init

Assets/90 - Scripts/Generic/Projectile/Drawers/BeamProjectileDrawer.cs

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+using Sirenix.OdinInspector;
+using UnityEngine;
+
+namespace VOID.Generic.Projectile.Drawers
+{
+    public class BeamProjectileDrawer : MonoBehaviour
+    {
+        [Title("Positions")]
+        [SerializeField] private bool autoPositions;
+        [HideIf(nameof(autoPositions))] [SerializeField] [Required] private Transform from;
+        [HideIf(nameof(autoPositions))] [SerializeField] [Required] private Transform to;
+        
+        [Title("Prefabs")]
+        [InfoBox("Those prefabs are from addon MagicArsenal located in <b>Assets/_ADDONS/MagicArsenal/Effects/Prefabs/Beams/Setup</b>")]
+        [SerializeField] [Required] private GameObject beamLineRendererPrefab;
+        [SerializeField] [Required] private GameObject beamStartPrefab;
+        [SerializeField] [Required] private GameObject beamEndPrefab;
+
+        [Title("Beam Options")] 
+        [SerializeField] private float textureScrollSpeed = 5f;
+        [SerializeField] private float textureLengthScale = 5f;
+
+        [Title("Width Pulse Options")] 
+        [SerializeField] private float startScale = 1.0f;
+        [SerializeField] private float endScale = 1.0f;
+        [SerializeField] private float pulseSpeed = 1.0f;
+
+        private GameObject _beamStart;
+        private GameObject _beamEnd;
+        private GameObject _beam;
+        private LineRenderer _line;
+        
+        private float _lerpValue;
+        private bool _pulseExpanding;
+
+        public void Awake()
+        {
+            if (autoPositions)
+            {
+                GetComponent<ProjectileObject>().onStart.AddListener(SetPositions);
+            }
+        }
+        
+        private void Start()
+        {
+            SpawnBeam();
+        }
+
+        private void SetPositions(ProjectileObject projectile)
+        {
+            from = projectile.caster.unitData.castPosition;
+            to = projectile.gameObject.transform;
+        }
+
+        private void FixedUpdate()
+        {
+            if (_beam)
+            {
+                var fromPosition = from.position;
+                var toPosition = to.position;
+                
+                _line.SetPosition(0, fromPosition);
+                _line.SetPosition(1, toPosition);
+                
+                _beamStart.transform.position = fromPosition;
+                _beamStart.transform.LookAt(toPosition);
+                _beamEnd.transform.position = toPosition;
+                _beamEnd.transform.LookAt(fromPosition);
+                
+                var distance = Vector3.Distance(fromPosition, toPosition);
+                
+                //This sets the scale of the texture so it doesn't look stretched
+                _line.material.mainTextureScale = new Vector2(distance / textureLengthScale, 1);
+                //This scrolls the texture along the beam if not set to 0
+                _line.material.mainTextureOffset -= new Vector2(Time.deltaTime * textureScrollSpeed, 0);
+            }
+
+            _lerpValue += (_pulseExpanding ? 1 : -1) * Time.deltaTime * pulseSpeed;
+
+            if (_lerpValue >= 1.0f)
+            {
+                _pulseExpanding = false;
+                _lerpValue = 1.0f;
+            }
+            else if (_lerpValue <= 0.0f)
+            {
+                _pulseExpanding = true;
+                _lerpValue = 0.0f;
+            }
+
+            var currentWidth = Mathf.Lerp(startScale, endScale, Mathf.Sin(_lerpValue * Mathf.PI));
+
+            _line.startWidth = currentWidth;
+            _line.endWidth = currentWidth;
+        }
+
+        private void SpawnBeam()
+        {
+            if (!beamLineRendererPrefab) return;
+            
+            _beam = Instantiate(beamLineRendererPrefab);
+            _beam.transform.position = transform.position;
+            _beam.transform.parent = transform;
+            _beam.transform.rotation = transform.rotation;
+
+            _line = _beam.GetComponent<LineRenderer>();
+            _line.useWorldSpace = true;
+            _line.positionCount = 2;
+
+            _beamStart = beamStartPrefab ? Instantiate(beamStartPrefab, _beam.transform) : null;
+            _beamEnd = beamEndPrefab ? Instantiate(beamEndPrefab, _beam.transform) : null;
+        }
+    }
+}

Assets/90 - Scripts/Generic/Projectile/Drawers/BeamProjectileDrawer.cs.meta

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+fileFormatVersion: 2
+guid: 4e925d1593dd43368f3237aa42ca8315
+timeCreated: 1719507917