Initial commit

2025-05-26 00:46:28 +02:00
commit e5bca03433
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+using UnityEngine;
+
+namespace XRMultiplayer
+{
+    /// <summary>
+    /// This class is used to represent the Avatar IK system in both the <see cref="XRINetworkPlayer"/> and the Offline Player"/>.
+    /// </summary>
+    public class XRAvatarIK : MonoBehaviour
+    {
+        /// <summary>
+        /// Transform for the Network Player Head.
+        /// </summary>
+        [SerializeField, Tooltip("Transform for the Network Player Head.")] Transform m_HeadTransform;
+
+        /// <summary>
+        /// Torso Parent Transform.
+        /// </summary>
+        [SerializeField, Tooltip("Torso Parent Transform.")] Transform m_TorsoParentTransform;
+
+        /// <summary>
+        /// Root of the Head Visuals.
+        /// </summary>
+        [SerializeField, Tooltip("Root of the Head Visuals.")] Transform m_HeadVisualsRoot;
+
+        /// <summary>
+        /// Neck Transform.
+        /// </summary>
+        [SerializeField, Tooltip("Neck Transform.")] Transform m_Neck;
+
+        /// <summary>
+        /// Offset to be applied to the head height.
+        /// </summary>
+        [SerializeField, Tooltip("Offset to be applied to the head height.")] float m_HeadHeightOffset = .3f;
+
+        /// <summary>
+        /// Theshold to where body rotation appoximation is applied.
+        /// </summary>
+        [Range(0, 360.0f)]
+        [SerializeField, Tooltip("Theshold to where body rotation appoximation is applied.")] float m_RotateThreshold = 25.0f;
+
+        /// <summary>
+        /// Speed at which the body rotates.
+        /// </summary>
+        [SerializeField, Tooltip("Speed at which the body rotates.")] float m_RotateSpeed = 3.0f;
+
+        /// <summary>
+        /// Transform associated with this script.
+        /// </summary>
+        Transform m_Transform;
+
+        /// <summary>
+        /// Rotation destination for the Y euler value.
+        /// </summary>
+        float m_DestinationY;
+
+        /// <inheritdoc/>
+        private void Start()
+        {
+            m_Transform = GetComponent<Transform>();
+            m_DestinationY = m_HeadTransform.transform.eulerAngles.y;
+        }
+
+        /// <inheritdoc/>
+        private void Update()
+        {
+            // Update Head.
+            m_HeadVisualsRoot.position = m_HeadTransform.position;
+            m_HeadVisualsRoot.position -= m_HeadTransform.up * m_HeadHeightOffset;
+            m_Neck.rotation = m_HeadTransform.rotation;
+
+            // Update Body.
+            m_Transform.position = m_HeadTransform.position;
+            m_TorsoParentTransform.rotation = Quaternion.Slerp(m_TorsoParentTransform.rotation, Quaternion.Euler(new Vector3(0, m_DestinationY, 0)), Time.deltaTime * m_RotateSpeed);
+
+            // Rotate Body if past threshold.
+            if (Mathf.Abs(m_TorsoParentTransform.eulerAngles.y - m_HeadTransform.eulerAngles.y) >= m_RotateThreshold)
+            {
+                m_DestinationY = m_HeadTransform.transform.eulerAngles.y;
+            }
+
+            // Update scale.
+            m_HeadVisualsRoot.localScale = m_HeadTransform.localScale;
+        }
+    }
+}