I’m following this YouTube tutorial about making turning corners for endless run game.
Endless Runner: Turning Corners | 06 | v4.7 Tutorial Series | Unreal Engine - YouTube
I’m using the latest UE4 version now.
The tutorial is using the “BP_FloorTile” to Create Child Blueprint Class.
This is what the Construction Script look like for the “BP_FloorTile”.
I don't want the "BP_FloorTile_RightCorner" (Child Blueprint from "BP_FloorTile") to spawn any coins or blocker so I remove the connection.
But after I compile it, the coins or blocker is still spawning… how?
I also found someone who have the same problem as me.
This make me wonder how does "Child Blueprint Class" work?
If you disconnect this
in the parent, does it ( the parent ) still spawn coins?
Do you check it via Simulate or in-game?
Because the Simulate is sometimes buggy - Check this thread
However if it happens in-game then it’s not normal therefore:
1st of all you can try a fresh project and test if the behaviour is same there
-If yes - bug
-If not - BP’s wrong
In case of yes - add a branch with Class Is Child Of to prevent the code to be running on the Child BP’s
In case of no - like said, it’s the BP issue but cannot be in that case 
Sorry for the late reply. If I remove that connection all coins and blocker will be gone from “BP_FloorTile” and all of the Child Blueprint.
I just tested it on actual “Play” and the Coin and blocker are indeed still spawning. What does input “test class” do for “class is child of”? input for the making a class to be a child of a BP parent?
Have you clicked into the link?
Here’s the text from inside of it
> Determine if a class is a child of another class.
So quick and simple - Determine if a Class is a child of another Class…
So to make it even more simple to you - Test Class = self → get class, Parent = Main Floor BP
If it returns false it means it’s the parent itself or you just try to get some unrelated class (which will cause trouble), if true - it’s child of the selected parent
And I just realized something
Do you use the Function/Event of spawning coins anywhere in the Event Graph?
-If yes - that’s the issue
-If not - still weird xD
I see… I think I understand how “Class Is Child Of” work. Yeah… There is a lot of functions on the “BP_FloorTile” I will try checking it.
