How to get the actor bound's 8 Vertex coordinates

Development Programming & Scripting
1

The I know how to get Actor;s bounds but how to get the bound’s 8 Vertex coordinates.

2

I presume you mean in c++ right?

You can use a mapping and the actor bounds

Code below is for a single actor, YourActor

It is mostly my own code I wrote for a SelectionBox pull request to Epic. The bounds mapping idea was supplied by Epic/James Golding

Enjoy!

//The Actor Bounds Point Mapping
	const FVector BoundsPointMapping[8] =
	{
		FVector(1, 1, 1),
		FVector(1, 1, -1),
		FVector(1, -1, 1),
		FVector(1, -1, -1),
		FVector(-1, 1, 1),
		FVector(-1, 1, -1),
		FVector(-1, -1, 1),
		FVector(-1, -1, -1)
	};

      //Get Actor Bounds				
		const FBox EachActorBounds = YourActor->GetComponentsBoundingBox(true); //All Components 
		
		//Center
		const FVector BoxCenter = EachActorBounds.GetCenter( );
		
		//Extents
		const FVector BoxExtents = EachActorBounds.GetExtent( );
		
		for(uint8 BoundsPointItr = 0; BoundsPointItr < 8; BoundsPointItr++)
		{
			const FVector EachVertex 	= BoxCenter + (BoundsPointMapping[BoundsPointItr] * BoxExtents) );
			//Do something with EachVertex, like draw it
		}
1 Like
3

thank u very much it real worked