65 replies to this topic

[chang]

A better one.  No sliding at all.

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[Marc]

hehe... these are fun .

sheesh... I go away to siggraph and this forum explodes... I particularly love this challenge, well done to all who have submitted anything.

Marc

[anakin78z]

sweet.  way to go chang!  

[sirogi]

[QUOTE]Hey, what program did you guys used to output gif animation?

[/CODE]

I went hi and lo, hunted for dozen of share/free-ware.....and then used imagereday that came bundled with photoshop7, it was there all along, and did a short quick sweet job of converting the frames....

no previous training required  :

[TheUsualAlex]

Well, I have to call mine done for now. I couldn't figure out a way to prevent the triangles from sliding... The rest slide a little, but not really noticable unless I close to the objects.

Primarily the circumference formula that got it working, which I belive is probably the same as surflen(). However, there are few things in teh formula that I am still wondering "why". Couldn't come up with an explaination, but it jsut worked.

Wrote a bunch of simple conditional custom expression function just so that I can give some randomness to the trans/rot/scale.

Dealing with the pivot is probably the trickiest. Some how I don't quite remember the pivot in H4 behaving  the same way as H5 did... can any one comfirm this?


anyway, now I just need to figure out how to get it to gif.  
Again, my solution is anything but elegant. It's quite messy, as a metter of fact. It'll be a long while before I got it to the "Jason-elegant" solution. (Howdy, Jason.)

[TheUsualAlex]

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[sirogi]

hmmmm.....ok

...judging by the overwhelming amount of traffic this thread had the past 5 days, I'd say it is time we post our solutiond, don't you agree?...Snej?

[anakin78z]

well, nobody managed to get them rolling on hills   I managed to come up with a particle solution, but I don't have anything good yet.  

But you're probably right... lets start posting them solutions!!!!!!  Wohoo!




Mine was a silly one at first:

rotate the cube by 90 degrees, then pop it back to 0 (so $F%90).  Then, I moved the cube forward by it's length every 90 frames (floor($F/90))
Stupid, I know, but it works.  Well, of course there had to be some modifications to make them different sizes and speeds.  $F turned into a channel reference, and I had to add some multipliers to take the size into considerations.  All in all really simple though.



Cheers!  

Jens

[sirogi]

Quote

rotate the cube by 90 degrees, then pop it back to 0 (so $F%90). Then, I moved the cube forward by it's length every 90 frames (floor($F/90))

same here....except for the fancy expressions....don't ask why....it happened so fast...

enjoy...

Attached Files

•  roll3.zip   12.27K   547 downloads

[TheUsualAlex]

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•  plim_rolling_challange_v2.5.zip   15.13K   520 downloads

[chang]

Sorry, I'm late.  I was off the network.

Here's mine.  The same technique.  90 degree rotation.

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•  roller_bb.zip   37.04K   490 downloads

[Jason]

Ok (he says from the wings) - how about a solution that'll motion-blur correctly? Popping it back is not going to moitonblur nicely at all..