69 lines
1.9 KiB
C#
69 lines
1.9 KiB
C#
using System;
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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.EventSystems;
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using UnityEngine.UI;
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public class DynamicJoystick : Joystick
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{
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public float MoveThreshold { get { return moveThreshold; } set { moveThreshold = Mathf.Abs(value); } }
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[SerializeField] private float moveThreshold = 1;
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private Vector3 _initPos;
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private Image _bgImage;
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private Image _hndImage;
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private Color _white = Color.white;
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protected override void Start()
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{
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MoveThreshold = moveThreshold;
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base.Start();
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_bgImage = background.GetComponent<Image>();
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_hndImage = handle.GetComponent<Image>();
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_initPos = background.anchoredPosition;
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SetOpacityJoystick(0.5f);
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//background.gameObject.SetActive(false);
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}
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public override void OnPointerDown(PointerEventData eventData)
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{
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SetOpacityJoystick(1);
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background.anchoredPosition = ScreenPointToAnchoredPosition(eventData.position);
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//background.gameObject.SetActive(true);
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base.OnPointerDown(eventData);
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}
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public override void OnPointerUp(PointerEventData eventData)
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{
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SetOpacityJoystick(0.5f);
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background.anchoredPosition = _initPos;
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//background.gameObject.SetActive(false);
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base.OnPointerUp(eventData);
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}
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protected override void HandleInput(float magnitude, Vector2 normalised, Vector2 radius, Camera cam)
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{
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if (magnitude > moveThreshold)
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{
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Vector2 difference = normalised * (magnitude - moveThreshold) * radius;
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background.anchoredPosition += difference;
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}
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base.HandleInput(magnitude, normalised, radius, cam);
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}
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private void SetOpacityJoystick(float amount)
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{
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_white.a = amount;
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_bgImage.color = _white;
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_hndImage.color = _white;
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}
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} |