Add ultimate xr

Assets/UltimateXR/Runtime/Scripts/UI/UnityInputModule/Utils/UxrDynamicPixelsPerUnit.cs

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+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="UxrDynamicPixelsPerUnit.cs" company="VRMADA">
+//   Copyright (c) VRMADA, All rights reserved.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+using UltimateXR.Avatar;
+using UltimateXR.Core;
+using UltimateXR.Core.Components;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace UltimateXR.UI.UnityInputModule.Utils
+{
+    /// <summary>
+    ///     Component that adjusts the dynamic pixels per unit value in a <see cref="Canvas" /> component depending on
+    ///     the distance to the avatar. It helps removing filtering artifacts when using composition layers is not
+    ///     possible.
+    /// </summary>
+    [RequireComponent(typeof(CanvasScaler))]
+    public class UxrDynamicPixelsPerUnit : UxrComponent
+    {
+        #region Inspector Properties/Serialized Fields
+
+        [SerializeField] private float _updateSeconds     = 0.3f;
+        [SerializeField] private float _rangeNear         = 0.3f;
+        [SerializeField] private float _rangeFar          = 4.0f;
+        [SerializeField] private float _pixelsPerUnitNear = 1.0f;
+        [SerializeField] private float _pixelsPerUnitFar  = 0.1f;
+
+        #endregion
+
+        #region Unity
+
+        /// <summary>
+        ///     Caches components.
+        /// </summary>
+        protected override void Awake()
+        {
+            base.Awake();
+
+            _canvasScaler = GetComponent<CanvasScaler>();
+        }
+
+        /// <summary>
+        ///     Subscribes to events.
+        /// </summary>
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            UxrAvatar.GlobalAvatarMoved += UxrAvatar_GlobalAvatarMoved;
+        }
+
+        /// <summary>
+        ///     Unsubscribes from events.
+        /// </summary>
+        protected override void OnDisable()
+        {
+            base.OnDisable();
+            UxrAvatar.GlobalAvatarMoved += UxrAvatar_GlobalAvatarMoved;
+        }
+
+        #endregion
+
+        #region Event Handling Methods
+
+        /// <summary>
+        ///     Called when an avatar moved: Adjusts the dynamic pixels per unit.
+        /// </summary>
+        /// <param name="sender">Event sender</param>
+        /// <param name="e">Event parameters</param>
+        private void UxrAvatar_GlobalAvatarMoved(object sender, UxrAvatarMoveEventArgs e)
+        {
+            UxrAvatar avatar = sender as UxrAvatar;
+            
+            if (avatar == UxrAvatar.LocalAvatar && Time.time - _timeLastUpdate > _updateSeconds)
+            {
+                _timeLastUpdate = Time.time;
+                float distance = Vector3.Distance(avatar.CameraPosition, _canvasScaler.transform.position);
+                _canvasScaler.dynamicPixelsPerUnit = Mathf.Lerp(_pixelsPerUnitNear, _pixelsPerUnitFar, Mathf.Clamp01((distance - _rangeNear) / (_rangeFar - _rangeNear)));
+            }
+        }
+
+        #endregion
+
+        #region Private Types & Data
+
+        private float        _timeLastUpdate = -1.0f;
+        private CanvasScaler _canvasScaler;
+
+        #endregion
+    }
+}