41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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[RequireComponent(typeof(ScrollRect))]
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public class ButtonSelectionController : MonoBehaviour
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{
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[SerializeField]
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private float m_lerpTime;
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private ScrollRect m_scrollRect;
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private Button[] m_buttons;
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private int m_index;
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private float m_verticalPosition;
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private bool m_up;
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private bool m_down;
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public void OnEnable()
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{
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m_scrollRect = GetComponent<ScrollRect>();
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m_buttons = GetComponentsInChildren<Button>();
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m_buttons[m_index].Select();
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m_verticalPosition = 1f - ((float)m_index / (m_buttons.Length - 1));
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}
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public void Update()
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{
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if (m_up ^ m_down)
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{
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if (m_up)
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m_index = Mathf.Clamp(m_index - 1, 0, m_buttons.Length - 1);
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else
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m_index = Mathf.Clamp(m_index + 1, 0, m_buttons.Length - 1);
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m_buttons[m_index].Select();
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m_verticalPosition = 1f - ((float)m_index / (m_buttons.Length - 1));
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}
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m_scrollRect.verticalNormalizedPosition = Mathf.Lerp(m_scrollRect.verticalNormalizedPosition, m_verticalPosition, Time.deltaTime / m_lerpTime);
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}
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}
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