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Improve camera orbit behavior (#1060)

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This commit is contained in:
Tom Hulton-Harrop
2021-06-03 15:48:44 +01:00
committed by GitHub
parent f2a7cd9a2d
commit cf08f4dab1
5 changed files with 43 additions and 16 deletions
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Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraController.h
+4 -1
View File
@@ -51,7 +51,8 @@ namespace AtomToolsFramework
void UpdateViewport(const AzFramework::ViewportControllerUpdateEvent& event) override;
// ModularViewportCameraControllerRequestBus overrides ...
void InterpolateToTransform(const AZ::Transform& worldFromLocal) override;
void InterpolateToTransform(const AZ::Transform& worldFromLocal, float lookAtDistance) override;
AZStd::optional<AZ::Vector3> LookAtAfterInterpolation() const override;
private:
// AzFramework::ViewportDebugDisplayEventBus overrides ...
@@ -71,6 +72,8 @@ namespace AtomToolsFramework
AZ::Transform m_transformEnd = AZ::Transform::CreateIdentity();
float m_animationT = 0.0f;
CameraMode m_cameraMode = CameraMode::Control;
AZStd::optional<AZ::Vector3> m_lookAtAfterInterpolation; //!< The look at point after an interpolation has finished.
//!< Will be cleared when the view changes (camera looks away).
bool m_updatingTransform = false;
AZ::RPI::ViewportContext::MatrixChangedEvent::Handler m_cameraViewMatrixChangeHandler;
Gems/Atom/Tools/AtomToolsFramework/Code/Include/AtomToolsFramework/Viewport/ModularViewportCameraControllerRequestBus.h
+6 -1
View File
@@ -32,7 +32,12 @@ namespace AtomToolsFramework
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
//! Begin a smooth transition of the camera to the requested transform.
virtual void InterpolateToTransform(const AZ::Transform& worldFromLocal) = 0;
//! @param worldFromLocal The transform of where the camera should end up.
//! @param lookAtDistance The distance between the camera transform and the imagined look at point.
virtual void InterpolateToTransform(const AZ::Transform& worldFromLocal, float lookAtDistance) = 0;
//! Look at point after an interpolation has finished and no translation has occurred.
virtual AZStd::optional<AZ::Vector3> LookAtAfterInterpolation() const = 0;
protected:
~ModularViewportCameraControllerRequests() = default;