无聊写个手势插件
GestureCool
using UnityEngine;
using System.Collections;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
public class GestureCool : SingleFramework {//将一个圆等分称16或者8份,从X轴开始标记,一次为0,1,2,3,4,5,6....15
Dictionary> DicGestures = new Dictionary>();
//手势库string INI_File_Path;
//手势库配置文件信息//当前操作手势名称,可能用于采集识别时候用到
string nowCollectGestureKeyName;
public override void Init()
{
INI_File_Path = Application.dataPath + "/MyFrame/MyLibs/GestureRecognition/GESTURECOOLINI.ini";
}///
/// 读取配置文件中的手势库信息,并绑定到字典库中~
///
bool LoadGesturesFromINI()
{
try
{
string strLoadFromFile = File.ReadAllText(INI_File_Path);
DicGestures = LitJson.JsonMapper.ToObject>(strLoadFromFile);
return true;
}
catch
{
return false;
}
}///
/// 存储字典库中的手势信息到字典
///
public bool SaveGesturesToINI()
{
try
{
string json = LitJson.JsonMapper.ToJson(DicGestures);
File.WriteAllText(INI_File_Path, json, Encoding.Default);
return true;
}
catch
{
return false;
}}///
/// 开始采集手势
///
/// 采集手势的名称
public void StartCollectionWithKeyName(string GestureName)
{
nowCollectGestureKeyName = GestureName;
//已经包含这个手势就追加
if (!DicGestures.ContainsKey(GestureName))
{
DicGestures.Add(GestureName, new List());
}
}///
/// 存储新的识别码
///
/// 【无聊写个手势插件】
/// DrawGesture
using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
using System;
using System.Collections.Generic;
using System.IO;
public class DrawGesture : SingleFramework, IPointerDownHandler, IPointerUpHandler
{
//将一个圆等分称16或者8份,从正上方开始标记,一次为手势0,1,2,3,4,5,6....15
Dictionary> DicGestures = new Dictionary>();
//绘制手势
LineRenderer lineRenderer;
//是否在绘制中
bool isDrawing;
public void OnPointerDown(PointerEventData eventData)
{
isDrawing = true;
drawCounter = 0;
GetPointUpdateCounter = 0;
}public void OnPointerUp(PointerEventData eventData)
{
isDrawing = false;
lineRenderer.SetVertexCount(0);
lstDrawPos3.Clear();
//获取到识别码
string RecoCode = GetRecoCodeByDirectionLst(lstGestures);
//交给库去处理是否是采集
if (GestureCool.instance.SaveRecoCode(RecoCode))
{
Debug.Log("追加手势成功~");
}
else {
Debug.Log("追加手势失败~");
}lstGestures.Clear();
}public override void Init()
{
lineRenderer = this.GetComponent();
}int drawCounter;
//绘点个数int GetPointFrequency = 2;
//取点频率
int GetPointUpdateCounter;
//Update计数器public int RecognitionLevel = 2;
//识别的级别,出现的方向出现RecognitionLevel次以上才确定Vector3 DrawPos;
//绘制点坐标
Vector3 Direction;
//拖拽的方向List lstDrawPos3 = new List();
//所有点集合
List lstGestures = new List();
//所有方向码void Update()
{
if (isDrawing)
{
//绘画中,取点
if (GetPointUpdateCounter++ % GetPointFrequency == 0)//满足取点频率开始取点
{
drawCounter++;
//绘制点的个数
lineRenderer.SetVertexCount(drawCounter);
DrawPos = new Vector3(Input.mousePosition.x - Screen.width / 2, Input.mousePosition.y - Screen.height / 2, Input.mousePosition.z);
lineRenderer.SetPosition(drawCounter - 1, DrawPos);
lstDrawPos3.Add(DrawPos);
//打印出方向
if (drawCounter > 1)
{
Direction = (DrawPos - lstDrawPos3[drawCounter - 2]).normalized;
if (Direction != Vector3.zero)
{
lstGestures.Add(CalculateGesture8art(GetAngelByTwoVector3(Direction)));
}
}
}
}
}///
/// 去除手势中的无效项
///
///
/// RemoveInvalid(List OriLst)
{
List newLst = new List();
int repeatCounter = 1;
for (int i = 0;
i < OriLst.Count;
i++)
{
if (i != 0)
{
//等于前一项
if (OriLst[i] == OriLst[i - 1])
{
repeatCounter++;
if (repeatCounter == RecognitionLevel)
{
newLst.Add(OriLst[i]);
}
}
else//不等于前一项
{
repeatCounter = 1;
}
}
}
return newLst;
}//根据角度计算出对应的部分单一手势(16区域手势)
int CalculateGesture16Part(float Angel)
{
return (int)(((Angel + 11.25f) % 360) / 22.5f);
}//(默认)根据角度计算出对应的部分单一手势(8区域手势)
int CalculateGesture8art(float Angel)
{
return (int)(((Angel + 22.5f) % 360) / 45f);
}//返回目标向量_与X轴正方向 的夹角
float GetAngelByTwoVector3(Vector3 vec3_target)
{
float angelRes = 0;
//先判断方向是否是坐标轴朝向
if (vec3_target.x == 0 && vec3_target.y > 0)//Y轴正向
{
angelRes = 90;
}
else if (vec3_target.x == 0 && vec3_target.y < 0)//Y轴反向
{
angelRes = 270;
}
else if (vec3_target.y == 0 && vec3_target.x > 0)//X轴正向
{
angelRes = 0;
}
else if (vec3_target.y == 0 && vec3_target.x < 0)//X轴反向
{
angelRes = 180;
}
else if (vec3_target.x > 0 && vec3_target.y > 0)//第一象限
{
angelRes = (Mathf.Atan(Mathf.Abs(vec3_target.y) / Mathf.Abs(vec3_target.x)) * Mathf.Rad2Deg);
}
else if (vec3_target.x < 0 && vec3_target.y > 0)//第二象限
{
angelRes = 180 - (Mathf.Atan(Mathf.Abs(vec3_target.y) / Mathf.Abs(vec3_target.x)) * Mathf.Rad2Deg);
}
else if (vec3_target.x < 0 && vec3_target.y < 0)//第三象限
{
angelRes = 180 + (Mathf.Atan(Mathf.Abs(vec3_target.y) / Mathf.Abs(vec3_target.x)) * Mathf.Rad2Deg);
}
else if (vec3_target.x > 0 && vec3_target.y < 0)//第四象限
{
angelRes = 360 - (Mathf.Atan(Mathf.Abs(vec3_target.y) / Mathf.Abs(vec3_target.x)) * Mathf.Rad2Deg);
}
return angelRes;
}///
/// 根据方向集合返回手势识别码
///
///
/// lstDirections)
{
string RecoCode = "";
for (int i = 0;
i < lstDirections.Count;
i++)
{
RecoCode += lstDirections[i].ToString() + "_";
}
RecoCode = RecoCode.TrimEnd('_');
return RecoCode;
}
}
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