代码有需要完善的地方，博主只是简单的实现了功能，具体细节要看需求，
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using Leap;using System.Collections;using System.Collections.Generic;using UnityEngine;using Leap.Unity;public class ControlAnimation : MonoBehaviour{LeapProvider provider;public HandModelBase leftHandModel;public HandModelBase rightHandModel;private const float rotate_sensitive = 1500f; //旋转灵敏度private const float displacement_sensitive = 0.015f; //位移灵敏度private const float rotate_initial_value = 0f; //旋转初始位置值/// <summary>/// 判断条件 尽量勿动/// </summary>const float smallestVelocity = 0.1f;const float deltaVelocity = 0.000001f;const float deltaCloseFinger = 0.06f;void Start(){provider = FindObjectOfType<LeapProvider>() as LeapProvider;}void Update(){//Scale();Rotation();// Position();}/// <summary>/// 缩小/// </summary>public void Scale(){Frame frame = provider.CurrentFrame;foreach (Hand hand in frame.Hands){if (isOpenFullHand(hand)){Debug.Log("大");Vector3 value = transform.localScale;value += new Vector3(value.x * 0.01f, value.y * 0.01f, value.z * 0.01f);// Debug.Log(value);transform.localScale = value;}if (isCloseHand(hand)){Debug.Log("小");Vector3 value = transform.localScale;value -= new Vector3(value.x * 0.01f, value.y * 0.01f, value.z * 0.01f);// Debug.Log(value);transform.localScale = value;}}}/// <summary>/// 旋转/// </summary>public void Rotation(){Frame frame = provider.CurrentFrame;foreach (Hand hand in frame.Hands){if (hand.IsLeft || hand.IsRight){Vector3 value = transform.localEulerAngles;value = new Vector3(hand.PalmPosition.y * rotate_sensitive + rotate_initial_value, hand.PalmPosition.x * rotate_sensitive + rotate_initial_value, 0);transform.localEulerAngles = value;}else{hand.PalmPosition.y = transform.localEulerAngles.x;hand.PalmPosition.x = transform.localEulerAngles.y;}}}/// <summary>/// 位移/// </summary>public void Position(){Frame frame = provider.CurrentFrame;foreach (Hand hand in frame.Hands){if (hand.IsLeft || hand.IsRight){if (isMoveLeft(hand)){transform.localPosition = new Vector3(hand.PalmPosition.y * displacement_sensitive, 0, 0) + transform.localPosition;}if (isMoveRight(hand)){transform.localPosition = new Vector3(-hand.PalmPosition.y * displacement_sensitive, 0, 0) + transform.localPosition;}}}}protected bool isMoveRight(Hand hand)// 手划向右边{return hand.PalmVelocity.x > deltaVelocity && !isStationary(hand);} protected bool isMoveLeft(Hand hand) // 手划向左边{//x轴移动的速度 deltaVelocity = 0.7f isStationary (hand) 判断hand是否禁止 return hand.PalmVelocity.x < -deltaVelocity && !isStationary(hand);}protected bool isStationary(Hand hand)// 固定不动的 {return hand.PalmVelocity.Magnitude < smallestVelocity;}protected bool isCloseHand(Hand hand)//是否握拳 {List<Finger> listOfFingers = hand.Fingers;int count = 0;for (int f = 0; f < listOfFingers.Count; f++){ //循环遍历所有的手~~Finger finger = listOfFingers[f];if ((finger.TipPosition - hand.PalmPosition).Magnitude < deltaCloseFinger) // Magnitude 向量的长度 。是(x*x+y*y+z*z)的平方根。 //float deltaCloseFinger = 0.05f;{count++;// if (finger.Type == Finger.FingerType.TYPE_THUMB)// Debug.Log ((finger.TipPosition - hand.PalmPosition).Magnitude);}}return (count == 5);}protected bool isOpenFullHand(Hand hand) //手掌全展开~{//Debug.Log (hand.GrabStrength + " " + hand.PalmVelocity + " " + hand.PalmVelocity.Magnitude);return hand.GrabStrength == 0;}}
