Better bullet traces and raycast for hitscan

scenes/characters/blue/head_collision.gd

@@ -0,0 +1,16 @@
+extends Area3D
+
+@export var damage: int = 100
+
+signal body_part_hit(dam)
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func hit():
+	emit_signal("body_part_hit", damage)