feat: adding tracers to hitscan weapons

weapons/base_hitscan_weapon.gd

@@ -130,6 +130,7 @@ func _shoot_hitscan() -> void:
 		
 	var hits_remaining = penetration_count + 1
 	var current_damage_mult = 1.0
+	var final_target = target
 	
 	while hits_remaining > 0:
 		var result = space_state.intersect_ray(query)
@@ -156,3 +157,35 @@ func _shoot_hitscan() -> void:
 		
 		hits_remaining -= 1
 		current_damage_mult *= penetration_damage_penalty
+		final_target = result.position
+
+	# 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) # Yellow-orange tracer
+	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) # Orient capsule along Z axis
+	t_mesh_inst.position = Vector3(0, 0, -0.5) # Shift it half a meter forward so the tail is at the origin
+	tracer.add_child(t_mesh_inst)
+	
+	tracer.target_position = final_target
+	var visual_origin = muzzle_flash.global_position if muzzle_flash else global_position # Spawn from the barrel tip
+	
+	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)