animating curly hair
Why is animating hair so difficult?
if similar locks of hair get moved by the same animations, then the overall effect wouldn't be realistic as each lock of animated hair would move exactly the same and respond to stimuli like water and gravity in the same way;unlike natural looking hair, and this is what makes animating hair all the more challenging
Is there a model for tightly curled hair?
To that end, Kim’s new paper Lifted Curls: A Model for Tightly Coiled Hair Simulation, describes a new physical model that his lab developed for animating tightly curled hair, otherwise known as afro-textured, kinky, or Type 4 hair. This includes how it moves when it is stretched or bent.
Can computer animation create different types of hair?
For all the advances that have been made in computer animation in the last few decades, there are still some physical phenomena that are poorly understood and particularly tricky to capture. One of these is creating different types of hair that look and move realistically.
How do curly hair reshape?
What we found was this. Curly hair forms together in locks that reshape themselves when you pull on them, kind of like a spring. This was great news because springs can be modeled mathematically, meaning we can simulate their behavior using a computer program.
Overview
0 energy points Hayley Iben, a Pixar software engineer, shares how they created realistic curly hair for Merida in Brave. By simulating hair as springs, they captured natural movement and bounce. To prevent curls from unwinding, they added invisible core springs for structure, achieving a wild and free look. khanacademy.org
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