unity 實時畫曲線

今天寫了一個實時畫曲線的功能，主要是想用於顯示車輛的100公里加速，這里指寫了一個測試還沒能和主程序關聯上

 

using UnityEngine;
using System.Collections;
using System;
using System.Collections.Generic;
public class CurveTest : MonoBehaviour {
    public Material material; 
    private float _speed=0;
    private float _timeA=0;
    private float _timeB=0;
    private bool _isPlay=false;
    
    private LineRenderer lineRenderer;  
    //定義一個Vector3,用來存儲鼠標點擊的位置  
    private Vector3 position;  
    //用來索引端點  
    private int index = 0;  
    //端點數  
    private int LengthOfLineRenderer=0;
    
    //private float[] _arrSpeed;
    private ArrayList _arrSpeed=new ArrayList();
    private int _speedIndex;
    // Use this for initialization
    void Start(){
        InvokeRepeating("OnTimer", 1, 0.1f);
        //添加LineRenderer組件  
        lineRenderer = gameObject.AddComponent<LineRenderer>();  
        //設置材質  
        lineRenderer.material = material;  
        //設置顏色  
        lineRenderer.SetColors(Color.red, Color.yellow);  
        //設置寬度  
        lineRenderer.SetWidth(0.5f, 0.5f);  


    }
    
    // Update is called once per frame
    void Update () {
        lineRenderer = GetComponent<LineRenderer>(); 
        if(Time.timeScale==1){
            if(Input.GetKey(KeyCode.W)){
                _speed+=(110-_speed)/200;
                _isPlay=true;
            }else{
                _speed-=0.1f;
            }
            if(_speed<0){
                _speed=0;
            }else if(_speed>100){
                _speed=100;
                _isPlay=false;
                Time.timeScale=0;
                OnEnd();
            }
            if(_isPlay){
                _timeA = (_timeA+Time.deltaTime);
                _timeB=(Mathf.CeilToInt (_timeA));
            }
        }
        

    }
    void OnGUI(){
        GUILayout.Label(""+_speed);
        GUILayout.Label(""+_timeB);
    }
    void OnTimer(){
        if(Mathf.CeilToInt(_speed)>0){
            _arrSpeed.Add(Mathf.CeilToInt(_speed));
            _speedIndex+=1;
            position=new Vector3(_speedIndex,_speed/2,0);
             //端點數+1  
            LengthOfLineRenderer++;  
            //設置線段的端點數  
            lineRenderer.SetVertexCount(LengthOfLineRenderer); 
            while (index < LengthOfLineRenderer)  
        {     
            //兩點確定一條直線，所以我們依次繪制點就可以形成線段了  
            lineRenderer.SetPosition(index, position);  
            index++;  
        } 
            
        }
    }
    void OnEnd(){
        foreach(object o in _arrSpeed)
        {
            Debug.Log(o);
            gameObject.AddComponent ("SimpleCurve");
            
        }
    }

}