84 lines
2.4 KiB
C#
84 lines
2.4 KiB
C#
using OTG.Lab06.Abilities;
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using OTG.Lab06.Core;
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using UnityEngine;
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namespace OTG.Lab06.Effects
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{
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[RequireComponent(typeof(Collider))]
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public sealed class FireballEffect : AbilityEffect
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{
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[SerializeField] private float speed = 18f;
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[SerializeField] private float lifeTime = 4f;
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[SerializeField] private LayerMask hitMask = ~0;
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private AbilityCastContext context;
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private Vector3 direction;
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private float remainingLife;
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private bool activated;
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public override void Activate(AbilityCastContext context)
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{
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this.context = context;
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direction = context.Forward;
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remainingLife = Mathf.Min(lifeTime, Mathf.Max(0.5f, context.Ability.castRange / Mathf.Max(1f, speed)));
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activated = true;
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transform.position = context.Origin + direction * 0.9f;
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transform.rotation = Quaternion.LookRotation(direction, Vector3.up);
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}
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private void Awake()
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{
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Collider ownCollider = GetComponent<Collider>();
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ownCollider.isTrigger = true;
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}
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private void Update()
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{
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if (!activated)
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{
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return;
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}
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float step = speed * Time.deltaTime;
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if (Physics.Raycast(transform.position, direction, out RaycastHit hit, step, hitMask, QueryTriggerInteraction.Ignore))
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{
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ApplyHit(hit.collider);
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return;
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}
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transform.position += direction * step;
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remainingLife -= Time.deltaTime;
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if (remainingLife <= 0f)
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{
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Destroy(gameObject);
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}
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}
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private void OnTriggerEnter(Collider other)
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{
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if (!activated || other.transform == context.Caster)
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{
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return;
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}
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ApplyHit(other);
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}
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private void ApplyHit(Collider hitCollider)
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{
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if (hitCollider.transform == context.Caster || hitCollider.GetComponentInParent<AbilityEffect>() != null)
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{
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return;
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}
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IDamageable damageable = hitCollider.GetComponentInParent<IDamageable>();
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if (damageable != null && damageable.IsAlive)
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{
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damageable.TakeDamage(context.Ability.damage);
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}
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Destroy(gameObject);
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}
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}
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}
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