83 lines
2.7 KiB
C#
83 lines
2.7 KiB
C#
using UnityEngine;
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public class Enemy : MonoBehaviour
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{
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public float speed = 1.5f;
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private Transform tower;
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private EnemyHealth enemyHealth;
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private float slowMultiplier = 1f;
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private float slowEndTime;
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private float stunEndTime;
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private Vector2 knockbackVelocity;
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private float knockbackEndTime;
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void Start()
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{
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GameObject towerObject = GameObject.FindGameObjectWithTag("Tower");
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if (towerObject != null)
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{
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tower = towerObject.transform;
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}
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enemyHealth = GetComponent<EnemyHealth>();
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}
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void Update()
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{
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if (tower == null || enemyHealth == null) return;
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if (Time.time >= slowEndTime)
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slowMultiplier = 1f;
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if (Time.time < stunEndTime)
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return;
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if (Time.time < knockbackEndTime && knockbackVelocity.sqrMagnitude > 0.01f)
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{
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transform.position += (Vector3)(knockbackVelocity * Time.deltaTime);
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knockbackVelocity = Vector2.Lerp(knockbackVelocity, Vector2.zero, 8f * Time.deltaTime);
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return;
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}
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transform.position = Vector2.MoveTowards(transform.position, tower.position, speed * slowMultiplier * Time.deltaTime);
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if (Vector2.Distance(transform.position, tower.position) < 0.5f)
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{
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int damageDealt = enemyHealth.GetCurrentHealth();
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tower.GetComponent<TowerHealth>().TakeDamage(damageDealt);
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enemyHealth.NotifySpawner();
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if (enemyHealth.isBoss && enemyHealth.spawner != null)
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enemyHealth.spawner.HideBossHealth(enemyHealth);
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Destroy(gameObject);
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}
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}
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public void ApplySlow(float multiplier, float duration)
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{
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slowMultiplier = Mathf.Min(slowMultiplier, Mathf.Clamp(multiplier, 0.1f, 1f));
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slowEndTime = Mathf.Max(slowEndTime, Time.time + duration);
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}
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public void ApplyStun(float duration)
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{
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stunEndTime = Mathf.Max(stunEndTime, Time.time + duration);
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}
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public void PullToward(Vector2 point, float distance)
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{
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Vector2 direction = (point - (Vector2)transform.position).normalized;
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if (direction.sqrMagnitude <= Mathf.Epsilon)
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return;
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transform.position += (Vector3)(direction * distance);
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}
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public void ApplyKnockback(Vector2 source, float distance)
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{
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Vector2 direction = ((Vector2)transform.position - source).normalized;
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if (direction.sqrMagnitude <= Mathf.Epsilon)
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return;
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transform.position += (Vector3)(direction * distance * 0.45f);
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knockbackVelocity = direction * Mathf.Max(2.5f, distance * 12f);
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knockbackEndTime = Time.time + 0.22f;
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}
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}
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