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FR3D

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FR3D last won the day on March 21 2014

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About FR3D

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    Peon
  • Birthday 08/23/1977

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    sami frederic
  • Location
    uae

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  1. I manage to find a realistic way to position a train properly on a track. (see file attached) Wagon cannot simply be copied on an animated point on a curve as the centre is offset-ed in turns realistically. A path deformer is out of the question because of the deforming geometry This is my solution. 1) I created a 2 point line for each wagon 2) I path deformed the result 3) created a single point for each of those deformed line to copy each wagon onto, with proper vector for the wagon alignement I feel it is very complicated and i am curious for a better solution. If anyone interested to give his input. train_realistic_track.hip
  2. I am doing a simple "Flag" asset with materials , texture and object embedded. All work nicely except for the "POP wind" node i place in my vellum solver which disappear when i bring the digital asset. All the rest works without a problem. What am i doing wrong?
  3. from the doc: When using a Particle SOP or Spring SOP as input, it is important to keep the trail increment to integer values. Otherwise, the trail will not work well. :(
  4. I am doing a small rain system. When i add the trail sop, followed by an add to connect the point with the ID attribute, everything works fine until i set the trail increment to a value different than 1, then it completely breaks. I believe it is because particle are dying, but i cannot figure out how to debug it Trail_sop_issue.hip
  5. I can't make anything follow path correctly, it simply doesnt work or when it works(with a camera) i cannot keyframe the position parameter On null nodes there is no position parameter either What am i missing? EDIT: Thanks to MiesnerMedia 1) Go inside the object you want to constraint to a path 2) create a "constraint (chop network)", go inside and add a path node. 3) select your path object in the SOP path parameter
  6. Hello, For some reason i can't set a keyframe on the position and roll parameter to animate an camera along a path. I works for other param, like transform etc. It has been a persistent issue for a couple of version for me. The issue happens on any object container. Any help would be really appreciated as i am on a tight deadline FOUND A SOLUTION: I added a carve node on the path and animated that instead of the position parameter on the geo. well it works.....
  7. Should we rejoice or be scared for new tech like that. What happens when anyone can do pyro-effect, with a couple of clicks? That said it looks quiet impressive for real time.
  8. I found a clean solution Here is the file. If anyone has a better method that works on broader situations please add to it. thanks confetis.hip
  9. I am trying to blow up multiple groups of particles in a sequence.(boxes of confetti exploding at different times). The activation isn't really the problem as I can use a sop solver within a dop to activate the particles group at different time. The issue is to give them that "initial velocity" at activation time. The only method i found that is working to achieve the effect, was to actually import and merge many popobject and "activate" them one by one in a sequence , with the velocity attribute created at sop level This solution is of course very inconvenient. I attached a clean file, with just the different group all popping at the same time. a solution to have them delayed one after the other would be very welcome I just can't find an elegant method which works procedurally. Thank you for your help confetis.hip
  10. Hello, I would like to know if there is a way to merge my home sop presets with my work sop presets in a simple way. The only solution i came up with for now: Create a file with duplicate of the node with selected presets, opening the file at work and save every node as a preset. It is very inconvenient considering i have tons of presets. Saving to gallery is also very inconvenient at that point. Is it possible to just open the ".idx" file and just copy paste to add presets? Also do you favour save to gallery or save presets per node?
  11. SOLVED 1)you need to create a subnet out of the geometry and the bones all together 2)make sure there is nothing after your deform node on the geometry 3)export the entire subnet as FBX 2014, keep the option as default Hi I scanned forums for hours and didn't find a simple straight answer, neither a simple basic Houdini tutorial as how to do so. Neither on unreal forum, neither here nor sidefx's. -Vertex map texture isn't what i am looking for. -alembic works but i have problem with normals. -i am using unreal 4.17 and i cannot go back to an earlier version at that point. 2)The steps -I am animating an oil pump rig with 3 bones. -I export from houdini via FBX -If i import back in houdini the animation works -if i import in modo, c4d,unreal, there is no animation. -If i export with "export deform as vertex cache" the animation works in c4d but not in modo neither unreal. Thank you for your help oilrig.rar
  12. Power Shot

    Thank you Diego! Well it pretty much died for budget reasons,sadly...
  13. Thank you 3dome. I will clean my file, and share it in the days coming.
  14. Ok, i managed to get the trigonometry formula. Now i have two method. one is Hscript which works perfectly(u can check the measure sop) and the other one is VEX. For some reason the Vex(into a point wrangle)works but is speed up.I am pretty sure it is the same script. Does the wrangle node manage "@frame" differently than "$FF" in hscript? piston trigonometry.hip
  15. I am trying to animate an engine using chops and constraints. I manage to get something quiet close but it isn't accurate(cheat) My main issue is that i cannot find how to use a "look at" in conjunction with some restriction to force the tip of the arm to slide along the Y axis. I tried many other solution as well as trigonometry(which i am not very good at) which i gave up on. i also tried with bones but again my knowledge is close to none in houdini and i wasn't able to restrict bones I wish to achieve the real thing with your help Thank you piston.hip
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