initial upload

Unity-Master/Assets/Plugins/RootMotion/FinalIK/Tools/VRIKLODController.cs

@@ -0,0 +1,46 @@
+using UnityEngine;
+using System.Collections;
+using RootMotion.FinalIK;
+
+namespace RootMotion.FinalIK
+{
+
+    /// <summary>
+    /// Simple VRIK LOD level controller based on renderer.isVisible and camera distance.
+    /// </summary>
+    public class VRIKLODController : MonoBehaviour
+    {
+
+        public Renderer LODRenderer;
+        public float LODDistance = 15f;
+        public bool allowCulled = true;
+
+        private VRIK ik;
+
+        void Start()
+        {
+            ik = GetComponent<VRIK>();
+        }
+
+        void Update()
+        {
+            ik.solver.LOD = GetLODLevel();
+        }
+
+        // Setting LOD level to 1 saves approximately 20% of solving time. LOD level 2 means IK is culled, with only root position and rotation updated if locomotion enabled.
+        private int GetLODLevel()
+        {
+            if (allowCulled)
+            {
+                if (LODRenderer == null) return 0;
+                if (!LODRenderer.isVisible) return 2;
+            }
+
+            // Set LOD to 1 if too far from camera
+            float sqrMag = (ik.transform.position - Camera.main.transform.position).sqrMagnitude;
+            if (sqrMag > LODDistance * LODDistance) return 1;
+
+            return 0;
+        }
+    }
+}