DuOtto
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Fill out your copyright notice in the Description page of Project Settings.
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#include "MyGestureActions.h"
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#include "HandActor.h"
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#include "TableIconActor.h"
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#include "MyTableIconActors.h"
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void AGestureAction_Ruler::InitAction_Implementation(AHandActor* Hand, const FGestureBinding& NewBinding, float NewUEUnitsPerUnit, float TableHeight)
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{
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Super::InitAction_Implementation(Hand, NewBinding, NewUEUnitsPerUnit, TableHeight);
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DesiredHeight = -500;
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StartPoint = HandA->Points[8];
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StartPoint.Z = DesiredHeight;
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FActorSpawnParameters SpawnParams;
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SpawnParams.Owner = this;
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SpawnParams.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
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if (LineIconClass)
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{
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LineIcon = GetWorld()->SpawnActor<ATableIconLineActor>(LineIconClass, StartPoint, FRotator::ZeroRotator, SpawnParams);
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if (LineIcon)
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{
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LineIcon->OwningAction = this;
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LineIcon->bPersistOnActionEnd = true;
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LineIcon->LineThickness = 50;
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Icons.Add(LineIcon);
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}
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}
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RulerPoints.Add(FVector::ZeroVector);
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RulerPoints.Add(FVector::ZeroVector);
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if (LabelIconClass)
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{
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LabelIcon = GetWorld()->SpawnActor<ATableIconLabelActor>(LabelIconClass, StartPoint, FRotator::ZeroRotator, SpawnParams);
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if (LabelIcon)
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{
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LabelIcon->OwningAction = this;
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LabelIcon->bPersistOnActionEnd = true;
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LabelIcon->UpdateLabel(StartPoint, 0.f);
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Icons.Add(LabelIcon);
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}
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}
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}
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void AGestureAction_Ruler::UpdateAction_Implementation()
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{
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if (!HandA || !IsValid(LineIcon) || !IsValid(LabelIcon)) return;
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const FVector Current = HandA->Points[8];
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//if (FVector::DistSquared(Current, RulerPoints[RulerPoints.Num() - 1]) < FMath::Square(UEUnitsPerUnit)) return;
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RulerPoints.Last() = Current - StartPoint;
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RulerPoints.Last().Z = 0;
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LineIcon->SetPoints(RulerPoints);
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// RulerPoints are local to the line actor, so convert back to world
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FVector LabelPosition = StartPoint + (RulerPoints.Last() * 0.5f);
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LabelPosition.Z = 10;
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LabelIcon->UpdateLabel(LabelPosition, GetSnappedUnits(GetTotalLength()));
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}
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float AGestureAction_Ruler::GetSnappedUnits(float RawDistance) const
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{
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if (UEUnitsPerUnit <= 0.f) return 0.f;
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return FMath::RoundToFloat(RawDistance / UEUnitsPerUnit);
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}
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float AGestureAction_Ruler::GetTotalLength() const
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{
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float Total = 0.f;
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for (int32 i = 0; i < RulerPoints.Num() - 1; i++)
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Total += FVector::Dist(RulerPoints[i], RulerPoints[i + 1]);
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return Total;
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}
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void AGestureAction_Ruler::AddRulerPoint()
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{
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FVector Current = HandA->Points[8];
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RulerPoints.Add(Current - StartPoint);
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}
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