Beginners difficulty with light trigger in Simulation

Development Programming & Scripting Blueprint
1

Hi everybody,

I just got started with Unreal Engine 4 and I’m having some difficulties with the basics.

I created an point light and a Trigger Volume in my scene. Using Blueprint with the Toggle Visibility Component and the On Actor Begin Overlap Component I want the light to turn on/off when I’m entering/leaving the Trigger Volume.

So far so good. This works great when I press the Play Button Menu and in the modes pick „Selected Viewport“. However when I’m trying to use „Simulate“ (or Alt + S) nothing happens. If the light is by default visible it stays on the entire time, and if its by default off I can’t trigger it on.

I suspect some setting within the simulation but I just can’t figure out whats the problem.

Thanks for any help in advance!

2

Hello,
When you simulate, there is no character spawned, then nothing can overlap your trigger.

3

THX for your reply!!!

Is there a way I can change that or is in an simulation always no character spawned??? I guess I’m not quite sure what the purpose of “Simulate” vs “Selected Viewport” is ?!?!

4

Here is a full explanation : https://docs.unrealengine.com/latest/INT/GettingStarted/HowTo/PIE/index.html and In-Editor Testing (Play & Simulate) | Unreal Engine Documentation