Steve Pham
95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include "Gestures_precompiled.h"
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#include "InputChannelGesturePinch.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace Gestures
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{
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using namespace AzFramework;
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////////////////////////////////////////////////////////////////////////////////////////////////
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void InputChannelGesturePinch::TypeAndConfig::Reflect(AZ::ReflectContext* context)
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{
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if (AZ::SerializeContext* serialize = azrtti_cast<AZ::SerializeContext*>(context))
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{
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serialize->Class<TypeAndConfig, Type, Config>()
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->Version(0)
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;
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if (AZ::EditContext* ec = serialize->GetEditContext())
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{
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ec->Class<TypeAndConfig>("Pinch", "Gesture recognizer for pinches.")
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->ClassElement(AZ::Edit::ClassElements::EditorData, "")
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->Attribute(AZ::Edit::Attributes::AutoExpand, true)
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;
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}
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}
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RecognizerPinch::Config::Reflect(context);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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InputChannelGesture* InputChannelGesturePinch::TypeAndConfig::CreateInputChannel(
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const AzFramework::InputChannelId& channelId,
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const AzFramework::InputDevice& inputDevice)
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{
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return aznew InputChannelGesturePinch(channelId, inputDevice, *this);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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InputChannelGesturePinch::InputChannelGesturePinch(const InputChannelId& inputChannelId,
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const InputDevice& inputDevice,
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const Config& config)
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: InputChannelGesture(inputChannelId, inputDevice)
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, RecognizerPinch(config)
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{
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RecognizerPinch::Enable();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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InputChannelGesturePinch::~InputChannelGesturePinch()
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{
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RecognizerPinch::Disable();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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float InputChannelGesturePinch::GetValue() const
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{
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return InputChannel::IsActive() ? GetPinchRatio() : 0.0f;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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const InputChannel::CustomData* InputChannelGesturePinch::GetCustomData() const
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{
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return this;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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void InputChannelGesturePinch::OnContinuousGestureInitiated()
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{
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UpdateNormalizedPositionAndDeltaFromScreenPosition(GetCurrentMidpoint());
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InputChannel::UpdateState(true);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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void InputChannelGesturePinch::OnContinuousGestureUpdated()
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{
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UpdateNormalizedPositionAndDeltaFromScreenPosition(GetCurrentMidpoint());
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InputChannel::UpdateState(true);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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void InputChannelGesturePinch::OnContinuousGestureEnded()
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{
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UpdateNormalizedPositionAndDeltaFromScreenPosition(GetCurrentMidpoint());
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InputChannel::UpdateState(false);
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}
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} // namespace Gestures
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