Line trace ignores a specific object and doesn't work

[srhrs (Sarah)]

Hi!

A strange thing happens with line trace. It works on every object I want to interact, except one type.

I have to change material by clicking on the object; I had opened another thread thinking I was wrong to create the blueprint. I then tried the same code on another mesh and it worked. I decided to open this up so that the question matched the subject.

I have two certainties: the line trace works and the scripting too, so what’s wrong with it?

I suppose, but I am still a beginner, that the line trace doesn’t find the surface to hit because the object is thin even if it has a thickness, it has been solidified. Maybe it’s a problem in the collision? It’s set to use complex collsion as simple.

I hope someone can help me

This is the line trace blueprint

This is the object blueprint

This is the mesh

[chrudimer]

Hi, if you think it is not being hit because its too thin, then you can set it to use simple collision as complex and then add a sufficient large box collision to it (inside the static mesh editor) and then see if it gets hit.

[srhrs (Sarah)]

Thank for your reply!

Unfortunately doesn’t work either with simple collision as complex and a large box collision. Now I’m doing some tests with Blender, maybe the problem is in the mesh? I don’t know…

[srhrs (Sarah)]

UPDATE

Yep, the material actually changed but the wrong one.

My mesh had multiple slots and I didn’t know I would have to specify which one to change.

I added the element index and solved it: