JohnM Posted January 10, 2018 Share Posted January 10, 2018 Hi! first of all, sorry if ive posted in the wrong section, but i wasnt sure if this was a bug or user error! http://www.babylonjs-playground.com/#825NJL#1 here is a playground of what im trying to do for work, please excuse the eye as i am unable to use the actual texture. its basically a wake for a boat. in the above playground the wake grows in the y axis. but I additionally need it to grow in the x axis but the buttom two verts at a faster rate than the top two. I created a updateParticleVertex function which worked perfectly using Babylon version 3.0 unfortunately I had to update to 3.1.1 (and have also tried 3.2.0-alpha2) which now when i uncomment line 48 - localScene.SPS.computeParticleVertex = true; - it throws the following error - SCRIPT5007: Unable to get property 'length' of undefined or null reference. which points to a minified piece of code even though i downloaded the un minified option ( this is the line it is pointing to if this helps - babylon.custom.js (17,29530)) I am using IE11 (unfortunately) due to customer request. is this a bug or can anyone tell me where my user error is? thanks and please do ask me a question if i am being unclear in any way! Thanks again, John. Quote Link to comment Share on other sites More sharing options...
RaananW Posted January 10, 2018 Share Posted January 10, 2018 pinging @jerome Quote Link to comment Share on other sites More sharing options...
jerome Posted January 10, 2018 Share Posted January 10, 2018 Seems weird indeed ... I'll check this as it seems (probably) related to the particle visibility. Currently my work PC is quite broken, I'll check this asap. [EDIT] anyway, sounds weird because the updateParticleVertex() feature hadn't been modified for ages Quote Link to comment Share on other sites More sharing options...
JohnM Posted January 11, 2018 Author Share Posted January 11, 2018 maybe something is now incompatible with it? it worked perfectly with 3.0 but I had to update as when I used the water material with 3.0 in IE11, i got a float4 issue, which I no longer get in 3.1 + or rather from trying to locate the bug, when i commented out the water material the float4 error went away... but anyways thats not an issue any more Quote Link to comment Share on other sites More sharing options...
jerome Posted January 11, 2018 Share Posted January 11, 2018 ok got it something wrong in the call to computeNormals() in this very case fix in progress [EDIT] PRed Quote Link to comment Share on other sites More sharing options...
GameMonetize Posted January 11, 2018 Share Posted January 11, 2018 and published! Quote Link to comment Share on other sites More sharing options...
JohnM Posted January 15, 2018 Author Share Posted January 15, 2018 awesome, life savers guys! thanks a lot! GameMonetize 1 Quote Link to comment Share on other sites More sharing options...
jerome Posted January 15, 2018 Share Posted January 15, 2018 de nada Quote Link to comment Share on other sites More sharing options...
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