebook → https://www.facebook.com/TwoMinutePapers/ Twitter → https://twitter.com/karoly_zsolnai Web → https://cg.tuwien.ac.at/~zsolnai/

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<Untitled Chapter 1>

Dear Fellow Scholars, this is Two Minute Papers with Károly Zsolnai-Fehér. This paper is about interactively modeling and editing climbing plants.

Plant Seeding

This is one of my favorite kind of works: mundane sounding topic, immaculate execution. There are so many cool things about this paper, I don't even know where to start. But first, let's talk about the modeling part.

Adding Branches

We can, for instance, plant a seed, and we can not only have a look at how it grows as time goes by, but we can also influence the grow variability and shoot growth rates. Branches can be added and removed at will at any point in time. We can also add attractors, regions that are set to be more likely for the plant to grow

Sketching of Attractors

towards. With these techniques, we can easily create any sort of artistic effect, be it highly artificial looking vines and branches, or some long forgotten object overgrown with climbing plants. However, a model is just 3d geometry. What truly makes these models come alive is animation, which is also executed with flying colors. The animations created with this technique are both biologically and physically plausible.

Wind Interaction

So what do these terms mean exactly? Biologically plausible means that the plants grow according to the laws of nature, and physically plausible means that if we start tugging at it, branches start moving, bending

Branch Pruning

and breaking according to the laws of physics. Due to its responsive and interactive nature, the applications of this technique are typically in the domain of architectural visualization, digital storytelling, or any sort of real-time application. And of course, the usual suspects, animated movies and game developers can use this to create more immersive digital environments with ease. And don't forget about me, Károly, who would happily play with this basically all day long.

Dynamic Interaction

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Light Sensitivity

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Species Characteristics

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Material Properties

with your support. The link is in the video description, or you can just click the letter P on the ending screen in a moment. Thanks for watching and for your generous support, and I'll see you next time!

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