上代码：
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using UnityEngine; using UnityEngine.EventSystems; public class JoystickCtrl : MonoBehaviour, IDragHandler, IPointerUpHandler, IPointerDownHandler { /* component refs */ public RectTransform background; public RectTransform handle; /* public vars */ public float handleLimit = 1f; protected Vector2 inputVector = Vector2.zero; public float Horizontal { get { return inputVector.x; } } public float Vertical { get { return inputVector.y; } } public Vector2 Direction { get { return new Vector2(Horizontal, Vertical); } } public virtual void OnDrag(PointerEventData eventData) { } public virtual void OnPointerDown(PointerEventData eventData) { } public virtual void OnPointerUp(PointerEventData eventData) { } } |
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using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.Events; using UnityEngine.EventSystems; public class JoystickComponentCtrl : JoystickCtrl { /* component refs */ public RectTransform Container; /* private vars */ private Vector2 _joystickCenter = Vector2.zero; private Vector3 _containerDefaultPosition; public UnityEvent OnTap; void Start() { this._containerDefaultPosition = this.Container.position; } public override void OnDrag(PointerEventData eventData) { Vector2 direction = eventData.position - _joystickCenter; inputVector = (direction.magnitude > background.sizeDelta.x / 2f) ? direction.normalized : direction / (background.sizeDelta.x / 2f); handle.anchoredPosition = (inputVector * background.sizeDelta.x / 2f) * handleLimit; } public override void OnPointerDown(PointerEventData eventData) { Container.position = eventData.position; handle.anchoredPosition = Vector2.zero; _joystickCenter = eventData.position; } public override void OnPointerUp(PointerEventData eventData) { Container.position = this._containerDefaultPosition; handle.anchoredPosition = Vector2.zero; inputVector = Vector2.zero; this.OnTap.Invoke(); } } |
GitHub下载地址：
https://github.com/654306663/TwoJoystickPro
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