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4.18 very serious problem with scaling

My VR game is called CUBE-C, has been released on steam, completely made by blueprint. It game mechanic works fine with the previous version (4.14 4.16 4.17, ). However, at 4.18, my project show fatal mistakes in the following areas:

  • my Pawn old scaling system was completely wrong, I had to reset all the blueprint nodes again(the way I upgrade my character is to enlarge its size);

  • the "AttachToComponent" and "DetachFromActor" node goes completely wrong(on scaled Pawn)! The Actor I attach to my hand is forced to change its size no matter how I set the node("Keep World" and "Keep Relative", the effect of both settings is the same, but the older engine version is not the case).

  • As shown in the second image, there are 3 sizes for the Cube displayed in the picture, one is before Attach, one is Attaching to the hand, one is Detached;

  • I also have a throwing Actor, when it attached to hand it will scale to proper size, and when it detached from hand it scales back to size 1,1,1;

  • In earlier versions, everything is fine when I set to "Keep World".

  • The ratio of many other things is not the same as the old engine.

Since I've added some new content to the game and have been working using 4.18 for a month, I have no way to move the entire project back to 4.17. And I also downloaded the 4.19 Preview1, my project can be opened in 4.19, but when the game runs it crashes every time (everything suddenly stop and not function when the game run, have to close UE4 use Win10 TaskManager), so I do not have hope on 4.19.

However, I think the engine has a big problem with scaling controls, also it is possible because I am a blueprint user, my programming knowledge is too poor to fix this problem. Anyway, my entire game is out of control, hoping to get help here!


ScelePorblemOnAttach and Detach

Product Version: UE 4.18
sclae2.png (24.0 kB)
sclae1.png (752.5 kB)
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asked Jan 23 '18 at 12:50 PM in Bug Reports

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avatar image Sean L ♦♦ STAFF Jan 24 '18 at 02:59 PM


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