99 lines
2.9 KiB
C#
99 lines
2.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.EventSystems;
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public class CannonScript : MonoBehaviour
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{
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[SerializeField] private GameObject cannon;
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[SerializeField] private GameObject projectile;
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[SerializeField] private float lookDepth;
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[SerializeField] private float cannonForce;
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[SerializeField] private float fireRate = 0.5f;
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[SerializeField]private float fireTimer;
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private bool firing = false;
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[SerializeField]private float damage = 1f;
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private Vector3 lookDir;
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// Start is called before the first frame update
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void Start()
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{
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lookDir = Vector3.zero;
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}
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// Update is called once per frame
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void Update()
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{
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if(firing && !EventSystem.current.IsPointerOverGameObject()){
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fireTimer += Time.deltaTime;
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if(fireTimer >= fireRate){
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GameObject proj = Instantiate(projectile, cannon.transform.position, cannon.transform.rotation);
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proj.GetComponent<Projectile>().SetDamage(damage);
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proj.GetComponent<Rigidbody>().AddForce(cannonForce * lookDir, ForceMode.Impulse);
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fireTimer = 0;
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RaycastHit hit;
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if (Physics.Raycast(transform.position, lookDir, out hit, Mathf.Infinity))
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{
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Debug.DrawRay(transform.position, lookDir * hit.distance, Color.yellow);
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GameObject hitObject = hit.collider.gameObject;
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if (hitObject.tag == "Enemy")
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{
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hitObject.GetComponent<Enemy>().IsShot();
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}
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}
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}
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}else if(fireTimer < fireRate){
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fireTimer += Time.deltaTime;
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}
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}
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private Vector3 GetMouseWorldPosition(){
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Vector3 screenPos = Mouse.current.position.ReadValue();
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screenPos.z = lookDepth;
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Vector3 worldPoint = Camera.main.ScreenToWorldPoint(screenPos);
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return worldPoint;
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}
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public void OnLook(InputAction.CallbackContext ctx){
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Vector3 bodyLookPos= GetMouseWorldPosition(), cannonLookPos = GetMouseWorldPosition();
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bodyLookPos.y = 0;
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gameObject.transform.LookAt(bodyLookPos);
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cannon.transform.LookAt(cannonLookPos);
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lookDir = (cannonLookPos - transform.position).normalized;
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}
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public void OnFire(InputAction.CallbackContext ctx){
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if(ctx.started){//btn pressed
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firing = true;
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}else if(ctx.canceled){//btn released
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firing = false;
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}
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}
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public void SetFireRate(float nFireRate){
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this.fireRate = nFireRate;
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}
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public float GetFireRate(){
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return fireRate;
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}
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public void SetDamage(float dmg){
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this.damage = dmg;
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}
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public float GetDamage(){
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return damage;
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}
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}
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