76 lines
2.8 KiB
C#
76 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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using Assets.Scripts.Entities.Attack;
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namespace Assets.Scripts.Entities {
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public class Enemy : Mob {
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[SerializeField]
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private float speed = 1;
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[SerializeField]
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private float rotationSpeed = 1;
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[SerializeField]
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protected GameObject victim;
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[SerializeField]
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private Rigidbody2D body;
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private float nextAttackTime;
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public Enemy(int mHP) : base(mHP) {
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}
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protected virtual void Start() {
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ParticleSystem[] pss = GetComponentsInChildren<ParticleSystem>();
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foreach(ParticleSystem ps in pss) {
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if ( ps.gameObject.name == "spawn" ) {
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ps.Play();
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}
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}
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if ( objective != null ) {
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Player ply = objective.GetPlayer();
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if ( ply != null )
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victim = ply.gameObject;
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}
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if (attack != null)
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nextAttackTime = Time.timeSinceLevelLoad + attack.GetCooldownTime() * (UnityEngine.Random.value + 0.5f);
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}
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void Update() {
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if ( victim == null || attack == null ) {
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if ( objective != null ) {
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Player ply = objective.GetPlayer();
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if ( ply != null )
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victim = ply.gameObject;
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}
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return;
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}
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if ( Time.timeSinceLevelLoad >= nextAttackTime ) {
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RaycastHit2D[] hits = Physics2D.RaycastAll(transform.position, transform.localRotation * Vector3.up, attack.GetRange());
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List<RaycastHit2D> rh = new List<RaycastHit2D>(hits);
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RaycastHit2D hit = rh.Find(x => x.fraction != 0);
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if ( hit.collider != null && hit.collider.gameObject == victim ) {
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Debug.Log("Attacking Player!!!");
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attack.Attack();
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nextAttackTime = Time.timeSinceLevelLoad + attack.GetCooldownTime() * (UnityEngine.Random.value + 0.25f);
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}
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}
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Vector3 distanceToEnemy = victim.transform.position - gameObject.transform.position;
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//rotation
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Vector3 localRotation = gameObject.transform.localRotation * Vector3.up;
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float angleToRotate = Mathf.Round(Vector3.SignedAngle(localRotation, distanceToEnemy.normalized, Vector3.forward));
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gameObject.transform.Rotate(0, 0, angleToRotate * rotationSpeed);
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if ( distanceToEnemy.magnitude < attack.GetRange() ) {
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return;
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}
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// movement
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body.velocity = new Vector2(distanceToEnemy.normalized.x, distanceToEnemy.normalized.y) * speed;
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}
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}
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}
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