Pawn sensing: I want my enemy to be able to see from the back and front

Development World Creation
1

Hello, I’m using the pawn sensing component for an enemy I’m making that follows the player. It works perfectly, but now I want the enemy to be able to see the player from the back and front (As if it had eyes in the back), like I show in the picture attached. The green cone is the current sight radio, and the orange cone is the additional sight radio I want to add. I can’t seem to find a way to point a new sight radio in that direction, is there a workaround or something?

HelpPawnSengingSight.png
HelpPawnSengingSight.png777×565 273 KB

I really appreciate your help.

2

HMMM well i know its possible to add more than one pawn sensing component. surely that would be pointless if you could not rotate them in different directions? sorry i do not have a more useful comment. im going to try and achieve this and let you know how i get on …

3

Yeah that was exactly what I tried to do, but I could only place the second pawn senging in a total vertical position :frowning: I’m starting to considerate to look in the source code or something like that

4

yes sadly i was unable to produce what you need that does not mean it cannot be done however as i am quite new myself

5

Well, finally I’ve made it. I had to download the source code and modified the PawnSensingComponent.cpp, especifically the GetSensorRotation method this way (the bold text is what I added):


FRotator UPawnSensingComponent::GetSensorRotation() const
{
	FRotator SensorRotation(FRotator::ZeroRotator);
	const AActor* SensorActor = GetSensorActor();
	
	if (SensorActor != NULL)
	{
		**if (bCanSeeBack == false)**
			SensorRotation = SensorActor->GetActorRotation();
		**else
			SensorRotation = SensorActor->GetActorRotation() * -1;**
	}
	
	return SensorRotation;
}

Here’s a picture:

TwoPawnSensing.PNG
TwoPawnSensing.PNG830×382 182 KB

However, this workaround only works in a 2D sidescroller enviroment, if the enemy were to move in the XY plane, it wouldn’t work properly.

6

If you still have issues with this, you can also just rotate the enemy to the direction of the player each Tick so it does not need 2 sensing areas. Like this: https://confighub.photos/images/uUpSrJDMNadKIcbnc58cjjZwb.png