59 lines
1.8 KiB
C#
59 lines
1.8 KiB
C#
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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using Microsoft.MixedReality.Toolkit.Utilities.Editor;
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using UnityEngine.Events;
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namespace Microsoft.MixedReality.Toolkit.UI
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{
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/// <summary>
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/// A basic touch event receiver for detecting Physical Touch state changes in the Interactable
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/// When the physical touch states change, these events are triggered.
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/// </summary>
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public class InteractableOnTouchReceiver : ReceiverBase
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{
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/// <summary>
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/// Invoked when touch has left the object
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/// </summary>
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[InspectorField(Type = InspectorField.FieldTypes.Event, Label = "On Touch End", Tooltip = "Touch has left the object")]
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public UnityEvent OnTouchEnd = new UnityEvent();
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/// <summary>
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/// Invoked when touch begins
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/// </summary>
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public UnityEvent OnTouchStart => uEvent;
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private bool hadTouch;
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/// <summary>
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/// Receiver for raising touch begin and end events
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/// </summary>
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public InteractableOnTouchReceiver(UnityEvent ev) : base(ev, "OnTouch") { }
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/// <summary>
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/// Receiver for raising touch begin and end events
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/// </summary>
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public InteractableOnTouchReceiver() : this(new UnityEvent()) { }
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/// <inheritdoc />
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public override void OnUpdate(InteractableStates state, Interactable source)
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{
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bool hadTouch = state.GetState(InteractableStates.InteractableStateEnum.PhysicalTouch).Value > 0;
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if (this.hadTouch != hadTouch)
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{
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if (hadTouch)
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{
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uEvent.Invoke();
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}
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else
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{
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OnTouchEnd.Invoke();
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}
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}
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this.hadTouch = hadTouch;
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}
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}
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}
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