feat: adding tracers to hitscan weapons

weapons/hitscan_tracer.gd

@@ -0,0 +1,22 @@
+extends Node3D
+class_name HitscanTracer
+
+var speed: float = 300.0 # Extremely fast
+var target_position: Vector3
+var distance_traveled: float = 0.0
+var max_distance: float = 0.0
+
+func _ready() -> void:
+	max_distance = global_position.distance_to(target_position)
+	if max_distance < 0.1:
+		queue_free()
+
+func _physics_process(delta: float) -> void:
+	var move_dist = speed * delta
+	distance_traveled += move_dist
+	
+	if distance_traveled >= max_distance:
+		# Reached target
+		queue_free()
+	else:
+		global_position += -global_transform.basis.z * move_dist