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Add anchor tests, fix SnapLocalUpToEllipsoidNormal method.
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Source/CesiumRuntime/Private/Tests/CesiumGlobeAnchor.spec.cpp
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| // Copyright 2020-2023 CesiumGS, Inc. and Contributors | ||
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| #include "CesiumGeoreference.h" | ||
| #include "CesiumGlobeAnchorComponent.h" | ||
| #include "CesiumTestHelpers.h" | ||
| #include "CesiumWgs84Ellipsoid.h" | ||
| #include "Misc/AutomationTest.h" | ||
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| BEGIN_DEFINE_SPEC( | ||
| FCesiumGlobeAnchorSpec, | ||
| "Cesium.GlobeAnchor", | ||
| EAutomationTestFlags::ApplicationContextMask | | ||
| EAutomationTestFlags::ProductFilter) | ||
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| TObjectPtr<AActor> pActor; | ||
| TObjectPtr<UCesiumGlobeAnchorComponent> pGlobeAnchor; | ||
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| END_DEFINE_SPEC(FCesiumGlobeAnchorSpec) | ||
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| void FCesiumGlobeAnchorSpec::Define() { | ||
| BeforeEach([this]() { | ||
| UWorld* pWorld = CesiumTestHelpers::getGlobalWorldContext(); | ||
| ACesiumGeoreference* pGeoreference = | ||
| ACesiumGeoreference::GetDefaultGeoreference(pWorld); | ||
| pGeoreference->SetOriginLongitudeLatitudeHeight(FVector(1.0, 2.0, 3.0)); | ||
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| this->pActor = pWorld->SpawnActor<AActor>(); | ||
| this->pActor->AddComponentByClass( | ||
| USceneComponent::StaticClass(), | ||
| false, | ||
| FTransform::Identity, | ||
| false); | ||
| this->pActor->SetActorRelativeTransform(FTransform()); | ||
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| this->pGlobeAnchor = | ||
| Cast<UCesiumGlobeAnchorComponent>(pActor->AddComponentByClass( | ||
| UCesiumGlobeAnchorComponent::StaticClass(), | ||
| false, | ||
| FTransform::Identity, | ||
| false)); | ||
| }); | ||
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||
| It("immediately syncs globe position from transform when added", [this]() { | ||
| TestEqual("Longitude", this->pGlobeAnchor->GetLongitude(), 1.0); | ||
| TestEqual("Latitude", this->pGlobeAnchor->GetLatitude(), 2.0); | ||
| TestEqual("Height", this->pGlobeAnchor->GetHeight(), 3.0); | ||
| }); | ||
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| It("maintains globe position when switching to a new georeference", [this]() { | ||
| FTransform beforeTransform = this->pActor->GetActorTransform(); | ||
| FVector beforeLLH = this->pGlobeAnchor->GetLongitudeLatitudeHeight(); | ||
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| UWorld* pWorld = this->pActor->GetWorld(); | ||
| ACesiumGeoreference* pNewGeoref = pWorld->SpawnActor<ACesiumGeoreference>(); | ||
| pNewGeoref->SetOriginLongitudeLatitudeHeight(FVector(10.0, 20.0, 30.0)); | ||
| this->pGlobeAnchor->SetGeoreference(pNewGeoref); | ||
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| TestEqual( | ||
| "ResolvedGeoreference", | ||
| this->pGlobeAnchor->GetResolvedGeoreference(), | ||
| pNewGeoref); | ||
| TestFalse( | ||
| "Transforms are equal", | ||
| this->pActor->GetActorTransform().Equals(beforeTransform)); | ||
| TestEqual( | ||
| "Globe Position", | ||
| this->pGlobeAnchor->GetLongitudeLatitudeHeight(), | ||
| beforeLLH); | ||
| }); | ||
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| It("updates actor transform when globe anchor position is changed", [this]() { | ||
| FTransform beforeTransform = this->pActor->GetActorTransform(); | ||
| this->pGlobeAnchor->MoveToLongitudeLatitudeHeight(FVector(4.0, 5.0, 6.0)); | ||
| TestEqual( | ||
| "LongitudeLatitudeHeight", | ||
| this->pGlobeAnchor->GetLongitudeLatitudeHeight(), | ||
| FVector(4.0, 5.0, 6.0)); | ||
| TestFalse( | ||
| "Transforms are equal", | ||
| this->pActor->GetActorTransform().Equals(beforeTransform)); | ||
| }); | ||
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| It("updates globe anchor position when actor transform is changed", [this]() { | ||
| FVector beforeLLH = this->pGlobeAnchor->GetLongitudeLatitudeHeight(); | ||
| this->pActor->SetActorLocation(FVector(1000.0, 2000.0, 3000.0)); | ||
| TestNotEqual( | ||
| "globe position", | ||
| this->pGlobeAnchor->GetLongitudeLatitudeHeight(), | ||
| beforeLLH); | ||
| }); | ||
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| It("allows the actor transform to be set when not registered", [this]() { | ||
| FVector beforeLLH = this->pGlobeAnchor->GetLongitudeLatitudeHeight(); | ||
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| this->pGlobeAnchor->UnregisterComponent(); | ||
| this->pActor->SetActorLocation(FVector(1000.0, 2000.0, 3000.0)); | ||
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| // Globe position doesn't initially update while unregistered | ||
| TestEqual( | ||
| "globe position", | ||
| this->pGlobeAnchor->GetLongitudeLatitudeHeight(), | ||
| beforeLLH); | ||
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| // After we re-register, actor transform should be maintained and globe | ||
| // transform should be updated. | ||
| this->pGlobeAnchor->RegisterComponent(); | ||
| TestEqual( | ||
| "actor position", | ||
| this->pActor->GetActorLocation(), | ||
| FVector(1000.0, 2000.0, 3000.0)); | ||
| TestNotEqual( | ||
| "globe position", | ||
| this->pGlobeAnchor->GetLongitudeLatitudeHeight(), | ||
| beforeLLH); | ||
| }); | ||
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| It("adjusts orientation for globe when actor position is set immediately after adding anchor", | ||
| [this]() { | ||
| FRotator beforeRotation = this->pActor->GetActorRotation(); | ||
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| ACesiumGeoreference* pGeoreference = | ||
| this->pGlobeAnchor->GetResolvedGeoreference(); | ||
| this->pActor->SetActorLocation( | ||
| pGeoreference->TransformLongitudeLatitudeHeightPositionToUnreal( | ||
| FVector(90.0, 2.0, 3.0))); | ||
| TestNotEqual( | ||
| "rotation", | ||
| this->pActor->GetActorRotation(), | ||
| beforeRotation); | ||
| }); | ||
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| It("adjusts orientation for globe when globe position is set immediately after adding anchor", | ||
| [this]() { | ||
| FRotator beforeRotation = this->pActor->GetActorRotation(); | ||
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| this->pGlobeAnchor->MoveToLongitudeLatitudeHeight( | ||
| FVector(90.0, 2.0, 3.0)); | ||
| TestNotEqual( | ||
| "rotation", | ||
| this->pActor->GetActorRotation(), | ||
| beforeRotation); | ||
| }); | ||
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| It("does not adjust orientation for globe when that feature is disabled", | ||
| [this]() { | ||
| this->pGlobeAnchor->SetAdjustOrientationForGlobeWhenMoving(false); | ||
| FRotator beforeRotation = this->pActor->GetActorRotation(); | ||
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| ACesiumGeoreference* pGeoreference = | ||
| this->pGlobeAnchor->GetResolvedGeoreference(); | ||
| this->pActor->SetActorLocation( | ||
| pGeoreference->TransformLongitudeLatitudeHeightPositionToUnreal( | ||
| FVector(90.0, 2.0, 3.0))); | ||
| TestEqual("rotation", this->pActor->GetActorRotation(), beforeRotation); | ||
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| this->pGlobeAnchor->MoveToLongitudeLatitudeHeight( | ||
| FVector(45.0, 25.0, 300.0)); | ||
| TestEqual("rotation", this->pActor->GetActorRotation(), beforeRotation); | ||
| }); | ||
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| It("gains correct orientation on call to SnapToEastSouthUp", [this]() { | ||
| ACesiumGeoreference* pGeoreference = | ||
| this->pGlobeAnchor->GetResolvedGeoreference(); | ||
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| this->pGlobeAnchor->MoveToLongitudeLatitudeHeight( | ||
| FVector(-20.0, -10.0, 1000.0)); | ||
| this->pGlobeAnchor->SnapToEastSouthUp(); | ||
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| const FTransform& transform = this->pActor->GetActorTransform(); | ||
| FVector actualEcefEast = | ||
| pGeoreference | ||
| ->TransformUnrealDirectionToEarthCenteredEarthFixed( | ||
| transform.TransformVector(FVector::XAxisVector)) | ||
| .GetSafeNormal(); | ||
| FVector actualEcefSouth = | ||
| pGeoreference | ||
| ->TransformUnrealDirectionToEarthCenteredEarthFixed( | ||
| transform.TransformVector(FVector::YAxisVector)) | ||
| .GetSafeNormal(); | ||
| FVector actualEcefUp = | ||
| pGeoreference | ||
| ->TransformUnrealDirectionToEarthCenteredEarthFixed( | ||
| transform.TransformVector(FVector::ZAxisVector)) | ||
| .GetSafeNormal(); | ||
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| FMatrix enuToEcef = | ||
| UCesiumWgs84Ellipsoid::EastNorthUpToEarthCenteredEarthFixed( | ||
| this->pGlobeAnchor->GetEarthCenteredEarthFixedPosition()); | ||
| FVector expectedEcefEast = | ||
| enuToEcef.TransformVector(FVector::XAxisVector).GetSafeNormal(); | ||
| FVector expectedEcefSouth = | ||
| -enuToEcef.TransformVector(FVector::YAxisVector).GetSafeNormal(); | ||
| FVector expectedEcefUp = | ||
| enuToEcef.TransformVector(FVector::ZAxisVector).GetSafeNormal(); | ||
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| TestEqual("east", actualEcefEast, expectedEcefEast); | ||
| TestEqual("south", actualEcefSouth, expectedEcefSouth); | ||
| TestEqual("up", actualEcefUp, expectedEcefUp); | ||
| }); | ||
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| It("gains correct orientation on call to SnapLocalUpToEllipsoidNormal", | ||
| [this]() { | ||
| ACesiumGeoreference* pGeoreference = | ||
| this->pGlobeAnchor->GetResolvedGeoreference(); | ||
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| this->pGlobeAnchor->MoveToLongitudeLatitudeHeight( | ||
| FVector(-20.0, -10.0, 1000.0)); | ||
| this->pActor->SetActorRotation(FQuat::Identity); | ||
| this->pGlobeAnchor->SnapLocalUpToEllipsoidNormal(); | ||
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| const FTransform& transform = this->pActor->GetActorTransform(); | ||
| FVector actualEcefUp = | ||
| pGeoreference | ||
| ->TransformUnrealDirectionToEarthCenteredEarthFixed( | ||
| transform.TransformVector(FVector::ZAxisVector)) | ||
| .GetSafeNormal(); | ||
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| FVector surfaceNormal = UCesiumWgs84Ellipsoid::GeodeticSurfaceNormal( | ||
| this->pGlobeAnchor->GetEarthCenteredEarthFixedPosition()); | ||
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| TestEqual("up", actualEcefUp, surfaceNormal); | ||
| }); | ||
| } |
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