hey hey guys Aleksey from Ace5 studios and on this lovely morning I'm gonna be
showing you how to do a cloth simulation in cinema 4d. this has happened to be the
most popular thing I've ever made this little animation here which shows how to
make a cloth and then simulate it and yeah this thing blew up on Twitter and
Instagram and reddit huge appreciation never had anything liked this many times
really grateful for all you people so I'm gonna make a tutorial on how to make
this cloth honestly I'm not super I haven't been super thrilled with cinemas
cloth system from what I've seen but then I tried this and I played with it
and I watched some people doing stuff in marvellous and thought well let's go and
see it apply see what we can get in cinema and actually turned out pretty
decent at least for making the clothes simulating an animation different story
so let's grab our model here that we have this my new 5J model that I'm
working on and let's start by making a t-shirt now I find the best way to make a
t-shirt is you get a plane and rotate this guy over put him up scale him down
well I'm down a bit so he's they're about the right size like so and now you
want to just go to shift V and turn on filter and.. no, display and select
wireframe so we can see what we're doing here and change this to maybe like 6x6
that's about the right length and then make it editable and go into polygon
mode which is here and use the selection tool to select these guys and we don't
need soft... we don't need the soft selection
we delete them and then we select like oops we select these guys and these
guys and we delete them too and we have our little singlet shape
yeah that's pretty much it this is how we're building it and next we I prefer
to use this way we don't have to but this seems to work pretty well for me
you go into sculpt and you go brushes and you go grab and you go symmetry
and you turn on there you go and now you can shape it a bit if you want and it'll
be symmetrical so that's pretty handy let's pull these down a bit drag this
out doesn't have to be particularly accurate just approximate shape at this
point I think that's gonna work for what we need
pull this down a bit you're gonna really want to look at sewing patterns which is
something that I have to also look into more now the thing is, after we've done this
we will have edges which will be seams, as you saw in the video here see these
ones these ones are gonna get connected and these edges and the other
edges the ones that we that groups the edges, go away, the edges that are not
going to be connected we want to extrude them so we want to go into our edge mode
and select this this this and this and this this this and this and then this
this this just all of these controls select and drag them and actually just
use a move tool and shift double click and select the bottom edge and these
guys now we want to press D and just extrude, there you go until you get this
kind of thing because this will give cloth I find more stability and at the
end it'll give us a nice loop on the outside, and we'll probably want to move
these guys let's get our sculpt tool again make sure you're sculpting in your
front view and just move out like so probably one
needs to be thin up it's really way too thick let's move this guys up there you
go round here and yeah maybe scale it down a bit there you go
okay so once you have this good idea to select all and make this into a
selection so I go to select set selection and also go to edge mode and
these are not the edges we need so just let's get out a rectangular section tool
and just select these guys and these guys and these guys and these guys and
make this also into a set selection so now we have those edges so we can just
double click and select the stuff we need now once you have this guy you're
gonna want to go and flip them around so we'll first move them up here and then
ctrl click and drag here and rotate this guy's to the normals line and then
you're gonna want to go selects this two planes and go right click and connect
objects plus delete and then go to edge mode and we have them selected and go
right click and stitching so actually no we're gonna do first fix these little
points here we don't want let's go into our side of you here let's move these
guys out so they're not sticking out like that cuz we want these lines to be
pretty straight down I think that's it don't worry too much about it being
asymmetrical its close this all gonna go to hell anyway so edge mode right click
and station so and if you just click on drag you're gonna get this kind of lose
this edge so what you wanna do is you wanna shift click and drag and then you
have a new edge here and then shift click and drag make sure these edges are
selected otherwise we're understand what to do
and make sure you of course you drag the corresponding point to the corresponding
point because if you drag this point to the lowland no it still works okay there
you go cinemas nice and smart that way so now
we select these guys and we can just right-click and maybe it's invert
selection and I just need a shortcut it's you I there you go you might want
to right-click and reverse these normals so again they're all together I just
rest control a to select everything and just go back to our selection so it is
gonna be our seam selection and here make sure this thing is not click just
click on empty thing and then click on a plane and go is select and set selection
and call the seams now while you're working it's a good idea to make this
you know let's make it you know and call this old stuff and regularly sort of
control drag and store this stuff in there because you're going to want to
come back to this at some point when things not going too well just put at
the bottom of your hierarchy maybe even call this lucky shirt because often
you're gonna want to come back and change something and this is gonna be
the way you do it you're gonna grab one of these and drag it out so next step is
we need to add a simulation cloth Collider to our body so simulation and
cloth Collider and to our plane we're gonna go simulation and cloth now if we
press play do we get this not caught what we're after
what we're looking for is this very convenient thing where is our cloth
Collider
why can't I see a tag aisle because I did it
I guess attached to the game simulation cloth tag you're gonna go to address her
and you're gonna want to see see pulleys press set well you have these polygons
selected you'll see the little crosses and now press o matic and it'll kind of
come together but see it has this huge outline which isn't really what you want
what you do want is you want to change this width to like one and then you want
to go back to the beginning here I'm press dramatic and it'll squash it
better but it's still huge outlines not really stretchy as though we need it
that's why you go to expert and here switch all these to 0.2 0.2 and 0.2 and
now when we pressed our somatic C now it's much tighter so already good but we
have a slight problem in that it's still very blocky that's okay because we want
to block it out at the beginning because they say we get a shape right and now
this is the very important part of this whole tutorial is we have to set initial
state because now I'm gonna press play we have this shirt falling down and this
is something that I did not know because it's not very well covered I want to
change the shape of this guy now so I want to you know reshape him or I want
to subdivide them so what you have to do is you have to untick enable here on
cloth then you can open your brush tool and get a smear and click somewhere and
make your brush the right size by middle click and dragging I'm plugging the
radius in here and now if you deselect everything you can reshape it so I make
it wider at the bottom because then it comes down in really nice folds that's
what's so you can reshape it here I would even do a bit of a smooth so go
smooth and change the strength down it's like 4 or something and then just there
you go do these kind of things so it's not
intersecting unnecessarily and now to make this work you have to go to dresser
set initial and basic and then turn on and now it works so again we turn this
off we select all the polygons let's go to our polygon mode select all the
polygons and we want to do subdivide press the little gear icon next to it
and smooth subdivision and press one and like see if we right now if we press
this enable and you press play now I actually kind of figure it out didn't
completely go books but sometimes it does like if you turn this off and then
you use the brush tool to smear it at a hundred percent and then you turn this
on you will see that it just snaps back to where it was
that's why you have to smear it and reshape it to the shape that you want
whoops bit of intersection there and then you want to go to a dresser in its
state set and basic turn it on then press play yeah see this is kind of
getting there but it's right now it's a bit too saggy because what we need to
use is in forces here no in tag firstly we want to change the iterations up to
like 15 so now it doesn't stretch as much and second we want to put the size
here down to like 80% on groups 80% and then when you rest play you see it's
shrinks maybe 80 is too much maybe back to 95 nope still too much also you see
it slides around a lot so what you want to do is you want to go to your Collider
here and put your frictions like 99 and you bounce to like five so now when you
press play slides a bit less they're just friction on this thing as well
there you go friction maker it's like 99
still slides that's better so no as you see this is where we're
getting and after you're here you might as well go and subdivide it again so
turn on your cloth and subdivide it again so right-click and subdivide a
little gear make sure it's set to one and smooth subdivision and press ok and
now when you go here dresser set initial and you turn it back on and your tags
you can now press play see now we're getting that thing that we had you know
we're getting a little cloth folds still not enough so we're gonna go back and
we're gonna subdivide it again turn it off select all the polygons right click
subdivide go to dresser set initial basic enable make sure your thing is set
to 95 percent and press play there you go
see but now it stretches a lot so now you want to go get your cloth and you
want to drag this up to like maybe 35 and press play there you go now we're
getting these nice Falls going on here now if you see these blocking thing
that's happening that's because your foam tag here set to 40 you can just
turn off the angle limit there you go and now it's already looking much better
and the reasons yeah now you get these nice like I think these loops are direct
result of us having those loop geometry there without them you wouldn't be
getting these really nice folds here so and once you hear us in a stage as you
like it like this you see that's kind of acting all funky there so
maybe you want to smooth these guys out of it let's get out MC for brush tool
smooth and it's changed like 5% and scroll it down and then let's just move
this guy out no let's give it a bit more by this maybe 100% smooth oh because we
got tennis off first there you go Megan I can see it smoothing now it
looks a bit better okay now is your dresser initial state set basic on
and/or let's press play a game it's the kind of twirling up there
no no what's happening do I decide to now maybe return on self collision
expert self collision press play well that's cool rendering way slower press
it's a bit better it's still squeezing a lot there though yeah just gonna go to
tennis off and I got to get my brush make it bigger and I just could smear
this guy out so it's not so many polygons they're close to each other I
think it's just just stretch them out
let's see what we get okay and again dresser set initial basic tick
enable and press play well they've got cloth going on nice look at that look at
those nice fall toss sweet and no intersection so there you go that's
pretty much how you do it now once you're happy with it it's two up these
things you gotta keep in mind if you set initial here let's also don't forget to
copy and paste this tune into here and don't forget to turn off this tag on
this one now here if you said initial right now for example if I go here and I
go where the dresser and I go set initial and I go back to frame one
you'll see one snap back it'll stay here but if I press play now it'll start
falling again so you got to be careful with it
if you're planning to simulate with a cloth the basically now you can just
delete this tag and there you go you have your cloth you can use a surface de
forma to stick it to your character or anything and you can just go grab the
sculpt tools and go nuts so sculpt tools brushes never here I
used I can use a smooth tool and I can smooth out whatever this thing was here
and I can also use the pool tool I can press W to hide the wireframe and I can
control drag to push in some of these curves or drag them out or add some more
you know exaggerate some of these maybe smooth it out of it and yeah so you can
use that to really sculpt the cloth afterwards also those loops I told you
about before very handy is press W on a wireframe back go to edges oops
and here uses a loop selection tool so the Select and loop selection and just
select some of these guys and holding a shift key you can select this loop
and this loop here oops there you go and the bottom one along the edge and
you can either just extrude these guys or you can go UF and you can click here
and then go UI and there you go you have all of those selected I can just press
the D key for extrude and extrude it just a bit it's too much I just put this
in manually on 0.025 or something and apply a different material to it just
drag material I say now you have this nice kind of edge going along trim and
this is basically this is how you can make a pretty nice-looking cloth
relatively quickly this was 18 minutes with description you got to mess around
a bit like you got you'll see that this time I did a pretty much first try but
before I kept on making different shape t-shirts
I noticed if you make them taper out wider at the bottom and they come down
he's nearly nice falls at the bottom and play with that value for squashing the
cloth together what is it called or the size this is
very important I found this really helped to simulate cloth on the buddy so
yeah that's my approach hope you liked it honestly thanks again for all the
sherry and all the retweeting and the liking of my stuff it was just great I'm
really you know flattered by it if you like this tutorial come check out my
website I have plenty of other tutorials about all kind of stuff rigging
materials characters I also have free rig characters you can download and do
whatever you want with this beefy boney I got a little rig robot Marvin and if
you want to support me I have a whole bunch of stuff for sale Moises stuff
starts at $25 like maybe the big version can be like
$80 or $50 but they you know these packs of 25 bucks each these things 25 bucks
the basic 5 - 25 bucks there's a little 5a sign man that you can animate as well
so yeah and if you can't afford it that's fine
to just you know like my stuff retweet it share with friends you know I
appreciate all that dullness like I got so many likes and retweets from this
video that I that I'm I don't think anything has ever been this popular so
huge thanks to you guys and I'll keep on making much tutorials for you
you
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