jongjae0305
104 lines
3.3 KiB
C#
104 lines
3.3 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.InputSystem.Layouts;
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using UnityEngine.InputSystem.OnScreen;
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using UnityEngine.UI;
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public enum VirtualDPadDirection { Both, Horizontal, Vertical }
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public class VirtualDPad : OnScreenControl, IPointerDownHandler, IPointerUpHandler, IDragHandler
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{
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[SerializeField] private RectTransform centerArea = null;
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[SerializeField] private RectTransform handle = null;
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[SerializeField] private VirtualDPadDirection direction = VirtualDPadDirection.Both;
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[InputControl(layout = "Vector2")]
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[SerializeField] private string dPadControlPath;
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[SerializeField] private float movementRange = 10f;
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[SerializeField] private float moveThreshold = 0f;
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[SerializeField] private float uiMovementRange = 10f;
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[SerializeField] private bool forceIntValue = true;
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private Vector3 startPos;
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protected override string controlPathInternal
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{
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get => dPadControlPath;
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set => dPadControlPath = value;
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}
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private void Awake()
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{
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if (centerArea == null)
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centerArea = GetComponent<RectTransform>();
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Vector2 center = new Vector2(0.5f, 0.5f);
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centerArea.pivot = center;
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handle.anchorMin = center;
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handle.anchorMax = center;
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handle.pivot = center;
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handle.anchoredPosition = Vector2.zero;
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}
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private void Start()
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{
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startPos = handle.anchoredPosition;
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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if (eventData == null)
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throw new System.ArgumentNullException(nameof(eventData));
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OnDrag(eventData);
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}
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public void OnDrag(PointerEventData eventData)
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{
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if (eventData == null)
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throw new System.ArgumentNullException(nameof(eventData));
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RectTransformUtility.ScreenPointToLocalPointInRectangle(handle.parent.GetComponentInParent<RectTransform>(), eventData.position, eventData.pressEventCamera, out var position);
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Vector2 delta = position;
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if (direction == VirtualDPadDirection.Horizontal) delta.y = 0;
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else if (direction == VirtualDPadDirection.Vertical) delta.x = 0;
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Vector2 buttonDelta = Vector2.ClampMagnitude(delta, uiMovementRange);
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handle.anchoredPosition = startPos + (Vector3)buttonDelta;
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Vector2 newPos = SanitizePosition(delta);
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SendValueToControl(newPos);
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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handle.anchoredPosition = startPos;
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SendValueToControl(Vector2.zero);
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}
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private Vector2 SanitizePosition(Vector2 pos)
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{
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pos = Vector2.ClampMagnitude(pos, movementRange);
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float minMovementRange = this.moveThreshold > movementRange ? movementRange : this.moveThreshold;
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if (pos.x < minMovementRange && pos.x > (minMovementRange * -1)) pos.x = 0;
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if (pos.y < minMovementRange && pos.y > (minMovementRange * -1)) pos.y = 0;
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pos = new Vector2(pos.x / movementRange, pos.y / movementRange);
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if (forceIntValue)
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{
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if (pos.x < 0) pos.x = -1;
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else if (pos.x > 0) pos.x = 1;
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if (pos.y < 0) pos.y = -1;
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else if (pos.y > 0) pos.y = 1;
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}
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return pos;
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}
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}
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