Initial commit

2025-05-26 00:46:28 +02:00
commit e5bca03433
3896 changed files with 1434297 additions and 0 deletions
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+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+using UnityEngine.XR.Interaction.Toolkit.Interactables;
+
+namespace XRMultiplayer
+{
+    [RequireComponent(typeof(TrailRenderer))]
+    public class PenTrail : MonoBehaviour
+    {
+        public TrailRenderer trailRenderer => m_TrailRenderer;
+        TrailRenderer m_TrailRenderer;
+
+        [SerializeField] bool m_UseLifetime = false;
+        [SerializeField] float m_ObjectLifetimeInSeconds = 900.0f;
+
+        GameObject m_SpawnedInteractableObject;
+        Color m_StartColor;
+        float m_StartWidth;
+        // Start is called before the first frame update
+        void Awake()
+        {
+            if (!TryGetComponent(out m_TrailRenderer))
+            {
+                Utils.Log("Missing Components! Disabling Now.", 2);
+                enabled = false;
+                return;
+            }
+        }
+
+        public void SetColor(Color color)
+        {
+            m_StartColor = color;
+            UpdateColor(m_StartColor);
+        }
+
+        void UpdateColor(Color color)
+        {
+            m_TrailRenderer.material.color = color;
+            m_TrailRenderer.startColor = color;
+            m_TrailRenderer.endColor = color;
+        }
+
+        public void CreateInteractableTrail()
+        {
+            m_StartWidth = m_TrailRenderer.startWidth;
+
+            Mesh mesh = new();
+            m_TrailRenderer.BakeMesh(mesh, true);
+
+            m_SpawnedInteractableObject = new();
+            m_SpawnedInteractableObject.transform.position = Vector3.zero;
+            m_SpawnedInteractableObject.AddComponent<MeshFilter>().mesh = mesh;
+            m_SpawnedInteractableObject.AddComponent<MeshCollider>().sharedMesh = mesh;
+
+            m_SpawnedInteractableObject.transform.parent = transform;
+
+            XRSimpleInteractable interactable = m_SpawnedInteractableObject.AddComponent<XRSimpleInteractable>();
+
+            interactable.activated.AddListener(DestroyTrail);
+            interactable.hoverEntered.AddListener(HoverEntered);
+            interactable.hoverExited.AddListener(HoverExited);
+
+            if (m_UseLifetime)
+                Destroy(gameObject, m_ObjectLifetimeInSeconds);
+        }
+
+        void HoverEntered(HoverEnterEventArgs args)
+        {
+            m_TrailRenderer.startWidth = m_StartWidth * 3.0f;
+            m_TrailRenderer.endWidth = m_StartWidth * 3.0f;
+            UpdateColor(Color.red);
+        }
+
+        void HoverExited(HoverExitEventArgs args)
+        {
+            m_TrailRenderer.startWidth = m_StartWidth;
+            m_TrailRenderer.endWidth = m_StartWidth;
+            UpdateColor(m_StartColor);
+        }
+
+        void DestroyTrail(ActivateEventArgs args)
+        {
+            Destroy(gameObject);
+        }
+    }
+}