100 lines
3.0 KiB
C#
100 lines
3.0 KiB
C#
using System;
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using UnityEngine;
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namespace FIMSpace.FTools
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{
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/// <summary>
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/// FC: Base class for processing IK logics
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/// </summary>
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[System.Serializable]
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public abstract class FIK_ProcessorBase
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{
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[Range(0f, 1f)] public float IKWeight = 1f;
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public Vector3 IKTargetPosition;
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public Quaternion IKTargetRotation;
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public Vector3 LastLocalDirection;
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public Vector3 LocalDirection;
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/// <summary> Length of whole bones chain (squared) </summary>
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public float fullLength { get; protected set; }
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public bool Initialized { get; protected set; }
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public FIK_IKBoneBase[] Bones { get; protected set; }
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public FIK_IKBoneBase StartBone { get { return Bones[0]; } }
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public FIK_IKBoneBase EndBone { get { return Bones[Bones.Length - 1]; } }
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public Quaternion StartBoneRotationOffset { get; set; } = Quaternion.identity;
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public virtual void Init(Transform root)
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{
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StartBoneRotationOffset = Quaternion.identity;
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}
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[NonSerialized] public bool CallPreCalibrate = true;
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public virtual void PreCalibrate()
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{
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if (!CallPreCalibrate) return;
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FIK_IKBoneBase child = Bones[0];
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while (child != null)
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{
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child.transform.localRotation = child.InitialLocalRotation;
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child = child.Child;
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}
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}
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public virtual void Update()
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{
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}
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public static float EaseInOutQuint(float start, float end, float value)
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{
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value /= .5f; end -= start;
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if (value < 1) return end * 0.5f * value * value * value * value * value + start; value -= 2;
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return end * 0.5f * (value * value * value * value * value + 2) + start;
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}
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}
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/// <summary>
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/// FC: Base class for IK bones computations
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/// </summary>
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[System.Serializable]
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public abstract class FIK_IKBoneBase
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{
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public FIK_IKBoneBase Child { get; private set; }
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public Transform transform { get; protected set; }
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public float sqrMagn = 0.1f;
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public float BoneLength = 0.1f;
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public float MotionWeight = 1f;
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public Vector3 InitialLocalPosition;
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public Quaternion InitialLocalRotation;
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public Quaternion LastKeyLocalRotation;
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public FIK_IKBoneBase(Transform t)
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{
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transform = t;
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if (transform)
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{
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InitialLocalPosition = transform.localPosition;
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InitialLocalRotation = transform.localRotation;
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LastKeyLocalRotation = t.localRotation;
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}
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}
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public virtual void SetChild(FIK_IKBoneBase child)
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{
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if (child == null) return;
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Child = child;
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sqrMagn = (child.transform.position - transform.position).sqrMagnitude;
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BoneLength = (child.transform.position - transform.position).sqrMagnitude;
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}
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}
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}
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