[游戏开发]【Unity第一个小游戏】Unity中碰撞触发及事件

boom.cs

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

public class Boom : MonoBehaviour
{
    // Start is called before the first frame update
    public void destroy()
    {
        Destroy(gameObject);
        //控制烟雾触发后消失
    }
}

bird.cs

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

public class Bird : MonoBehaviour
{
    private bool IsClick;
    public float MaxDis;
    public Transform LeftPos;
    public Transform RightPos;
    public LineRenderer LLine;
    public LineRenderer RLine;
    private Component[] sps,rgs;
    private SpringJoint2D sp;
    private Rigidbody2D rg;
    // Start is called before the first frame update
    private void Awake()
    {
        sps = GetComponents<SpringJoint2D>();
        rgs = GetComponents<Rigidbody2D>();
    }
    private void OnMouseDown()
    {
        IsClick = true;
        foreach(Rigidbody2D rg in rgs)
        {
            rg.isKinematic = true;
        }
    }
    private void OnMouseUp()
    {
        IsClick = false;
        foreach (Rigidbody2D rg in rgs)
        {
            rg.isKinematic = false;
        }
        Invoke("Fly",0.2f);
    }
    // Update is called once per frame
    private void Update()
    {
        if (IsClick == true)
        {
            transform.position = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            transform.position -= new Vector3(0, 0,Camera.main.transform.position.z);

            if (Vector3.Distance(RightPos.position,transform.position) > MaxDis)
            {
                Vector3 Pos = (transform.position - RightPos.position).normalized;
                Pos = Pos * MaxDis;
                transform.position = Pos + RightPos.position;
            }

            WLine();
        }
    }
    void Fly()
    {
        foreach (SpringJoint2D sp in sps)
        {
            sp.enabled = false;
        }
    }
    void WLine()
    {
        LLine.SetPosition(0, LeftPos.position);
        LLine.SetPosition(1, transform.position);
        RLine.SetPosition(0, RightPos.position);
        RLine.SetPosition(1, transform.position);
    }
}

pig.cs

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

public class pig : MonoBehaviour
{
    public float MaxV = 10;
    public float MinV = 5;
    private SpriteRenderer sp;
    public Sprite hurted;
    public GameObject boom;
    public GameObject score_3000;
    // Start is called before the first frame update
    private void Awake()
    {
        sp = GetComponent<SpriteRenderer>();
    }
    private void OnCollisionEnter2D(Collision2D collision)
    {
        Debug.Log(collision.relativeVelocity.magnitude);
        if (collision.relativeVelocity.magnitude >= 10)
        {
            Destroy(gameObject);
            Instantiate(boom, transform.position, Quaternion.identity);
            GameObject go = Instantiate(score_3000, transform.position + new Vector3(0,0.5f,0), Quaternion.identity);
            Destroy(go, 1.5f);
            //score_3000无法被直接销毁
        }
        else if (collision.relativeVelocity.magnitude > 5 && collision.relativeVelocity.magnitude < 10)
        {
            sp.sprite = hurted; 
        }
    }
}