86 lines
2.7 KiB
C#
86 lines
2.7 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class BeamTower : AimTower
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{
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[SerializeField] private int maxBounces = 4;
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[SerializeField, Range(0f, 50f)] private float damage = 5f;
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[SerializeField] private LayerMask beamMask;
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private const float k_maxBeamDist = 100f;
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[SerializeField] private LineRenderer beam;
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[SerializeField, Range(0.01f, 20f)] private float attackSecondsDelay = 1f;
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protected override void Awake()
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{
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base.Awake();
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horizontalArc.Value.AddListener(UpdateBeam);
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verticalArc.Value.AddListener(UpdateBeam);
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StartCoroutine(AttackLoop());
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}
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private IEnumerator AttackLoop()
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{
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do {
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Vector3 origin = barrel.Tip.position;
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Vector3 rayDir = barrel.transform.forward;
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List<Vector3> hitPoints = new();
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hitPoints.Add(origin);
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for (int i = 0; i < maxBounces; i++)
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{
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Debug.DrawRay(origin, rayDir.normalized * k_maxBeamDist, Color.red, 5f);
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RaycastHit hit;
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if (!Physics.Raycast(origin, rayDir, out hit, k_maxBeamDist, beamMask))
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break;
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// Is damagable?
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HealthComponent healthComp = hit.collider.gameObject.GetComponent<HealthComponent>();
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if (healthComp != null)
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{
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Debug.Log($"hitting {healthComp.name} {i}");
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healthComp.TakeDamage(damage);
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break;
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}
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hitPoints.Add(hit.point);
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rayDir = Vector3.Reflect(rayDir, hit.normal);
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origin = hit.point;
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}
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beam.positionCount = hitPoints.Count;
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beam.SetPositions(hitPoints.ToArray());
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yield return new WaitForSeconds(attackSecondsDelay);
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} while (true);
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}
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private void UpdateBeam(float unused) => UpdateBeam();
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private void UpdateBeam()
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{
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Vector3 origin = barrel.Tip.position;
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Vector3 rayDir = barrel.transform.forward;
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List<Vector3> hitPoints = new();
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hitPoints.Add(origin);
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for (int i = 0; i < maxBounces; i++)
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{
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Debug.DrawRay(origin, rayDir.normalized * k_maxBeamDist, Color.red, 5f);
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RaycastHit hit;
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if (!Physics.Raycast(origin, rayDir, out hit, k_maxBeamDist, beamMask))
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break;
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hitPoints.Add(hit.point);
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rayDir = Vector3.Reflect(rayDir, hit.normal);
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origin = hit.point;
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}
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beam.positionCount = hitPoints.Count;
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beam.SetPositions(hitPoints.ToArray());
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}
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}
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