92 lines
2.6 KiB
C#
92 lines
2.6 KiB
C#
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace Unity.VRTemplate
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{
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/// <summary>
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/// Controls the visual states of a boolean toggle switch UI
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/// </summary>
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[RequireComponent(typeof(Toggle))]
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public class BooleanToggleVisualsController : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler
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{
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const float k_TargetPositionX = 17f;
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#pragma warning disable 649
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[SerializeField, Tooltip("The boolean toggle knob.")]
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RectTransform m_Knob;
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[SerializeField, Tooltip("How much to translate the button imagery on the z on hover.")]
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float m_ZTranslation = 5f;
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#pragma warning restore 649
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Toggle m_Toggle;
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float m_InitialBackground;
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Coroutine m_ColorFade;
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Coroutine m_LocalMove;
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void Awake()
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{
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m_Toggle = gameObject.GetComponent<Toggle>();
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//Add listener for when the state of the Toggle changes, to take action
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m_Toggle.onValueChanged.AddListener(ToggleValueChanged);
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if (m_Knob != null)
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{
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m_InitialBackground = m_Knob.localPosition.z;
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}
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}
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void OnEnable()
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{
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ToggleValueChanged(m_Toggle.isOn);
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}
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/// <inheritdoc />
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void IPointerEnterHandler.OnPointerEnter(PointerEventData eventData)
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{
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PerformEntranceActions();
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}
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/// <inheritdoc />
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void IPointerExitHandler.OnPointerExit(PointerEventData eventData)
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{
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PerformExitActions();
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}
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void ToggleValueChanged(bool value)
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{
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if (value)
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{
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m_Knob.localPosition = new Vector3(k_TargetPositionX, m_Knob.localPosition.y, m_Knob.localPosition.z);
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}
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else
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{
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m_Knob.localPosition = new Vector3(-k_TargetPositionX, m_Knob.localPosition.y, m_Knob.localPosition.z);
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}
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}
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void PerformEntranceActions()
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{
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if (m_Knob != null)
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{
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var backgroundLocalPosition = m_Knob.localPosition;
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backgroundLocalPosition.z = m_InitialBackground - m_ZTranslation;
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m_Knob.localPosition = backgroundLocalPosition;
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}
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}
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void PerformExitActions()
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{
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if (m_Knob != null)
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{
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var backgroundLocalPosition = m_Knob.localPosition;
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backgroundLocalPosition.z = m_InitialBackground;
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m_Knob.localPosition = backgroundLocalPosition;
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m_Knob.localScale = Vector3.one;
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}
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}
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}
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}
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