From 593f03efb4996ae8bb8e1f53a55e2ba00e022449 Mon Sep 17 00:00:00 2001 From: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com> Date: Wed, 17 Nov 2021 16:23:01 +0000 Subject: [PATCH] Camera fixes follow-up (#5703) * allow unconstrained camera when tracking transform and fix some camera interpolation issues Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com> * tests for interpolation fixes Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com> * add test for camera constraints change Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com> * updates following review feeedback Signed-off-by: Tom Hulton-Harrop <82228511+hultonha@users.noreply.github.com> --- .../EditorModularViewportCameraComposer.cpp | 19 ++++ .../Lib/Tests/Camera/test_EditorCamera.cpp | 89 +++++++++++++++++-- .../test_ModularViewportCameraController.cpp | 4 +- .../SandboxIntegration.cpp | 6 ++ .../AzFramework/Viewport/CameraInput.cpp | 19 ++-- .../AzFramework/Viewport/CameraInput.h | 1 + .../AzFramework/Tests/CameraInputTests.cpp | 53 +++++++++-- .../ModularViewportCameraController.h | 3 +- ...odularViewportCameraControllerRequestBus.h | 9 +- .../ModularViewportCameraController.cpp | 23 ++++- 10 files changed, 197 insertions(+), 29 deletions(-) diff --git a/Code/Editor/EditorModularViewportCameraComposer.cpp b/Code/Editor/EditorModularViewportCameraComposer.cpp index 5cfb4d2665..f145adf72f 100644 --- a/Code/Editor/EditorModularViewportCameraComposer.cpp +++ b/Code/Editor/EditorModularViewportCameraComposer.cpp @@ -145,6 +145,15 @@ namespace SandboxEditor } }; + const auto trackingTransform = [viewportId = m_viewportId] + { + bool tracking = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + tracking, viewportId, &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::IsTrackingTransform); + + return tracking; + }; + m_firstPersonRotateCamera = AZStd::make_shared(SandboxEditor::CameraFreeLookChannelId()); m_firstPersonRotateCamera->m_rotateSpeedFn = [] @@ -152,6 +161,11 @@ namespace SandboxEditor return SandboxEditor::CameraRotateSpeed(); }; + m_firstPersonRotateCamera->m_constrainPitch = [trackingTransform] + { + return !trackingTransform(); + }; + // default behavior is to hide the cursor but this can be disabled (useful for remote desktop) // note: See CaptureCursorLook in the Settings Registry m_firstPersonRotateCamera->SetActivationBeganFn(hideCursor); @@ -255,6 +269,11 @@ namespace SandboxEditor return SandboxEditor::CameraOrbitYawRotationInverted(); }; + m_orbitRotateCamera->m_constrainPitch = [trackingTransform] + { + return !trackingTransform(); + }; + m_orbitTranslateCamera = AZStd::make_shared( translateCameraInputChannelIds, AzFramework::LookTranslation, AzFramework::TranslateOffsetOrbit); diff --git a/Code/Editor/Lib/Tests/Camera/test_EditorCamera.cpp b/Code/Editor/Lib/Tests/Camera/test_EditorCamera.cpp index 7eb73b64bf..76e23466f7 100644 --- a/Code/Editor/Lib/Tests/Camera/test_EditorCamera.cpp +++ b/Code/Editor/Lib/Tests/Camera/test_EditorCamera.cpp @@ -38,7 +38,9 @@ namespace UnitTest AzFramework::ViewportControllerListPtr m_controllerList; AZStd::unique_ptr m_entity; - static const AzFramework::ViewportId TestViewportId; + static inline constexpr AzFramework::ViewportId TestViewportId = 2345; + static inline constexpr float HalfInterpolateToTransformDuration = + AtomToolsFramework::ModularViewportCameraControllerRequests::InterpolateToTransformDuration * 0.5f; void SetUp() override { @@ -77,8 +79,6 @@ namespace UnitTest } }; - const AzFramework::ViewportId EditorCameraFixture::TestViewportId = AzFramework::ViewportId(1337); - TEST_F(EditorCameraFixture, ModularViewportCameraControllerReferenceFrameUpdatedWhenViewportEntityisChanged) { // Given @@ -149,8 +149,10 @@ namespace UnitTest transformToInterpolateTo); // simulate interpolation - m_controllerList->UpdateViewport({ TestViewportId, AzFramework::FloatSeconds(0.5f), AZ::ScriptTimePoint() }); - m_controllerList->UpdateViewport({ TestViewportId, AzFramework::FloatSeconds(0.5f), AZ::ScriptTimePoint() }); + m_controllerList->UpdateViewport( + { TestViewportId, AzFramework::FloatSeconds(HalfInterpolateToTransformDuration), AZ::ScriptTimePoint() }); + m_controllerList->UpdateViewport( + { TestViewportId, AzFramework::FloatSeconds(HalfInterpolateToTransformDuration), AZ::ScriptTimePoint() }); const auto finalTransform = m_cameraViewportContextView->GetCameraTransform(); @@ -175,14 +177,87 @@ namespace UnitTest transformToInterpolateTo); // simulate interpolation - m_controllerList->UpdateViewport({ TestViewportId, AzFramework::FloatSeconds(0.5f), AZ::ScriptTimePoint() }); - m_controllerList->UpdateViewport({ TestViewportId, AzFramework::FloatSeconds(0.5f), AZ::ScriptTimePoint() }); + m_controllerList->UpdateViewport( + { TestViewportId, AzFramework::FloatSeconds(HalfInterpolateToTransformDuration), AZ::ScriptTimePoint() }); + m_controllerList->UpdateViewport( + { TestViewportId, AzFramework::FloatSeconds(HalfInterpolateToTransformDuration), AZ::ScriptTimePoint() }); const auto finalTransform = m_cameraViewportContextView->GetCameraTransform(); // Then EXPECT_THAT(finalTransform, IsClose(transformToInterpolateTo)); } + + TEST_F(EditorCameraFixture, BeginningCameraInterpolationReturnsTrue) + { + // Given/When + bool interpolationBegan = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + interpolationBegan, TestViewportId, + &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::InterpolateToTransform, + AZ::Transform::CreateTranslation(AZ::Vector3(10.0f, 10.0f, 10.0f))); + + // Then + EXPECT_THAT(interpolationBegan, ::testing::IsTrue()); + } + + TEST_F(EditorCameraFixture, CameraInterpolationDoesNotBeginDuringAnExistingInterpolation) + { + // Given/When + bool initialInterpolationBegan = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + initialInterpolationBegan, TestViewportId, + &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::InterpolateToTransform, + AZ::Transform::CreateTranslation(AZ::Vector3(10.0f, 10.0f, 10.0f))); + + m_controllerList->UpdateViewport( + { TestViewportId, AzFramework::FloatSeconds(HalfInterpolateToTransformDuration), AZ::ScriptTimePoint() }); + + bool nextInterpolationBegan = true; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + nextInterpolationBegan, TestViewportId, + &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::InterpolateToTransform, + AZ::Transform::CreateTranslation(AZ::Vector3(10.0f, 10.0f, 10.0f))); + + bool interpolating = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + interpolating, TestViewportId, &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::IsInterpolating); + + // Then + EXPECT_THAT(initialInterpolationBegan, ::testing::IsTrue()); + EXPECT_THAT(nextInterpolationBegan, ::testing::IsFalse()); + EXPECT_THAT(interpolating, ::testing::IsTrue()); + } + + TEST_F(EditorCameraFixture, CameraInterpolationCanBeginAfterAnInterpolationCompletes) + { + // Given/When + bool initialInterpolationBegan = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + initialInterpolationBegan, TestViewportId, + &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::InterpolateToTransform, + AZ::Transform::CreateTranslation(AZ::Vector3(10.0f, 10.0f, 10.0f))); + + m_controllerList->UpdateViewport( + { TestViewportId, + AzFramework::FloatSeconds(AtomToolsFramework::ModularViewportCameraControllerRequests::InterpolateToTransformDuration + 0.5f), + AZ::ScriptTimePoint() }); + + bool interpolating = true; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + interpolating, TestViewportId, &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::IsInterpolating); + + bool nextInterpolationBegan = false; + AtomToolsFramework::ModularViewportCameraControllerRequestBus::EventResult( + nextInterpolationBegan, TestViewportId, + &AtomToolsFramework::ModularViewportCameraControllerRequestBus::Events::InterpolateToTransform, + AZ::Transform::CreateTranslation(AZ::Vector3(10.0f, 10.0f, 10.0f))); + + // Then + EXPECT_THAT(initialInterpolationBegan, ::testing::IsTrue()); + EXPECT_THAT(interpolating, ::testing::IsFalse()); + EXPECT_THAT(nextInterpolationBegan, ::testing::IsTrue()); + } } // namespace UnitTest // required to support running integration tests with the Camera Gem diff --git a/Code/Editor/Lib/Tests/test_ModularViewportCameraController.cpp b/Code/Editor/Lib/Tests/test_ModularViewportCameraController.cpp index c776a57c13..b796d6506c 100644 --- a/Code/Editor/Lib/Tests/test_ModularViewportCameraController.cpp +++ b/Code/Editor/Lib/Tests/test_ModularViewportCameraController.cpp @@ -74,7 +74,7 @@ namespace UnitTest class ModularViewportCameraControllerFixture : public AllocatorsTestFixture { public: - static const AzFramework::ViewportId TestViewportId; + static inline constexpr AzFramework::ViewportId TestViewportId = 1234; void SetUp() override { @@ -220,8 +220,6 @@ namespace UnitTest AZStd::unique_ptr m_editorModularViewportCameraComposer; }; - const AzFramework::ViewportId ModularViewportCameraControllerFixture::TestViewportId = AzFramework::ViewportId(0); - TEST_F(ModularViewportCameraControllerFixture, MouseMovementDoesNotAccumulateExcessiveDriftInModularViewportCameraWithVaryingDeltaTime) { SandboxEditor::SetCameraCaptureCursorForLook(false); diff --git a/Code/Editor/Plugins/ComponentEntityEditorPlugin/SandboxIntegration.cpp b/Code/Editor/Plugins/ComponentEntityEditorPlugin/SandboxIntegration.cpp index 82d9f9ede2..4aae4191a0 100644 --- a/Code/Editor/Plugins/ComponentEntityEditorPlugin/SandboxIntegration.cpp +++ b/Code/Editor/Plugins/ComponentEntityEditorPlugin/SandboxIntegration.cpp @@ -1675,6 +1675,12 @@ void SandboxIntegrationManager::GoToEntitiesInViewports(const AzToolsFramework:: if (auto viewportContext = viewportContextManager->GetViewportContextById(viewIndex)) { const AZ::Transform cameraTransform = viewportContext->GetCameraTransform(); + // do not attempt to interpolate to where we currently are + if (cameraTransform.GetTranslation().IsClose(center)) + { + continue; + } + const AZ::Vector3 forward = (center - cameraTransform.GetTranslation()).GetNormalized(); // move camera 25% further back than required diff --git a/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp b/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp index 2f637db7cd..771884ac6a 100644 --- a/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp +++ b/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.cpp @@ -313,6 +313,11 @@ namespace AzFramework { return false; }; + + m_constrainPitch = []() constexpr + { + return true; + }; } bool RotateCameraInput::HandleEvents(const InputEvent& event, const ScreenVector& cursorDelta, [[maybe_unused]] const float scrollDelta) @@ -334,7 +339,10 @@ namespace AzFramework nextCamera.m_yaw -= float(cursorDelta.m_x) * rotateSpeed * Invert(m_invertYawFn()); nextCamera.m_yaw = WrapYawRotation(nextCamera.m_yaw); - nextCamera.m_pitch = ClampPitchRotation(nextCamera.m_pitch); + if (m_constrainPitch()) + { + nextCamera.m_pitch = ClampPitchRotation(nextCamera.m_pitch); + } return nextCamera; } @@ -748,14 +756,14 @@ namespace AzFramework Camera SmoothCamera(const Camera& currentCamera, const Camera& targetCamera, const CameraProps& cameraProps, const float deltaTime) { - const auto clamp_rotation = [](const float angle) + const auto clampRotation = [](const float angle) { return AZStd::fmod(angle + AZ::Constants::TwoPi, AZ::Constants::TwoPi); }; // keep yaw in 0 - 360 range - float targetYaw = clamp_rotation(targetCamera.m_yaw); - const float currentYaw = clamp_rotation(currentCamera.m_yaw); + float targetYaw = clampRotation(targetCamera.m_yaw); + const float currentYaw = clampRotation(currentCamera.m_yaw); // return the sign of the float input (-1, 0, 1) const auto sign = [](const float value) @@ -764,8 +772,7 @@ namespace AzFramework }; // ensure smooth transition when moving across 0 - 360 boundary - const float yawDelta = targetYaw - currentYaw; - if (AZStd::abs(yawDelta) >= AZ::Constants::Pi) + if (const float yawDelta = targetYaw - currentYaw; AZStd::abs(yawDelta) >= AZ::Constants::Pi) { targetYaw -= AZ::Constants::TwoPi * sign(yawDelta); } diff --git a/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h b/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h index ad9fed0f5d..4eea94cbe7 100644 --- a/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h +++ b/Code/Framework/AzFramework/AzFramework/Viewport/CameraInput.h @@ -347,6 +347,7 @@ namespace AzFramework AZStd::function m_rotateSpeedFn; AZStd::function m_invertPitchFn; AZStd::function m_invertYawFn; + AZStd::function m_constrainPitch; private: InputChannelId m_rotateChannelId; //!< Input channel to begin the rotate camera input. diff --git a/Code/Framework/AzFramework/Tests/CameraInputTests.cpp b/Code/Framework/AzFramework/Tests/CameraInputTests.cpp index a89fb0bd84..005623677c 100644 --- a/Code/Framework/AzFramework/Tests/CameraInputTests.cpp +++ b/Code/Framework/AzFramework/Tests/CameraInputTests.cpp @@ -104,9 +104,10 @@ namespace UnitTest AZStd::shared_ptr m_orbitCamera; AZ::Vector3 m_pivot = AZ::Vector3::CreateZero(); - //! This is approximately Pi/2 * 1000 - this can be used to rotate the camera 90 degrees (pitch or yaw based - //! on vertical or horizontal motion) as the rotate speed function is set to be 1/1000. - inline static const int PixelMotionDelta = 1570; + // this is approximately Pi/2 * 1000 - this can be used to rotate the camera 90 degrees (pitch or yaw based + // on vertical or horizontal motion) as the rotate speed function is set to be 1/1000. + inline static const int PixelMotionDelta90Degrees = 1570; + inline static const int PixelMotionDelta135Degrees = 2356; }; TEST_F(CameraInputFixture, BeginAndEndOrbitCameraInputConsumesCorrectEvents) @@ -292,7 +293,7 @@ namespace UnitTest HandleEventAndUpdate( AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Right, AzFramework::InputChannel::State::Began }); - HandleEventAndUpdate(AzFramework::HorizontalMotionEvent{ PixelMotionDelta }); + HandleEventAndUpdate(AzFramework::HorizontalMotionEvent{ PixelMotionDelta90Degrees }); const float expectedYaw = AzFramework::WrapYawRotation(-AZ::Constants::HalfPi); @@ -310,7 +311,7 @@ namespace UnitTest HandleEventAndUpdate( AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Right, AzFramework::InputChannel::State::Began }); - HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ PixelMotionDelta }); + HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ PixelMotionDelta90Degrees }); const float expectedPitch = AzFramework::ClampPitchRotation(-AZ::Constants::HalfPi); @@ -331,7 +332,7 @@ namespace UnitTest HandleEventAndUpdate(AzFramework::DiscreteInputEvent{ m_orbitChannelId, AzFramework::InputChannel::State::Began }); HandleEventAndUpdate( AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Left, AzFramework::InputChannel::State::Began }); - HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ PixelMotionDelta }); + HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ PixelMotionDelta90Degrees }); const auto expectedCameraEndingPosition = AZ::Vector3(0.0f, -10.0f, 10.0f); const float expectedPitch = AzFramework::ClampPitchRotation(-AZ::Constants::HalfPi); @@ -354,7 +355,7 @@ namespace UnitTest HandleEventAndUpdate(AzFramework::DiscreteInputEvent{ m_orbitChannelId, AzFramework::InputChannel::State::Began }); HandleEventAndUpdate( AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Left, AzFramework::InputChannel::State::Began }); - HandleEventAndUpdate(AzFramework::HorizontalMotionEvent{ -PixelMotionDelta }); + HandleEventAndUpdate(AzFramework::HorizontalMotionEvent{ -PixelMotionDelta90Degrees }); const auto expectedCameraEndingPosition = AZ::Vector3(20.0f, -5.0f, 0.0f); const float expectedYaw = AzFramework::WrapYawRotation(AZ::Constants::HalfPi); @@ -366,4 +367,42 @@ namespace UnitTest EXPECT_THAT(m_camera.m_offset, IsClose(AZ::Vector3(5.0f, -10.0f, 0.0f))); EXPECT_THAT(m_camera.Translation(), IsCloseTolerance(expectedCameraEndingPosition, 0.01f)); } + + TEST_F(CameraInputFixture, CameraPitchCanNotBeMovedPastNinetyDegreesWhenConstrained) + { + const auto cameraStartingPosition = AZ::Vector3(15.0f, -20.0f, 0.0f); + m_targetCamera.m_pivot = cameraStartingPosition; + + HandleEventAndUpdate( + AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Right, AzFramework::InputChannel::State::Began }); + // pitch by 135.0 degrees + HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ -PixelMotionDelta135Degrees }); + + // clamped to 90.0 degrees + const float expectedPitch = AZ::DegToRad(90.0f); + + using ::testing::FloatNear; + EXPECT_THAT(m_camera.m_pitch, FloatNear(expectedPitch, 0.001f)); + } + + TEST_F(CameraInputFixture, CameraPitchCanBeMovedPastNinetyDegreesWhenUnconstrained) + { + m_firstPersonRotateCamera->m_constrainPitch = [] + { + return false; + }; + + const auto cameraStartingPosition = AZ::Vector3(15.0f, -20.0f, 0.0f); + m_targetCamera.m_pivot = cameraStartingPosition; + + HandleEventAndUpdate( + AzFramework::DiscreteInputEvent{ AzFramework::InputDeviceMouse::Button::Right, AzFramework::InputChannel::State::Began }); + // pitch by 135.0 degrees + HandleEventAndUpdate(AzFramework::VerticalMotionEvent{ -PixelMotionDelta135Degrees }); + + const float expectedPitch = AZ::DegToRad(135.0f); + + using ::testing::FloatNear; + EXPECT_THAT(m_camera.m_pitch, FloatNear(expectedPitch, 0.001f)); + } } // namespace UnitTest diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraController.h b/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraController.h index 65eff30874..45c5394fd8 100644 --- a/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraController.h +++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraController.h @@ -112,7 +112,8 @@ namespace AtomToolsFramework void UpdateViewport(const AzFramework::ViewportControllerUpdateEvent& event) override; // ModularViewportCameraControllerRequestBus overrides ... - void InterpolateToTransform(const AZ::Transform& worldFromLocal) override; + bool InterpolateToTransform(const AZ::Transform& worldFromLocal) override; + bool IsInterpolating() const override; void StartTrackingTransform(const AZ::Transform& worldFromLocal) override; void StopTrackingTransform() override; bool IsTrackingTransform() const override; diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraControllerRequestBus.h b/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraControllerRequestBus.h index 59c13bb4b8..4422751d6b 100644 --- a/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraControllerRequestBus.h +++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraControllerRequestBus.h @@ -23,13 +23,20 @@ namespace AtomToolsFramework class ModularViewportCameraControllerRequests : public AZ::EBusTraits { public: + static inline constexpr float InterpolateToTransformDuration = 1.0f; + using BusIdType = AzFramework::ViewportId; static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById; static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single; //! Begin a smooth transition of the camera to the requested transform. //! @param worldFromLocal The transform of where the camera should end up. - virtual void InterpolateToTransform(const AZ::Transform& worldFromLocal) = 0; + //! @return Returns true if the call began an interpolation and false otherwise. Calls to InterpolateToTransform + //! will have no effect if an interpolation is currently in progress. + virtual bool InterpolateToTransform(const AZ::Transform& worldFromLocal) = 0; + + //! Returns if the camera is currently interpolating to a new transform. + virtual bool IsInterpolating() const = 0; //! Start tracking a transform. //! Store the current camera transform and move to the next camera transform. diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Viewport/ModularViewportCameraController.cpp b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Viewport/ModularViewportCameraController.cpp index e8aca16826..179ccd9fd8 100644 --- a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Viewport/ModularViewportCameraController.cpp +++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Viewport/ModularViewportCameraController.cpp @@ -235,7 +235,10 @@ namespace AtomToolsFramework return t * t * t * (t * (t * 6.0f - 15.0f) + 10.0f); }; - m_cameraAnimation.m_time = AZ::GetClamp(m_cameraAnimation.m_time + event.m_deltaTime.count(), 0.0f, 1.0f); + m_cameraAnimation.m_time = AZ::GetClamp( + m_cameraAnimation.m_time + + (event.m_deltaTime.count() / ModularViewportCameraControllerRequests::InterpolateToTransformDuration), + 0.0f, 1.0f); const auto& [transformStart, transformEnd, animationTime] = m_cameraAnimation; @@ -263,10 +266,22 @@ namespace AtomToolsFramework m_updatingTransformInternally = false; } - void ModularViewportCameraControllerInstance::InterpolateToTransform(const AZ::Transform& worldFromLocal) + bool ModularViewportCameraControllerInstance::InterpolateToTransform(const AZ::Transform& worldFromLocal) { - m_cameraMode = CameraMode::Animation; - m_cameraAnimation = CameraAnimation{ CombinedCameraTransform(), worldFromLocal, 0.0f }; + if (!IsInterpolating()) + { + m_cameraMode = CameraMode::Animation; + m_cameraAnimation = CameraAnimation{ CombinedCameraTransform(), worldFromLocal, 0.0f }; + + return true; + } + + return false; + } + + bool ModularViewportCameraControllerInstance::IsInterpolating() const + { + return m_cameraMode == CameraMode::Animation; } void ModularViewportCameraControllerInstance::StartTrackingTransform(const AZ::Transform& worldFromLocal)