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tears in 3d?
show user profile  aniworld
hi i have a project coming up and i want explore with emotions in 3d, but im kinda stuck on how to create welling of the eyes and tears? im not looking for ultra realism just something that works.

thanks in advanced :)
read 398 times
6/20/2010 12:17:37 PM (last edit: 6/20/2010 12:17:37 PM)
show user profile  Nik Clark
For moist eyes, you can use the "rounded edges, blend with other materials" option in the MentalRay A&D material to make the eyes look like they are welling up. For tears, you could use PFlow to make them follow the surface properly.

read 389 times
6/20/2010 12:45:14 PM (last edit: 6/20/2010 12:45:14 PM)
show user profile  jareu
the welling of tears in an eye is created due to two things, the diffraction of the part of the eye that's covered by the tears by the fluid it'self, and the change in specular properties of the eye as it gets more lubricated. then when the eye cant hold the fluid volume any longer the person bat's their eyes and the fluid is forced down the innermost path of the face, alone the side of the nose etc. when your in the bathroom next, drip some water near your eye and see what path it takes as it drips off your face and keep that in mind.

to achieve this i would have a geometric object the same general shape of the bottom of the eyeball, single sided, created from a plane, but with a water material. Then have the geometry cut off using a slice mod and a shell mod, shifting the position of the slice plane during animation. the tear can be done using pflow, a tear shape with a flat back, and a speed by surface event.
again, diffraction and specular highlights are what you're going for here to simulate moisture

again if your just looking for something that works, create a spline the shape of the edge of the bottom eyelid, and have metaparticles form there bit by bit (blobmesh + pflow) will create the effect of rippling and gathering of fluid

He who says it cannot be done is interrupting the man doing it.

read 375 times
6/20/2010 1:39:10 PM (last edit: 6/20/2010 1:40:33 PM)
show user profile  graphix72
Or if you wanted to go for the anime exaggerated effect, just stick some particle emitters into the eyes and have a huge spray of tears shoot out of each eye like a torrent of water. Why go for the subtle refined look when you can achieve the same with cheap brute force? Muhahahaha!!!

read 366 times
6/20/2010 2:41:16 PM (last edit: 6/20/2010 2:41:16 PM)
show user profile  jareu
your right, they should have used that effect in advent children :P

He who says it cannot be done is interrupting the man doing it.

read 357 times
6/20/2010 3:30:58 PM (last edit: 6/20/2010 3:30:58 PM)
show user profile  graphix72
Ahhhh, Advent Children... I love that film!

read 345 times
6/20/2010 4:19:11 PM (last edit: 6/20/2010 4:19:11 PM)
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