阶段性完成

Assets/OtherPlugins/FImpossible Creations/Plugins - Shared/IK/Limb/FimpIK_Limb.Manage.cs

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+using System;
+using UnityEngine;
+
+namespace FIMSpace.FTools
+{
+    public partial class FimpIK_Limb : FIK_ProcessorBase
+    {
+        public Transform Root { get; protected set; }
+        public IKBone StartIKBone { get { return IKBones[0]; } }
+        public IKBone MiddleIKBone { get { return IKBones[1]; } }
+        public IKBone EndIKBone { get { return IKBones[2]; } }
+
+        /// <summary> If there is bone between end and middle bone, it's initial info is stored there, otherwise it's simply MiddleIKBone</summary>
+        public IKBone EndParentIKBone { get; private set; }
+
+        public IKBone GetBone(int index) { return IKBones[index]; }
+        public int BonesCount { get { return IKBones.Length; } }
+
+        public enum FIK_HintMode { Default, MiddleForward, MiddleBack, OnGoal, EndForward, Leg, UnityHumanoidIK }
+        /// <summary> Required for UnityHumanoidIK hint mode </summary>
+        [NonSerialized] public Animator HumanoidAnimator;
+        /// <summary> Required for UnityHumanoidIK hint mode </summary>
+        [NonSerialized] public bool IsRight;
+
+        private bool everyIsChild = true;
+        private bool hasFeet = false;
+        private bool hasRoot = false;
+
+        public override void Init(Transform root)
+        {
+            if (Initialized) return;
+
+            Vector3 preNormal = Vector3.Cross(MiddleIKBone.transform.position - StartIKBone.transform.position, EndIKBone.transform.position - MiddleIKBone.transform.position);
+            if (preNormal != Vector3.zero) targetElbowNormal = preNormal;
+
+            fullLength = 0f;
+
+            StartIKBone.Init(root, MiddleIKBone.transform.position, targetElbowNormal);
+            MiddleIKBone.Init(root, EndIKBone.transform.position, targetElbowNormal);
+            EndIKBone.Init(root, EndIKBone.transform.position + (EndIKBone.transform.position - MiddleIKBone.transform.position), targetElbowNormal);
+
+            fullLength = Bones[0].BoneLength + Bones[1].BoneLength;
+            RefreshDefaultFlexNormal();
+
+            // Checking if bones hierarchy is fully connected and straight forward direct
+            if (EndIKBone.transform.parent != MiddleIKBone.transform) everyIsChild = false;
+            else
+            if (MiddleIKBone.transform.parent != StartIKBone.transform) everyIsChild = false;
+            else everyIsChild = true;
+
+            SetRootReference(root);
+
+            if (Application.isPlaying) Initialized = true;
+
+            if ( hasFeet) PrepareFeet();
+
+            if (everyIsChild) EndParentIKBone = MiddleIKBone;
+            else EndParentIKBone = new IKBone(EndIKBone.transform.parent);
+        }
+
+        public void SetBones(Transform startBone, Transform midBone, Transform endBone)
+        {
+            IKBones = new IKBone[3];
+            IKBones[0] = new IKBone(startBone);
+            IKBones[1] = new IKBone(midBone);
+            IKBones[2] = new IKBone(endBone);
+
+            Bones = new FIK_IKBoneBase[3] { IKBones[0], IKBones[1], IKBones[2] };
+
+            IKBones[0].SetChild(IKBones[1]);
+            IKBones[1].SetChild(IKBones[2]);
+
+            IKTargetPosition = endBone.position; IKTargetRotation = endBone.rotation;
+        }
+
+
+        public void SetLegWithFeet(Transform startBone, Transform midBone, Transform endBone, Transform feet)
+        {
+            IKBones = new IKBone[4];
+            IKBones[0] = new IKBone(startBone);
+            IKBones[1] = new IKBone(midBone);
+            IKBones[2] = new IKBone(endBone);
+            IKBones[3] = new IKBone(feet);
+
+            Bones = new FIK_IKBoneBase[4] { IKBones[0], IKBones[1], IKBones[2], IKBones[3] };
+
+            IKBones[0].SetChild(IKBones[1]);
+            IKBones[1].SetChild(IKBones[2]);
+            IKBones[2].SetChild(IKBones[3]);
+
+            IKTargetPosition = endBone.position; IKTargetRotation = endBone.rotation;
+            
+            hasFeet = true;
+        }
+
+        public void SetBones(Transform startBone, Transform endBone)
+        {
+            SetBones(startBone, endBone.parent, endBone);
+        }
+
+    }
+}