Here's something quick and dirty just I made. http://youtu.be/-77ALwrySsQ Hope this gives you some inspiration.
-manny SI Mobu Support -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Matt Lind Sent: Tuesday, February 11, 2014 5:03 PM To: [email protected] Subject: RE: Survey - how would you do this? Pay up ;-) Matt -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Eric Thivierge Sent: Tuesday, February 11, 2014 12:16 PM To: [email protected] Subject: Re: Survey - how would you do this? $10 says you can't use instances.... On Tuesday, February 11, 2014 3:13:50 PM, Emilio Hernandez wrote: > Well, a quick solution will be > > 1. create a group of asteroids and add the animation of the asteroids. > 2. create the torus that will hold up the asteroids belt. > 3. Instanciate the group of asteroids. > 4. Create a object to cluster constrain of the asteroids group in > dispersed points in the torus. > 5. Randomize the torus to create the jittering of the position of the > asteroids group. > 6. Animate the rotation of the torus. > > > > > > 2014-02-11 14:06 GMT-06:00 Matt Lind <[email protected] > <mailto:[email protected]>>: > > I should probably mention we don’t do realism here. Think comic > book style with a little Anime thrown in.____ > > __ __ > > Given the dimensions of the belt, asteroids could be up to 1 SI > unit in diameter for the really large rocks. The camera might > move through this belt, so the fact they’re small shouldn’t be so > readily dismissed. This isn’t film/video where you can sweep the > stuff you don’t see under the carpet.____ > > __ __ > > __ __ > > Matt____ > > __ __ > > __ __ > > __ __ > > __ __ > > __ __ > > __ __ > > *From:*[email protected] > <mailto:[email protected]> > [mailto:[email protected] > <mailto:[email protected]>] *On Behalf Of > *Bradley Gabe > *Sent:* Tuesday, February 11, 2014 11:48 AM > *To:* [email protected] > <mailto:[email protected]> > > > *Subject:* Re: Survey - how would you do this?____ > > __ __ > > Considering that the typical distance from one asteroid to the > next is many thousands of kilometers, you really shouldn't have > any issues with collisions if you scale them properly. ____ > > __ __ > > At your scale of 40 SI units for the asteroid belt, each asteroid > would be well sub-pixel in diameter anyway, so I would create a > torus to represent the belt, make it only very slightly opaque and > call it a day. ____ > > > > Sent from my iPhone____ > > > On Feb 11, 2014, at 1:23 PM, Matt Lind <[email protected] > <mailto:[email protected]>> wrote:____ > > An artist came to my desk yesterday asking how to do what I > felt was a simple task, but after getting 80% through it I ran > into a speed bump realizing it needed custom scripting or > other advanced tools to fully resolve to satisfaction. I had > to give him a procedure that was ‘good enough’. This problem > has multiple solutions, but I am curious how others would > solve it:____ > > ____ > > The problem:____ > > ____ > > Artist must create an asteroid belt around a planet. The > asteroids are likely 2D sprites which must face the camera and > tumble as they orbit, but could be 3D objects as well. > Asteroids must vary in size, shape, and animation speed > (linear as well as rotational). Asteroids cannot collide with > anything. Movement is generally slow – like a screen saver > for your computer desktop. Asteroid positions are jittered > within the belt.____ > > ____ > > The question:____ > > ____ > > Dispersing objects into a ring is fairly straightforward > through a number of techniques, but how do you apply the > random jitter to the object positions?____ > > ____ > > The rules:____ > > ____ > > __-__Cannot use ICE____ > > __-__Cannot use custom scripts, custom operators, or > shaders.____ > > __-__Must only use tools out of the box that a junior or staff > level artist would know how to use.____ > > __-__Must be able to create the asteroid belt, from scratch to > completion, in less than 30 minutes – and be iteration > friendly to react to art director feedback.____ > > __-__Ideally, the belt could be made a child of the planet in > encompasses so it can be reoriented with respect to changes in > the planet’s size/shape/tilt/orbit.____ > > __-__Final output must be able to exist with full integrity on > its own in a vacuum. Cannot not have dependencies on custom > code, external assets, or special case logic.____ > > __-__Asteroid belt fits within the default grid as seen in the > scene camera. Think torus with diameter 40 SI units, and > cross section of roughly 3 SI Units diameter____ > > ____ > > ____ > > Ready…..GO!____ > > ____ > > ____ > > ____ > > ____ > > Matt____ > >
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