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o3de/Gems/StartingPointCamera/Code/Source/CameraLookAtBehaviors/OffsetPosition.cpp

50 lines
2.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "OffsetPosition.h"
#include <AzCore/Math/Transform.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <AzCore/Serialization/EditContext.h>
#include <AzCore/Math/Quaternion.h>
namespace Camera
{
void OffsetPosition::Reflect(AZ::ReflectContext* reflection)
{
AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(reflection);
if (serializeContext)
{
serializeContext->Class<OffsetPosition>()
->Version(1)
->Field("Positional Offset", &OffsetPosition::m_positionalOffset)
->Field("Offset Is Relative", &OffsetPosition::m_isRelativeOffset);
AZ::EditContext* editContext = serializeContext->GetEditContext();
if (editContext)
{
editContext->Class<OffsetPosition>("OffsetPosition", "Offset the acquired position of the camera's current target")
->ClassElement(AZ::Edit::ClassElements::EditorData, "")
->DataElement(0, &OffsetPosition::m_positionalOffset, "Positional Offset", "The vector offset from the current position")
->DataElement(0, &OffsetPosition::m_isRelativeOffset, "Offset Is Relative", "Uses world coordinates for the offset when false and local coordinates when true");
}
}
}
void OffsetPosition::AdjustLookAtTarget([[maybe_unused]] float deltaTime, [[maybe_unused]] const AZ::Transform& targetTransform, AZ::Transform& outLookAtTargetTransform)
{
if (m_isRelativeOffset)
{
outLookAtTargetTransform.SetTranslation(outLookAtTargetTransform.GetTranslation() + outLookAtTargetTransform.GetRotation().TransformVector(m_positionalOffset));
}
else
{
outLookAtTargetTransform.SetTranslation(outLookAtTargetTransform.GetTranslation() + m_positionalOffset);
}
}
} // namespace Camera