using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ThrowRotate : MonoBehaviour
{
    public float cd = 1f;

    private float timer = 0f;
    private float angleMove = 0f;

    private float initSpeed=- 8;
    private float addSpeed = 0f;
    // Start is called before the first frame update
    void Start()
    {
        cd = 1f;
        addSpeed = getAddSpeed();
        //addSpeed = 0f;
        print("this addSpeed"+"："+this.addSpeed);
    }

    float getAddSpeed()
    {
        float s = -2 * Mathf.PI;
        float v0 = initSpeed;
        float t = this.cd;
        return ((s - v0 * t) * 2f) / (t * t);
    }

    // Update is called once per frame
    void Update()
    {
        if (timer<cd)
        {
            float ft = Time.deltaTime;
            float oldMove = angleMove;
            angleMove = initSpeed*timer + addSpeed * 0.5f * timer * timer;
            //print(angleMove+" : initSpeed: "+initSpeed+"  addSpeed:"+addSpeed);
           //校验的确是越来越快
          //  print(angleMove-oldMove);
            
            //transform.Rotate(Vector3.forward,(angleMove*180f)/Mathf.PI,Space.Self);
           transform.rotation=Quaternion.Euler(0,0,(angleMove*180f)/Mathf.PI);
            timer += ft;
        }
    }
}
