forked from BilalY/Rasagar
107 lines
3.4 KiB
C#
107 lines
3.4 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.Events;
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using UnityEngine.UIElements;
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public class TouchscreenInput : MonoBehaviour
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{
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public UnityEvent<Vector2> MoveEvent;
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public UnityEvent<Vector2> LookEvent;
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public UnityEvent<bool> JumpEvent;
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public UnityEvent<bool> SprintEvent;
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private UIDocument m_Document;
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private VirtualJoystick m_MoveJoystick;
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private VirtualJoystick m_LookJoystick;
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private void Awake()
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{
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m_Document = GetComponent<UIDocument>();
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}
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private void Start()
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{
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var joystickMove = m_Document.rootVisualElement.Q<VisualElement>("JoystickMove");
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var joystickLook = m_Document.rootVisualElement.Q<VisualElement>("JoystickLook");
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m_MoveJoystick = new VirtualJoystick(joystickMove);
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m_MoveJoystick.JoystickEvent.AddListener(mov =>
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{
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MoveEvent.Invoke(mov);
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});;
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m_LookJoystick = new VirtualJoystick(joystickLook);
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m_LookJoystick.JoystickEvent.AddListener(mov =>
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{
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LookEvent.Invoke(mov);
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});
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var jumpButton = m_Document.rootVisualElement.Q<VisualElement>("ButtonJump");
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jumpButton.RegisterCallback<PointerDownEvent>(evt => { JumpEvent.Invoke(true); });
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jumpButton.RegisterCallback<PointerUpEvent>(evt => { JumpEvent.Invoke(false); });
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var sprintButton = m_Document.rootVisualElement.Q<VisualElement>("ButtonSprint");
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sprintButton.RegisterCallback<PointerDownEvent>(evt => { SprintEvent.Invoke(true); });
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sprintButton.RegisterCallback<PointerUpEvent>(evt => { SprintEvent.Invoke(false); });
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}
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}
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public class VirtualJoystick
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{
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public VisualElement BaseElement;
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public VisualElement Thumbstick;
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public UnityEvent<Vector2> JoystickEvent = new();
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public VirtualJoystick(VisualElement root)
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{
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BaseElement = root;
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Thumbstick = root.Q<VisualElement>("JoystickHandle");
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BaseElement.RegisterCallback<PointerDownEvent>(HandlePress);
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BaseElement.RegisterCallback<PointerMoveEvent>(HandleDrag);
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BaseElement.RegisterCallback<PointerUpEvent>(HandleRelease);
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}
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void HandlePress(PointerDownEvent evt)
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{
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BaseElement.CapturePointer(evt.pointerId);
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}
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void HandleRelease(PointerUpEvent evt)
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{
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BaseElement.ReleasePointer(evt.pointerId);
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Thumbstick.style.left = Length.Percent(50);
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Thumbstick.style.top = Length.Percent(50);
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JoystickEvent.Invoke(Vector2.zero);
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}
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void HandleDrag(PointerMoveEvent evt)
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{
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if (!BaseElement.HasPointerCapture(evt.pointerId)) return;
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var width = BaseElement.contentRect.width;
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var center = new Vector3(width / 2, width / 2);
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var centerToPosition = evt.localPosition - center;
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if (centerToPosition.magnitude > width/2)
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{
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centerToPosition = centerToPosition.normalized * width / 2;
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}
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var newPos = center + centerToPosition;
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Thumbstick.style.left = newPos.x;
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Thumbstick.style.top = newPos.y;
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centerToPosition /= (width / 2);
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//we invert y as the y of UI goes down, but pushing the joystick up is expected to give a positive y value
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centerToPosition.y *= -1;
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JoystickEvent.Invoke(centerToPosition);
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}
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} |