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[Bug Report] Box Extents of Box Collision is double size

I've placed a Box Collision as a trigger inside my Blueprint and I just noticed that the scale of the the box is double what you specify in the Box Extents of the collision component. For example, I created a box collision and set the X and Z to 1024 and left the Y at the default value of 32. When I place the BP in the world and then create a Box Brush and give it the same X,Y,Z values of 1024,32,1024, it's half the size (or 1/4 the size in area). This leads me to believe that the scale of the Box Collision is incorrect.

Steps to re-create:

1) Create and Actor BP and add a Box Collision component to it.

2) Select the Box Collision component and in the details panel, set it's Box Extents to X:1024 Y: 32 Z:1024

3) Compile and Save and drag the BP into the world.

4) In the Modes Panel, choose geometry and drag a Box brush into the world. Set the X,Y,Z vales under brush shape to 1024, 32, 1024 and then move it next to the BP Actor.

5) Note that the box brush is 4X smaller than the Box Collision in area, and double the depth making the Box Collision exactly 2X the scale that it is supposed to be.

I was able to re-create this in a clean project.

Product Version: UE 4.18
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asked Mar 03 '18 at 11:43 AM in Bug Reports

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TorQueMoD
1.1k 80 108 142

avatar image Jeff A ♦♦ STAFF Mar 06 '18 at 04:48 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks

avatar image TorQueMoD Mar 11 '18 at 09:01 AM

Thank you.

avatar image MiguelHQ Mar 11 '18 at 01:38 PM

Did you have an answer? do you think this 2 problems might be the same case?(in my case the yellow thing also looked half the size it supposed to look, but I just ignored it)

https://answers.unrealengine.com/questions/767396/is-overlaping-returning-true-when-no-overlap-event.html

https://answers.unrealengine.com/questions/767410/collision-problem-3.html

avatar image TorQueMoD Mar 11 '18 at 07:38 PM

Sorry, no idea. I just submitted the bug as they asked.

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