FBoxSphereBounds UDebugSkelMeshComponent::CalcBounds(const FTransform& LocalToWorld) const
{
FBoxSphereBounds Result = Super::CalcBounds(LocalToWorld);
if (! IsUsingInGameBounds())
{
// extend bounds by bones but without root bone
FBox BoundingBox(0);
for (int32 BoneIndex = 1; BoneIndex < SpaceBases.Num(); ++ BoneIndex)
{
BoundingBox += GetBoneMatrix(BoneIndex).GetOrigin();
}
Result = Result + FBoxSphereBounds(BoundingBox);
}
return Result;
}
bool UDebugSkelMeshComponent::CheckIfBoundsAreCorrrect()
{
if (GetPhysicsAsset())
{
bool bWasUsingInGameBounds = IsUsingInGameBounds();
FTransform TempTransform = FTransform::Identity;
UseInGameBounds(true);
FBoxSphereBounds InGameBounds = CalcBounds(TempTransform);
UseInGameBounds(false);
FBoxSphereBounds PreviewBounds = CalcBounds(TempTransform);
UseInGameBounds(bWasUsingInGameBounds);
// calculate again to have bounds as requested
CalcBounds(TempTransform);
// if in-game bounds are of almost same size as preview bounds or bigger, it seems to be fine
if (! InGameBounds.GetSphere().IsInside(PreviewBounds.GetSphere(), PreviewBounds.GetSphere().W * 0.1f) && // for spheres: A.IsInside(B) checks if A is inside of B
! PreviewBounds.GetBox().IsInside(InGameBounds.GetBox().ExpandBy(PreviewBounds.GetSphere().W * 0.1f))) // for boxes: A.IsInside(B) checks if B is inside of A
{
return true;
}
}
return false;
}