feat: add reusable virtual hud input
This commit is contained in:
@@ -0,0 +1,498 @@
|
||||
using System;
|
||||
using TMPro;
|
||||
using UnityEngine;
|
||||
using UnityEngine.EventSystems;
|
||||
using UnityEngine.UI;
|
||||
|
||||
namespace XGame.VirtualInput
|
||||
{
|
||||
public enum ActionButtonId
|
||||
{
|
||||
Primary,
|
||||
Skill1,
|
||||
Skill2,
|
||||
Skill3,
|
||||
Skill4
|
||||
}
|
||||
|
||||
public enum ActionButtonPhase
|
||||
{
|
||||
Down,
|
||||
Drag,
|
||||
HoldStart,
|
||||
HoldTick,
|
||||
HoldEnd,
|
||||
Tap,
|
||||
Release,
|
||||
Cancel,
|
||||
Blocked
|
||||
}
|
||||
|
||||
public readonly struct ActionButtonEvent
|
||||
{
|
||||
public ActionButtonEvent(
|
||||
ActionButtonId buttonId,
|
||||
ActionButtonPhase phase,
|
||||
Vector2 screenPosition,
|
||||
Vector2 localVector,
|
||||
Vector2 direction,
|
||||
float distance01,
|
||||
float heldSeconds,
|
||||
bool isCanceled,
|
||||
int pointerId)
|
||||
{
|
||||
ButtonId = buttonId;
|
||||
Phase = phase;
|
||||
ScreenPosition = screenPosition;
|
||||
LocalVector = localVector;
|
||||
Direction = direction;
|
||||
Distance01 = distance01;
|
||||
HeldSeconds = heldSeconds;
|
||||
IsCanceled = isCanceled;
|
||||
PointerId = pointerId;
|
||||
}
|
||||
|
||||
public ActionButtonId ButtonId { get; }
|
||||
public ActionButtonPhase Phase { get; }
|
||||
public Vector2 ScreenPosition { get; }
|
||||
public Vector2 LocalVector { get; }
|
||||
public Vector2 Direction { get; }
|
||||
public float Distance01 { get; }
|
||||
public float HeldSeconds { get; }
|
||||
public bool IsCanceled { get; }
|
||||
public int PointerId { get; }
|
||||
}
|
||||
|
||||
public sealed class VirtualActionButton : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerUpHandler
|
||||
{
|
||||
[SerializeField] public ActionButtonId ButtonId;
|
||||
[SerializeField] private float holdThresholdSeconds = 0.35f;
|
||||
[SerializeField] private float holdTickIntervalSeconds = 0.1f;
|
||||
[SerializeField] private float releaseDistanceThreshold01 = 0.25f;
|
||||
[SerializeField] private float maxDragRadiusMultiplier = 1.5f;
|
||||
|
||||
private Image icon;
|
||||
private Image cooldownMask;
|
||||
private TMP_Text cooldownText;
|
||||
private TMP_Text chargeText;
|
||||
private GameObject aimIndicator;
|
||||
private RectTransform cancelArea;
|
||||
private RectTransform rectTransform;
|
||||
private Button unityButton;
|
||||
private CanvasGroup canvasGroup;
|
||||
|
||||
private bool enabledByState = true;
|
||||
private int charges = -1;
|
||||
private float cooldownRemaining;
|
||||
private float cooldownDuration;
|
||||
private bool pointerDown;
|
||||
private int activePointerId = int.MinValue;
|
||||
private float pointerDownTime;
|
||||
private bool holdStarted;
|
||||
private float nextHoldTickTime;
|
||||
private Vector2 lastScreenPosition;
|
||||
private ActionButtonEvent lastDragEvent;
|
||||
|
||||
private Vector2? screenCenterOverride;
|
||||
private float? screenRadiusOverride;
|
||||
|
||||
public bool IsInteractable => enabledByState && cooldownRemaining <= 0f && charges != 0;
|
||||
public event Action<ActionButtonEvent> ButtonEvent;
|
||||
|
||||
private void Awake()
|
||||
{
|
||||
BindNodes();
|
||||
RefreshVisuals();
|
||||
}
|
||||
|
||||
private void OnDisable()
|
||||
{
|
||||
CancelActivePointer(Time.unscaledTime);
|
||||
SetAimVisible(false);
|
||||
}
|
||||
|
||||
private void Update()
|
||||
{
|
||||
if (cooldownRemaining > 0f)
|
||||
{
|
||||
cooldownRemaining = Mathf.Max(0f, cooldownRemaining - Time.unscaledDeltaTime);
|
||||
RefreshVisuals();
|
||||
}
|
||||
|
||||
if (pointerDown)
|
||||
{
|
||||
MaybeEmitHold(Time.unscaledTime, activePointerId, lastScreenPosition);
|
||||
}
|
||||
}
|
||||
|
||||
public void OnPointerDown(PointerEventData eventData)
|
||||
{
|
||||
HandlePointerDown(eventData.position, eventData.pointerId, Time.unscaledTime);
|
||||
}
|
||||
|
||||
public void OnDrag(PointerEventData eventData)
|
||||
{
|
||||
HandleDrag(eventData.position, eventData.pointerId, Time.unscaledTime);
|
||||
}
|
||||
|
||||
public void OnPointerUp(PointerEventData eventData)
|
||||
{
|
||||
HandlePointerUp(eventData.position, eventData.pointerId, Time.unscaledTime);
|
||||
}
|
||||
|
||||
public void HandlePointerDownForTest(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
HandlePointerDown(screenPosition, pointerId, now);
|
||||
}
|
||||
|
||||
public void HandleDragForTest(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
HandleDrag(screenPosition, pointerId, now);
|
||||
}
|
||||
|
||||
public void HandlePointerUpForTest(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
HandlePointerUp(screenPosition, pointerId, now);
|
||||
}
|
||||
|
||||
public void SetCooldown(float remainingSeconds, float durationSeconds)
|
||||
{
|
||||
cooldownRemaining = Mathf.Max(0f, remainingSeconds);
|
||||
cooldownDuration = Mathf.Max(0f, durationSeconds);
|
||||
RefreshVisuals();
|
||||
}
|
||||
|
||||
public void SetCharges(int count)
|
||||
{
|
||||
charges = count;
|
||||
RefreshVisuals();
|
||||
}
|
||||
|
||||
public void SetButtonEnabled(bool enabled)
|
||||
{
|
||||
enabledByState = enabled;
|
||||
RefreshVisuals();
|
||||
}
|
||||
|
||||
public void SetCancelArea(RectTransform area)
|
||||
{
|
||||
cancelArea = area;
|
||||
}
|
||||
|
||||
public void SetIcon(Sprite sprite)
|
||||
{
|
||||
if (icon == null)
|
||||
{
|
||||
BindNodes();
|
||||
}
|
||||
|
||||
if (icon != null)
|
||||
{
|
||||
icon.sprite = sprite;
|
||||
icon.enabled = sprite != null;
|
||||
}
|
||||
}
|
||||
|
||||
private void BindNodes()
|
||||
{
|
||||
rectTransform = transform as RectTransform;
|
||||
unityButton = GetComponent<Button>();
|
||||
canvasGroup = GetComponent<CanvasGroup>();
|
||||
icon = FindImage("Icon");
|
||||
cooldownMask = FindImage("CooldownMask");
|
||||
cooldownText = FindText("CooldownText");
|
||||
chargeText = FindText("ChargeText");
|
||||
|
||||
Transform aim = FindRoleTransform("AimIndicator");
|
||||
if (aim == null)
|
||||
{
|
||||
aim = FindRoleTransform("DragArrow");
|
||||
}
|
||||
aimIndicator = aim != null ? aim.gameObject : null;
|
||||
SetAimVisible(false);
|
||||
}
|
||||
|
||||
private Image FindImage(string childName)
|
||||
{
|
||||
Transform child = FindRoleTransform(childName);
|
||||
return child != null ? child.GetComponent<Image>() : null;
|
||||
}
|
||||
|
||||
private TMP_Text FindText(string childName)
|
||||
{
|
||||
Transform child = FindRoleTransform(childName);
|
||||
return child != null ? child.GetComponent<TMP_Text>() : null;
|
||||
}
|
||||
|
||||
private Transform FindRoleTransform(string roleName)
|
||||
{
|
||||
Transform child = transform.FindTransform(roleName);
|
||||
if (child != null)
|
||||
{
|
||||
return child;
|
||||
}
|
||||
|
||||
string suffix = "_" + roleName;
|
||||
return FindDescendantEndingWith(transform, suffix);
|
||||
}
|
||||
|
||||
private static Transform FindDescendantEndingWith(Transform root, string suffix)
|
||||
{
|
||||
if (root == null)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
for (int i = 0; i < root.childCount; i++)
|
||||
{
|
||||
Transform child = root.GetChild(i);
|
||||
if (child.name.EndsWith(suffix, StringComparison.Ordinal))
|
||||
{
|
||||
return child;
|
||||
}
|
||||
|
||||
Transform nested = FindDescendantEndingWith(child, suffix);
|
||||
if (nested != null)
|
||||
{
|
||||
return nested;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private void HandlePointerDown(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
if (pointerDown)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (!IsInteractable)
|
||||
{
|
||||
Emit(MakeEvent(ActionButtonPhase.Blocked, screenPosition, pointerId, now));
|
||||
return;
|
||||
}
|
||||
|
||||
pointerDown = true;
|
||||
activePointerId = pointerId;
|
||||
pointerDownTime = now;
|
||||
nextHoldTickTime = now + holdThresholdSeconds + holdTickIntervalSeconds;
|
||||
holdStarted = false;
|
||||
lastScreenPosition = screenPosition;
|
||||
lastDragEvent = MakeEvent(ActionButtonPhase.Down, screenPosition, pointerId, now);
|
||||
SetAimVisible(false);
|
||||
Emit(lastDragEvent);
|
||||
}
|
||||
|
||||
private void HandleDrag(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
if (!pointerDown || pointerId != activePointerId)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
lastScreenPosition = screenPosition;
|
||||
MaybeEmitHold(now, pointerId, screenPosition);
|
||||
lastDragEvent = MakeEvent(ActionButtonPhase.Drag, screenPosition, pointerId, now);
|
||||
SetAimVisible(true);
|
||||
Emit(lastDragEvent);
|
||||
}
|
||||
|
||||
private void HandlePointerUp(Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
if (!pointerDown || pointerId != activePointerId)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
MaybeEmitHold(now, pointerId, screenPosition);
|
||||
if (holdStarted)
|
||||
{
|
||||
Emit(MakeEvent(ActionButtonPhase.HoldEnd, screenPosition, pointerId, now));
|
||||
}
|
||||
|
||||
ActionButtonEvent finalEvent = MakeEvent(GetReleasePhase(screenPosition), screenPosition, pointerId, now);
|
||||
Emit(finalEvent);
|
||||
ResetPointerState();
|
||||
SetAimVisible(false);
|
||||
}
|
||||
|
||||
private void MaybeEmitHold(float now, int pointerId, Vector2 screenPosition)
|
||||
{
|
||||
if (!holdStarted && now - pointerDownTime >= holdThresholdSeconds)
|
||||
{
|
||||
holdStarted = true;
|
||||
Emit(MakeEvent(ActionButtonPhase.HoldStart, screenPosition, pointerId, now));
|
||||
}
|
||||
|
||||
if (!holdStarted)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
while (now >= nextHoldTickTime)
|
||||
{
|
||||
Emit(MakeEvent(ActionButtonPhase.HoldTick, screenPosition, pointerId, nextHoldTickTime));
|
||||
nextHoldTickTime += holdTickIntervalSeconds;
|
||||
}
|
||||
}
|
||||
|
||||
private ActionButtonPhase GetReleasePhase(Vector2 screenPosition)
|
||||
{
|
||||
if (IsInCancelArea(screenPosition))
|
||||
{
|
||||
return ActionButtonPhase.Cancel;
|
||||
}
|
||||
|
||||
return MakeEvent(ActionButtonPhase.Release, screenPosition, activePointerId, Time.unscaledTime).Distance01 >= releaseDistanceThreshold01
|
||||
? ActionButtonPhase.Release
|
||||
: ActionButtonPhase.Tap;
|
||||
}
|
||||
|
||||
private ActionButtonEvent MakeEvent(ActionButtonPhase phase, Vector2 screenPosition, int pointerId, float now)
|
||||
{
|
||||
Vector2 localVector = screenPosition - GetScreenCenter();
|
||||
float radius = GetScreenRadius() * maxDragRadiusMultiplier;
|
||||
float distance01 = Mathf.Clamp01(localVector.magnitude / Mathf.Max(1f, radius));
|
||||
Vector2 direction = localVector.sqrMagnitude > 0.000001f ? localVector.normalized : Vector2.zero;
|
||||
bool canceled = phase == ActionButtonPhase.Cancel || IsInCancelArea(screenPosition);
|
||||
return new ActionButtonEvent(
|
||||
ButtonId,
|
||||
phase,
|
||||
screenPosition,
|
||||
localVector,
|
||||
direction,
|
||||
distance01,
|
||||
Mathf.Max(0f, now - pointerDownTime),
|
||||
canceled,
|
||||
pointerId);
|
||||
}
|
||||
|
||||
private bool IsInCancelArea(Vector2 screenPosition)
|
||||
{
|
||||
if (cancelArea == null)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
return RectTransformUtility.RectangleContainsScreenPoint(cancelArea, screenPosition, GetUICamera(cancelArea));
|
||||
}
|
||||
|
||||
private void RefreshVisuals()
|
||||
{
|
||||
bool interactable = IsInteractable;
|
||||
if (unityButton != null)
|
||||
{
|
||||
unityButton.interactable = interactable;
|
||||
}
|
||||
|
||||
if (canvasGroup != null)
|
||||
{
|
||||
canvasGroup.alpha = interactable ? 1f : 0.55f;
|
||||
canvasGroup.interactable = interactable;
|
||||
}
|
||||
|
||||
if (cooldownMask != null)
|
||||
{
|
||||
cooldownMask.fillAmount = cooldownDuration > 0f ? Mathf.Clamp01(cooldownRemaining / cooldownDuration) : 0f;
|
||||
cooldownMask.gameObject.SetActive(cooldownRemaining > 0f);
|
||||
}
|
||||
|
||||
if (cooldownText != null)
|
||||
{
|
||||
cooldownText.text = cooldownRemaining > 0f ? Mathf.CeilToInt(cooldownRemaining).ToString() : string.Empty;
|
||||
cooldownText.gameObject.SetActive(cooldownRemaining > 0f);
|
||||
}
|
||||
|
||||
if (chargeText != null)
|
||||
{
|
||||
chargeText.text = charges >= 0 ? charges.ToString() : string.Empty;
|
||||
chargeText.gameObject.SetActive(charges >= 0);
|
||||
}
|
||||
}
|
||||
|
||||
private void SetAimVisible(bool visible)
|
||||
{
|
||||
if (aimIndicator != null)
|
||||
{
|
||||
aimIndicator.SetActive(visible);
|
||||
}
|
||||
}
|
||||
|
||||
private void ResetPointerState()
|
||||
{
|
||||
pointerDown = false;
|
||||
activePointerId = int.MinValue;
|
||||
holdStarted = false;
|
||||
lastScreenPosition = Vector2.zero;
|
||||
lastDragEvent = default;
|
||||
}
|
||||
|
||||
private void CancelActivePointer(float now)
|
||||
{
|
||||
if (!pointerDown)
|
||||
{
|
||||
ResetPointerState();
|
||||
return;
|
||||
}
|
||||
|
||||
MaybeEmitHold(now, activePointerId, lastScreenPosition);
|
||||
if (holdStarted)
|
||||
{
|
||||
Emit(MakeEvent(ActionButtonPhase.HoldEnd, lastScreenPosition, activePointerId, now));
|
||||
}
|
||||
|
||||
Emit(MakeEvent(ActionButtonPhase.Cancel, lastScreenPosition, activePointerId, now));
|
||||
ResetPointerState();
|
||||
}
|
||||
|
||||
private void Emit(ActionButtonEvent evt)
|
||||
{
|
||||
ButtonEvent?.Invoke(evt);
|
||||
}
|
||||
|
||||
private Vector2 GetScreenCenter()
|
||||
{
|
||||
if (screenCenterOverride.HasValue)
|
||||
{
|
||||
return screenCenterOverride.Value;
|
||||
}
|
||||
|
||||
RectTransform rect = rectTransform != null ? rectTransform : transform as RectTransform;
|
||||
return rect != null ? RectTransformUtility.WorldToScreenPoint(GetUICamera(rect), rect.position) : Vector2.zero;
|
||||
}
|
||||
|
||||
private float GetScreenRadius()
|
||||
{
|
||||
if (screenRadiusOverride.HasValue)
|
||||
{
|
||||
return Mathf.Max(1f, screenRadiusOverride.Value);
|
||||
}
|
||||
|
||||
RectTransform rect = rectTransform != null ? rectTransform : transform as RectTransform;
|
||||
if (rect == null)
|
||||
{
|
||||
return 1f;
|
||||
}
|
||||
|
||||
Vector3[] corners = new Vector3[4];
|
||||
rect.GetWorldCorners(corners);
|
||||
Camera cam = GetUICamera(rect);
|
||||
Vector2 s0 = RectTransformUtility.WorldToScreenPoint(cam, corners[0]);
|
||||
Vector2 s2 = RectTransformUtility.WorldToScreenPoint(cam, corners[2]);
|
||||
return Mathf.Max(1f, Mathf.Min(Mathf.Abs(s2.x - s0.x), Mathf.Abs(s2.y - s0.y)) * 0.5f);
|
||||
}
|
||||
|
||||
private Camera GetUICamera(RectTransform rect)
|
||||
{
|
||||
Canvas canvas = rect != null ? rect.GetComponentInParent<Canvas>() : null;
|
||||
if (canvas == null)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
canvas = canvas.rootCanvas;
|
||||
return canvas.renderMode == RenderMode.ScreenSpaceOverlay ? null : canvas.worldCamera;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
fileFormatVersion: 2
|
||||
guid: 5e719656ace242789c22b78b47abcc66
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
@@ -0,0 +1,122 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using UnityEngine;
|
||||
|
||||
namespace XGame.VirtualInput
|
||||
{
|
||||
public sealed class VirtualActionPad : MonoBehaviour
|
||||
{
|
||||
private readonly Dictionary<ActionButtonId, VirtualActionButton> buttons =
|
||||
new Dictionary<ActionButtonId, VirtualActionButton>();
|
||||
|
||||
private RectTransform cancelArea;
|
||||
|
||||
public event Action<ActionButtonEvent> ButtonEvent;
|
||||
|
||||
private void Awake()
|
||||
{
|
||||
BindNodes();
|
||||
}
|
||||
|
||||
private void OnDestroy()
|
||||
{
|
||||
foreach (VirtualActionButton button in buttons.Values)
|
||||
{
|
||||
if (button != null)
|
||||
{
|
||||
button.ButtonEvent -= OnChildButtonEvent;
|
||||
}
|
||||
}
|
||||
buttons.Clear();
|
||||
}
|
||||
|
||||
public VirtualActionButton GetButton(ActionButtonId id)
|
||||
{
|
||||
buttons.TryGetValue(id, out VirtualActionButton button);
|
||||
return button;
|
||||
}
|
||||
|
||||
public void SetCooldown(ActionButtonId id, float remainingSeconds, float durationSeconds)
|
||||
{
|
||||
VirtualActionButton button = GetButton(id);
|
||||
if (button != null)
|
||||
{
|
||||
button.SetCooldown(remainingSeconds, durationSeconds);
|
||||
}
|
||||
}
|
||||
|
||||
public void SetCharges(ActionButtonId id, int count)
|
||||
{
|
||||
VirtualActionButton button = GetButton(id);
|
||||
if (button != null)
|
||||
{
|
||||
button.SetCharges(count);
|
||||
}
|
||||
}
|
||||
|
||||
public void SetButtonEnabled(ActionButtonId id, bool enabled)
|
||||
{
|
||||
VirtualActionButton button = GetButton(id);
|
||||
if (button != null)
|
||||
{
|
||||
button.SetButtonEnabled(enabled);
|
||||
}
|
||||
}
|
||||
|
||||
public void SetCancelAreaVisible(bool visible)
|
||||
{
|
||||
if (cancelArea != null)
|
||||
{
|
||||
cancelArea.gameObject.SetActive(visible);
|
||||
}
|
||||
}
|
||||
|
||||
private void BindNodes()
|
||||
{
|
||||
Transform cancel = transform.FindTransform("CancelArea");
|
||||
cancelArea = cancel as RectTransform;
|
||||
RegisterButton(ActionButtonId.Primary, "Btn_Primary");
|
||||
RegisterButton(ActionButtonId.Skill1, "Btn_Skill1");
|
||||
RegisterButton(ActionButtonId.Skill2, "Btn_Skill2");
|
||||
RegisterButton(ActionButtonId.Skill3, "Btn_Skill3");
|
||||
RegisterButton(ActionButtonId.Skill4, "Btn_Skill4");
|
||||
SetCancelAreaVisible(false);
|
||||
}
|
||||
|
||||
private void RegisterButton(ActionButtonId id, string childName)
|
||||
{
|
||||
Transform child = transform.FindTransform(childName);
|
||||
if (child == null)
|
||||
{
|
||||
Debug.LogWarning("[VirtualActionPad] missing child button: " + childName, this);
|
||||
return;
|
||||
}
|
||||
|
||||
VirtualActionButton button = child.GetComponent<VirtualActionButton>();
|
||||
if (button == null)
|
||||
{
|
||||
button = child.gameObject.AddComponent<VirtualActionButton>();
|
||||
}
|
||||
|
||||
button.ButtonId = id;
|
||||
button.SetCancelArea(cancelArea);
|
||||
button.ButtonEvent -= OnChildButtonEvent;
|
||||
button.ButtonEvent += OnChildButtonEvent;
|
||||
buttons[id] = button;
|
||||
}
|
||||
|
||||
private void OnChildButtonEvent(ActionButtonEvent evt)
|
||||
{
|
||||
if (evt.Phase == ActionButtonPhase.Drag || evt.Phase == ActionButtonPhase.HoldStart)
|
||||
{
|
||||
SetCancelAreaVisible(cancelArea != null);
|
||||
}
|
||||
else if (evt.Phase == ActionButtonPhase.Release || evt.Phase == ActionButtonPhase.Tap || evt.Phase == ActionButtonPhase.Cancel || evt.Phase == ActionButtonPhase.Blocked)
|
||||
{
|
||||
SetCancelAreaVisible(false);
|
||||
}
|
||||
|
||||
ButtonEvent?.Invoke(evt);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
fileFormatVersion: 2
|
||||
guid: 7c5500d410634275b54631c131475f3d
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
@@ -0,0 +1,273 @@
|
||||
using System;
|
||||
using UnityEngine;
|
||||
using UnityEngine.EventSystems;
|
||||
|
||||
namespace XGame.VirtualInput
|
||||
{
|
||||
public sealed class VirtualJoystick : MonoBehaviour
|
||||
{
|
||||
[SerializeField] private RectTransform joystickRoot;
|
||||
[SerializeField] private RectTransform knob;
|
||||
[SerializeField] private float deadZone = 0.18f;
|
||||
[SerializeField] private float acquireRadiusMultiplier = 1.6f;
|
||||
|
||||
private Vector2 value;
|
||||
private bool isActive;
|
||||
private bool isCaptured;
|
||||
private bool sentStarted;
|
||||
private int touchFingerId = -1;
|
||||
|
||||
private Vector2? screenCenterOverride;
|
||||
private float? screenRadiusOverride;
|
||||
|
||||
public Vector2 Value => value;
|
||||
public bool IsActive => isActive;
|
||||
|
||||
public event Action Started;
|
||||
public event Action<Vector2, bool> Changed;
|
||||
public event Action Ended;
|
||||
|
||||
private void Awake()
|
||||
{
|
||||
BindNodes();
|
||||
}
|
||||
|
||||
private void OnDisable()
|
||||
{
|
||||
ReleasePointer();
|
||||
}
|
||||
|
||||
private void Update()
|
||||
{
|
||||
if (!isActiveAndEnabled)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (UnityEngine.Input.touchCount > 0)
|
||||
{
|
||||
UpdateTouchInput();
|
||||
return;
|
||||
}
|
||||
|
||||
touchFingerId = -1;
|
||||
UpdateMouseInput();
|
||||
}
|
||||
|
||||
public bool IsScreenPositionInAcquireArea(Vector2 screenPosition)
|
||||
{
|
||||
return Vector2.Distance(screenPosition, GetScreenCenter()) <= GetScreenRadius() * acquireRadiusMultiplier;
|
||||
}
|
||||
|
||||
private void BindNodes()
|
||||
{
|
||||
if (joystickRoot == null)
|
||||
{
|
||||
Transform widget = transform.Find("Joystick");
|
||||
joystickRoot = widget as RectTransform;
|
||||
}
|
||||
if (joystickRoot == null)
|
||||
{
|
||||
joystickRoot = transform as RectTransform;
|
||||
}
|
||||
|
||||
if (knob == null)
|
||||
{
|
||||
Transform knobTransform = transform.FindTransform("Knob");
|
||||
knob = knobTransform as RectTransform;
|
||||
}
|
||||
|
||||
if (knob == null)
|
||||
{
|
||||
Debug.LogError("[VirtualJoystick] missing Knob node: " + name, this);
|
||||
enabled = false;
|
||||
}
|
||||
}
|
||||
|
||||
private void UpdateMouseInput()
|
||||
{
|
||||
if (UnityEngine.Input.GetMouseButtonDown(0))
|
||||
{
|
||||
isCaptured = IsScreenPositionInAcquireArea(UnityEngine.Input.mousePosition);
|
||||
}
|
||||
|
||||
if (UnityEngine.Input.GetMouseButtonUp(0))
|
||||
{
|
||||
isCaptured = false;
|
||||
ReleasePointer();
|
||||
return;
|
||||
}
|
||||
|
||||
if (isCaptured && UnityEngine.Input.GetMouseButton(0))
|
||||
{
|
||||
ApplyPointer(UnityEngine.Input.mousePosition);
|
||||
}
|
||||
else
|
||||
{
|
||||
ReleasePointer();
|
||||
}
|
||||
}
|
||||
|
||||
private void UpdateTouchInput()
|
||||
{
|
||||
if (touchFingerId >= 0)
|
||||
{
|
||||
for (int i = 0; i < UnityEngine.Input.touchCount; i++)
|
||||
{
|
||||
Touch touch = UnityEngine.Input.GetTouch(i);
|
||||
if (touch.fingerId != touchFingerId)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (touch.phase == TouchPhase.Ended || touch.phase == TouchPhase.Canceled)
|
||||
{
|
||||
touchFingerId = -1;
|
||||
ReleasePointer();
|
||||
return;
|
||||
}
|
||||
|
||||
ApplyPointer(touch.position);
|
||||
return;
|
||||
}
|
||||
|
||||
touchFingerId = -1;
|
||||
ReleasePointer();
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i = 0; i < UnityEngine.Input.touchCount; i++)
|
||||
{
|
||||
Touch touch = UnityEngine.Input.GetTouch(i);
|
||||
if (touch.phase == TouchPhase.Ended || touch.phase == TouchPhase.Canceled)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (IsScreenPositionInAcquireArea(touch.position))
|
||||
{
|
||||
touchFingerId = touch.fingerId;
|
||||
ApplyPointer(touch.position);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
ReleasePointer();
|
||||
}
|
||||
|
||||
private void ApplyPointer(Vector2 screenPosition)
|
||||
{
|
||||
if (!sentStarted)
|
||||
{
|
||||
sentStarted = true;
|
||||
Started?.Invoke();
|
||||
}
|
||||
|
||||
Vector2 raw = (screenPosition - GetScreenCenter()) / GetScreenRadius();
|
||||
Vector2 nextValue = Vector2.ClampMagnitude(raw, 1f);
|
||||
bool nextActive = nextValue.magnitude >= deadZone;
|
||||
if (!nextActive)
|
||||
{
|
||||
nextValue = Vector2.zero;
|
||||
}
|
||||
|
||||
bool changed = (nextValue - value).sqrMagnitude > 0.000001f || nextActive != isActive;
|
||||
value = nextValue;
|
||||
isActive = nextActive;
|
||||
UpdateKnob();
|
||||
|
||||
if (changed)
|
||||
{
|
||||
Changed?.Invoke(value, isActive);
|
||||
}
|
||||
}
|
||||
|
||||
private void ReleasePointer()
|
||||
{
|
||||
bool hadState = sentStarted || isActive || value.sqrMagnitude > 0.000001f;
|
||||
sentStarted = false;
|
||||
isCaptured = false;
|
||||
touchFingerId = -1;
|
||||
value = Vector2.zero;
|
||||
isActive = false;
|
||||
UpdateKnob();
|
||||
|
||||
if (hadState)
|
||||
{
|
||||
Changed?.Invoke(value, isActive);
|
||||
Ended?.Invoke();
|
||||
}
|
||||
}
|
||||
|
||||
private void UpdateKnob()
|
||||
{
|
||||
if (knob != null)
|
||||
{
|
||||
knob.anchoredPosition = value * GetKnobTravelRadius();
|
||||
}
|
||||
}
|
||||
|
||||
private float GetKnobTravelRadius()
|
||||
{
|
||||
RectTransform root = joystickRoot != null ? joystickRoot : transform as RectTransform;
|
||||
if (root == null)
|
||||
{
|
||||
return GetScreenRadius();
|
||||
}
|
||||
|
||||
float rootHalf = Mathf.Min(root.rect.width, root.rect.height) * 0.5f;
|
||||
float knobHalf = knob != null ? Mathf.Min(knob.rect.width, knob.rect.height) * 0.5f : 0f;
|
||||
return Mathf.Max(1f, rootHalf - knobHalf);
|
||||
}
|
||||
|
||||
private Vector2 GetScreenCenter()
|
||||
{
|
||||
if (screenCenterOverride.HasValue)
|
||||
{
|
||||
return screenCenterOverride.Value;
|
||||
}
|
||||
|
||||
RectTransform root = joystickRoot != null ? joystickRoot : transform as RectTransform;
|
||||
if (root == null)
|
||||
{
|
||||
return Vector2.zero;
|
||||
}
|
||||
|
||||
return RectTransformUtility.WorldToScreenPoint(GetUICamera(), root.position);
|
||||
}
|
||||
|
||||
private float GetScreenRadius()
|
||||
{
|
||||
if (screenRadiusOverride.HasValue)
|
||||
{
|
||||
return Mathf.Max(1f, screenRadiusOverride.Value);
|
||||
}
|
||||
|
||||
RectTransform root = joystickRoot != null ? joystickRoot : transform as RectTransform;
|
||||
if (root == null)
|
||||
{
|
||||
return 1f;
|
||||
}
|
||||
|
||||
Camera cam = GetUICamera();
|
||||
Vector3[] corners = new Vector3[4];
|
||||
root.GetWorldCorners(corners);
|
||||
Vector2 s0 = RectTransformUtility.WorldToScreenPoint(cam, corners[0]);
|
||||
Vector2 s2 = RectTransformUtility.WorldToScreenPoint(cam, corners[2]);
|
||||
return Mathf.Max(1f, Mathf.Min(Mathf.Abs(s2.x - s0.x), Mathf.Abs(s2.y - s0.y)) * 0.5f);
|
||||
}
|
||||
|
||||
private Camera GetUICamera()
|
||||
{
|
||||
RectTransform root = joystickRoot != null ? joystickRoot : transform as RectTransform;
|
||||
Canvas canvas = root != null ? root.GetComponentInParent<Canvas>() : null;
|
||||
if (canvas == null)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
canvas = canvas.rootCanvas;
|
||||
return canvas.renderMode == RenderMode.ScreenSpaceOverlay ? null : canvas.worldCamera;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
fileFormatVersion: 2
|
||||
guid: 014f26c5eef24321b81f131f41a05a1d
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
Reference in New Issue
Block a user