45 lines
1.5 KiB
C#
45 lines
1.5 KiB
C#
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using UnityEngine;
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using UnityEngine.EventSystems;
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namespace BulletHellTemplate
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{
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public class Joystick : MonoBehaviour, IDragHandler, IPointerUpHandler, IPointerDownHandler
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{
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[SerializeField] private RectTransform joystickTransform; // Transform do joystick handle
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[SerializeField] private RectTransform backgroundTransform; // Transform do joystick background
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private Vector2 inputVector;
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public float handleLimit = 1.0f;
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public float Horizontal => inputVector.x;
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public float Vertical => inputVector.y;
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private void Start()
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{
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if (backgroundTransform == null)
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backgroundTransform = GetComponent<RectTransform>();
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}
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public void OnDrag(PointerEventData eventData)
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{
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Vector2 direction = eventData.position - RectTransformUtility.WorldToScreenPoint(null, backgroundTransform.position);
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inputVector = (direction.magnitude > backgroundTransform.sizeDelta.x / 2.0f)
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? direction.normalized
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: direction / (backgroundTransform.sizeDelta.x / 2.0f);
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joystickTransform.anchoredPosition = (inputVector * backgroundTransform.sizeDelta.x / 2.0f) * handleLimit;
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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OnDrag(eventData);
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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inputVector = Vector2.zero;
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joystickTransform.anchoredPosition = Vector2.zero;
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}
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}
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}
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