using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class cs01 : MonoBehaviour
{
    int score = 0;
   public AudioClip au1;
    // Start is called before the first frame update
    void Start()
    {
        
    }
 
    // Update is called once per frame
    void Update()
    {
        Vector3 vel;
        //(1) 5 steps to move
        //1.vel.x, vel.y（世界座標）
        vel.x = Input.GetAxis("Horizontal")*5;
        vel.z = Input.GetAxis("Vertical") *5;
 
        //6.轉成局部座標合成向量localvec;
        //Vector3.right, Vector3.forward（世界座標單位向量）
        //transform.right, transform.forward（局部座標單位向量）
        Vector3 localvec;
        localvec = transform.right * vel.x + transform.forward * vel.z;
        vel.x = localvec.x;
        vel.z = localvec.z;
 
        //2.keyup(A)==> vel.x = 0
        if (Input.GetKeyUp(KeyCode.A) || Input.GetKeyUp(KeyCode.D) || Input.GetKeyUp(KeyCode.LeftArrow) || Input.GetKeyUp(KeyCode.RightArrow))
        {
            vel.x = 0;
        }
        if (Input.GetKeyUp(KeyCode.W) || Input.GetKeyUp(KeyCode.S) || Input.GetKeyUp(KeyCode.UpArrow) || Input.GetKeyUp(KeyCode.DownArrow))
        {
            vel.z = 0;
        }
 
        //3.space ==> addforce(up)
        if(Input.GetKeyDown(KeyCode.Space))
        {
            this.gameObject.GetComponent<Rigidbody>().AddForce(Vector3.up*300);
        }
 
        //4.vel.y = 
        vel.y = this.gameObject.GetComponent<Rigidbody>().velocity.y;
 
        //5.velocity
        this.gameObject.GetComponent<Rigidbody>().velocity = vel;
 
        //(2).第一人稱視角，球會跟著滾動
        //解決方法：限制剛體的轉動角度-->constraints
 
        //(3)rotation
        Vector3 rot;
        rot.x = 0;
        rot.z = 0;
        rot.y = Input.GetAxis("Rotate");
        this.gameObject.transform.Rotate(rot);
    }
 
 
 
    private void OnTriggerEnter(Collider other)
    {
        if(other.gameObject.name == "Cylinder (1)" || other.gameObject.name == "Cylinder (2)" || other.gameObject.name == "Cylinder (3)" || other.gameObject.name == "Cylinder (4)" || other.gameObject.name == "Cylinder")
        {
            this.gameObject.GetComponent<AudioSource>().Play();
            score += 20;
            GameObject.Find("Text").GetComponent<Text>().text = score.ToString() + "分";
            if(score ==100)
            {
                GameObject.Find("Text").GetComponent<Text>().text = "恭喜，过关";
                this.gameObject.GetComponent<AudioSource>().clip = au1;
                this.gameObject.GetComponent<AudioSource>().Play();
            }
            Destroy(other.gameObject);
        }
    }
}