124 lines
4.0 KiB
C#
124 lines
4.0 KiB
C#
using System.Linq;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.UI;
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namespace Unity.RenderStreaming.Samples
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{
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[RequireComponent(typeof(RectTransform))]
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class UIController : MonoBehaviour
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{
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[SerializeField] Text text;
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[SerializeField] CanvasGroup canvasGroup;
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[SerializeField] Image pointer;
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[SerializeField] GameObject noticeTouchControl;
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[SerializeField]
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private AnimationCurve transitionCurve =
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new AnimationCurve(
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new Keyframe(0.75f, 1f, 0f, 0f),
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new Keyframe(1f, 0f, 0f, 0f));
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private float timeTransition = 0f;
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private Color transparentColor = new Color(0, 0, 0, 0);
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private RectTransform m_rectTransform = null;
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private Keyboard m_keyboard;
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private Mouse m_mouse;
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private Touchscreen m_screen;
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public void SetDevice(InputDevice device, bool add = false)
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{
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switch (device)
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{
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case Mouse mouse:
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m_mouse = add ? mouse : null;
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return;
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case Keyboard keyboard:
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m_keyboard = add ? keyboard : null;
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if (add)
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m_keyboard.onTextInput += OnTextInput;
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return;
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case Touchscreen screen:
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m_screen = add ? screen : null;
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if (noticeTouchControl != null)
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{
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noticeTouchControl.SetActive(add);
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}
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return;
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}
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}
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void Start()
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{
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m_rectTransform = GetComponent<RectTransform>();
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canvasGroup.alpha = 0;
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text.text = string.Empty;
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}
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void FixedUpdate()
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{
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if (m_keyboard != null && !m_keyboard.anyKey.isPressed &&
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!Mathf.Approximately(canvasGroup.alpha, 0f))
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{
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timeTransition += Time.deltaTime;
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canvasGroup.alpha = transitionCurve.Evaluate(timeTransition);
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if (Mathf.Approximately(canvasGroup.alpha, 0f))
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{
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text.text = string.Empty;
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}
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}
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bool pointerFromMouse = HighlightPointerFromMouse(
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m_mouse, new Vector2Int(Screen.width, Screen.height));
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if (pointerFromMouse)
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return;
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var touches = m_screen?.GetTouches();
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if (touches != null && touches.Count() > 0)
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{
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var position = Vector2.zero;
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var count = touches.Count();
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var activeTouches = touches.ToArray();
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for (var i = 0; i < count; i++)
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{
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position += activeTouches[i].screenPosition;
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}
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pointer.rectTransform.anchoredPosition = position / (float)count;
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pointer.color = Color.red;
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}
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else
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{
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pointer.color = transparentColor;
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}
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}
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//----------------------------------------------------------------------------------------------------------------------
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bool HighlightPointerFromMouse(Mouse mouse, Vector2Int screenSize)
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{
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if (mouse == null)
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return false;
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if (!Screen.safeArea.Contains(mouse.position.ReadValue()))
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return false;
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if (!mouse.leftButton.isPressed && !mouse.rightButton.isPressed)
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return false;
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Vector2 mousePos = mouse.position.ReadValue();
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Vector2 pos = mousePos / screenSize * new Vector2(m_rectTransform.rect.width, m_rectTransform.rect.height);
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pointer.rectTransform.anchoredPosition = pos;
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pointer.color = Color.red;
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return true;
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}
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void OnTextInput(char c)
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{
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canvasGroup.alpha = 1f;
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text.text = c.ToString();
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timeTransition = 0;
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}
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}
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}
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