feat: adding tracers to hitscan weapons

weapons/double_barrel_shotgun.gd

@@ -182,8 +182,10 @@ func _shoot_hitscan() -> void:
 		if player:
 			query.exclude = [player.get_rid()]
 			
+		var final_target = target
 		var result = space_state.intersect_ray(query)
 		if result:
+			final_target = result.position
 			var hit_dist = origin.distance_to(result.position)
 			var damage = base_dmg
 			
@@ -193,3 +195,34 @@ func _shoot_hitscan() -> void:
 				
 			if result.collider.has_method("take_damage"):
 				result.collider.take_damage(damage, result.position, player)
+				
+		# Spawn cosmetic tracer
+		var tracer = Node3D.new()
+		tracer.set_script(load("res://weapons/hitscan_tracer.gd"))
+		
+		var t_mesh_inst = MeshInstance3D.new()
+		var t_mesh = CapsuleMesh.new()
+		t_mesh.radius = 0.02
+		t_mesh.height = 1.0
+		var t_mat = StandardMaterial3D.new()
+		t_mat.albedo_color = Color(1.0, 0.8, 0.2)
+		t_mat.emission_enabled = true
+		t_mat.emission = Color(2.0, 1.5, 0.5)
+		t_mesh.material = t_mat
+		
+		t_mesh_inst.mesh = t_mesh
+		t_mesh_inst.rotation.x = deg_to_rad(90)
+		t_mesh_inst.position = Vector3(0, 0, -0.5)
+		tracer.add_child(t_mesh_inst)
+		
+		tracer.target_position = final_target
+		var visual_origin = muzzle_flash.global_position if muzzle_flash else global_position
+		
+		if visual_origin.distance_squared_to(final_target) > 0.1:
+			get_tree().current_scene.add_child(tracer)
+			tracer.global_position = visual_origin
+			
+			var up_vec = Vector3.UP
+			if abs((final_target - visual_origin).normalized().dot(up_vec)) > 0.99:
+				up_vec = Vector3.RIGHT
+			tracer.look_at(final_target, up_vec)