initial upload

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

@@ -0,0 +1,41 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using RootMotion.FinalIK;
+
+namespace RootMotion.FinalIK
+{
+    /// <summary>
+    /// Bend goal object for FABRIK. Add this to a GameObject you wish FABRIK to bend towards.
+    /// </summary>
+    public class FABRIKBendGoal : MonoBehaviour
+    {
+
+        public FABRIK ik;
+        [Range(0f, 1f)] public float weight = 1f;
+        
+        private void Start()
+        {
+            ik.solver.OnPreIteration += OnPreIteration;
+        }
+
+        void OnPreIteration(int it)
+        {
+            if (it != 0) return;
+            if (weight <= 0f) return;
+
+            Vector3 bendDirection = transform.position - ik.solver.bones[0].transform.position;
+            bendDirection *= weight;
+
+            foreach (IKSolverFABRIK.Bone bone in ik.solver.bones)
+            {
+                bone.solverPosition += bendDirection;
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if (ik != null) ik.solver.OnPreIteration -= OnPreIteration;
+        }
+    }
+}