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jed last won the day on July 22

jed had the most liked content!

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About jed

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  • Birthday 12/22/1949

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    18.057 Studio
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    Manchester, UK
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    building + repairing computers, C4D
  1. Odometer/Rolling Number Wheels Rig

    As they say on kids TV - here's one I made earlier
  2. Odometer/Rolling Number Wheels Rig

    Not sure where the 44 fits in, but I think this file does what you want ie it turns the 2nd wheel by 44 degs from 90% > 100 %. There's a readout for the 2 rots, and a user data control to turn 1st wheel. Remember that XPresso uses radians not degrees. turn44.c4d
  3. 2nd answer 1st - saving data in user data. Here's an interesting idea I got from a guy called base80 : In XPresso there's a node that can measure the length of a string ie how many characters (including spaces) are in a phrase. But what if the phrase was 'this phrase has 35 characters in it' and you were getting the '35' from XPresso? That would mean connecting the output from the 'length' node at the end the chain of nodes, back to the input at the LHS. Output to input is not allowed in XPresso, because it would create problems, especially for noobs - but looping in programming is one of the most powerful tools. The answer is what base80 called his 'dirty proxy trick' - you get the length from the node, write it to a user data value (at the end) and read it back (at the start). See file https://www.dropbox.com/s/ax4dbteq3ayve7f/base80trick.c4d?dl=1 Using math add, I've made the string 'this phrase has 29 characters'. The '29' is auto generated. If you edit the 1st string to read 'did you know that this phrase has ... etc', and either press 'a' to reload (or jiggle the playhead) you get 'did you know that this phrase has 47 characters'. That should amuse you while I write some Python for your 1st question.
  4. I got lost on question 1. Is object C different to object A ? A = A + B is a loop C = A + B is addition Making the loop scenario only execute when the value to be added changes is easy in Python. make a user data value (real, with no limits) and write to, read back etc.
  5. Make sure TR server and client are allowed, both private and public, in Windows firewall. I use static IP addresses for TR machines - check you have specified the correct ports. There's 10 videos on setting up TR at Cineversity here.
  6. So what's your definition of optical illusion ? To me it's just a bit of deceptive geometry that confuses the brain. You video don't have any ambiguity - looks like a regular animation to me. I do realize that everyone's brain works differently ie some people can't see some illusions. Here I've a stab at the old hollow cubes thing - the cubes flip for me, so is that not an optical illusion either ? I think the trick here is lack of perspective (I used a parallel camera). I used Python to swap the colors - sledgehammer/nut etc. https://www.dropbox.com/s/pudtcdey6i631ln/cubes.c4d?dl=1
  7. couple as in 3 . . .
  8. LOL - I read 'em all, Guardian, Sun . . .
  9. I nicked the idea from this Daily Mail story. I think the illusion is supposed to be the blue and black lines changing length (as opposed to the star thing). I also had a go at animating the out of step wonky bricks thing (there's a building painted with the pattern in the article), but that's still a wip. Here's a still wonky bricks, only circular - needs large monitor There seems to be a lot more to optical illusions than I first imagined. The size of pic and viewing distance plays a part.
  10. Has anyone got this octo running on dynamics ? Getting the legs in sync is harder than I thought. Here's my wonky 1st attempt -
  11. That ball socket was not allowing the spring to change length. I added a slider (you can join slide to turn connectors, but not turn to turn etc) and the spring will now expand and bounce. I also gave the weight some initial Z velocity, and it goes side to side somewhat. It's a fascinating topic - I'm a big fan of C4D dynamics. https://www.dropbox.com/s/91lodminjpgr87m/slider.c4d?dl=1
  12. You could bodge some of the oil tank alignment problems by hiding the dynamic oil tank and having a dummy non-dynamic tank aligned to the spline, with tangent on. I used 98% align. https://www.dropbox.com/s/8urc390vjaye3ft/dummy.c4d?dl=1
  13. I saw an interesting optical illusion animated gif in an online newspaper today, so I thought I'd waste an hour or so recreating it. The key seemed to be using a bit of trig to keep the moving parts a constant width. I've added a 'reveal'. this file has a control panel, so you can play with the parameters - https://www.dropbox.com/s/21rgcyj8xgwyyw7/star.c4d?dl=1 might amuse someone
  14. call-out align to camera

    Try the character constraint tag, up vector. You can set a target and specify one locked axis.
  15. I don't know much about IK, but you can get sound level data by plugging the sound effector into a sample node, then do some math to move stuff. Here I use the data to transition from one vector position to another - https://www.dropbox.com/s/6rw7lcy31y8c3xf/dance.c4d?dl=1