deltavr multiplayer 2.0

Assets/_PROJECT/Components/Drawing/Scripts/SprayGun.cs

@@ -0,0 +1,95 @@
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+namespace _PROJECT.Components.Drawing
+{
+    public class SprayGun : XRGrabInteractable
+    {
+        public GameObject trigger;
+        public ParticleSystem sprayPart;
+        public Transform sprayPoint;
+        public float maxDistance = 0.5f;
+
+        public Color sprayColor;
+        public int spraySize = 100;
+
+        private int _layerMask;
+
+        private float _cooldownTimer = 0f;
+        private bool _isSpraying;
+
+        protected override void OnActivated(ActivateEventArgs args)
+        {
+            base.OnActivated(args);
+            StartSpray();
+        }
+
+        protected override void OnDeactivated(DeactivateEventArgs args)
+        {
+            base.OnDeactivated(args);
+            StopSpray();
+        }
+
+        private new void Awake()
+        {
+            base.Awake();
+            sprayPart.Stop(true, ParticleSystemStopBehavior.StopEmitting);
+            _isSpraying = false;
+            _layerMask = 1 << LayerMask.NameToLayer("Paintable");
+        }
+
+        private void StartSpray()
+        {
+            _isSpraying = true;
+            trigger.transform.Rotate(0f, 0f, -8.5f);
+            sprayPart.Play(true);
+        }
+
+        private void StopSpray()
+        {
+            _isSpraying = false;
+            trigger.transform.Rotate(0f, 0f, 8.5f);
+            sprayPart.Stop(true, ParticleSystemStopBehavior.StopEmitting);
+        }
+
+        private void Update()
+        {
+            if (!isSelected || !_isSpraying)
+            {
+                if (!sprayPart.isPlaying) return;
+                sprayPart.Stop(true, ParticleSystemStopBehavior.StopEmitting);
+                _isSpraying = false;
+                return;
+            }
+
+            if (_cooldownTimer > 0f)
+            {
+                _cooldownTimer -= Time.deltaTime;
+                return;
+            }
+
+            RaycastHit hit;
+            if (!Physics.Raycast(sprayPoint.position, sprayPoint.forward, out hit, maxDistance, _layerMask))
+            {
+                Debug.Log("No hit");
+                Debug.DrawLine(sprayPoint.position, sprayPoint.position + sprayPoint.forward * maxDistance, Color.red);
+                _cooldownTimer = 0.1f;
+                return;
+            }
+
+            Debug.Log("Hit " + hit.collider.name);
+            Debug.DrawLine(sprayPoint.position, hit.point, Color.green); // Draw a line in the scene view
+
+            TextureDrawing textureDrawing = hit.collider.GetComponent<TextureDrawing>();
+            if (textureDrawing == null) return;
+            Vector2 textureCoord = hit.textureCoord;
+
+            // Calculate the spray size based on the distance from the spray point to the hit point
+            int adjustedSpraySize = Mathf.RoundToInt(Mathf.Lerp(0f, spraySize,
+                Vector3.Distance(sprayPoint.position, hit.point) / maxDistance));
+            _cooldownTimer = 0.05f;
+            
+            textureDrawing.Draw(textureCoord, sprayColor, adjustedSpraySize, sprayPoint.forward);
+        }
+    }
+}