update

scripts/player.gd

@@ -51,11 +51,15 @@ func _ready() -> void:
 	pivot.position.y = 1.5
 	add_child(pivot)
 	arm = SpringArm3D.new()
-	arm.position.x = 0.75
 	arm.spring_length = 6.5
-	arm.margin = 0.3
+	arm.margin = 0.2
+	var arm_form := SphereShape3D.new()
+	arm_form.radius = 0.45          # Kugel statt Strahl: die Kamera klemmt nicht in Wänden
+	arm.shape = arm_form
 	pivot.add_child(arm)
+	arm.add_excluded_object(get_rid())
 	cam = Camera3D.new()
+	cam.position.x = 0.7          # Blick über die Schulter, am Ende des Arms
 	cam.fov = 74.0
 	arm.add_child(cam)
 	set_mode(Mode.TRAUM)