nuki Posted March 21, 2018 Share Posted March 21, 2018 (edited) I am following this great talk by Saber Jlassi where he uses noises to distort a volume (around 7:30). I do understand that hes using the aanoise to change his lookup position for the worley noise, but I dont get how he proceeds from there. Volumesample requires a vector input and I dont get how he generates a meaningful position vector from the single float output by the worley noise. volume_rock.hipnc Edited March 21, 2018 by nuki Quote Link to comment Share on other sites More sharing options...
nuki Posted March 23, 2018 Author Share Posted March 23, 2018 (edited) well, after further review it dawned on me that, since hes using a SDF, the worley noise can just be subtracted from the sdf values Edited March 23, 2018 by nuki Quote Link to comment Share on other sites More sharing options...
smbell Posted July 20, 2019 Share Posted July 20, 2019 On 3/22/2018 at 5:43 PM, nuki said: well, after further review it dawned on me that, since hes using a SDF, the worley noise can just be subtracted from the sdf values I've been going down the same route you were trying to figure out how he pulled the rock noise off. Do you think you could elaborate a bit on this? Quote Link to comment Share on other sites More sharing options...
vinyvince Posted January 8, 2020 Share Posted January 8, 2020 Did someone could tell a little more about vy chance ? Quote Link to comment Share on other sites More sharing options...
drøgö Posted January 20, 2020 Share Posted January 20, 2020 Any update on what to link ti the "add" node? Quote Link to comment Share on other sites More sharing options...
drøgö Posted January 20, 2020 Share Posted January 20, 2020 (edited) On 23/3/2018 at 1:43 AM, nuki said: well, after further review it dawned on me that, since hes using a SDF, the worley noise can just be subtracted from the sdf values hei nuki, sorry to bother you- did u figure it out? can you share your node setup? i can't understand what you mean by "the worley noise can just be subtracted from the sdf values" thank you. have a great day, lorenzo Edited January 20, 2020 by drøgö Quote Link to comment Share on other sites More sharing options...
nuki Posted February 25, 2020 Author Share Posted February 25, 2020 On 1/21/2020 at 12:56 AM, drøgö said: hei nuki, sorry to bother you- did u figure it out? can you share your node setup? i can't understand what you mean by "the worley noise can just be subtracted from the sdf values" thank you. have a great day, lorenzo @drøgö sorry for taking so long. What I meant was that, since SDF values just store the distance to the closest surface point, you can just subtract a fog volume from that SDF in order to dent it. Its scale dependant, but that could be compensated by using relbbox. Quote Link to comment Share on other sites More sharing options...
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