- implementing biom change

- fixing typo in "highscore"

scenes/ground/spawner/ground_spawner.gd

@@ -0,0 +1,51 @@
+extends Node2D
+
+var texture_new_sprite : Texture
+
+var biom_n = preload("res://assets/Ground/n.png")
+var biom_n_w = preload("res://assets/Ground/n_w.png")
+var biom_w_n = preload("res://assets/Ground/w_n.png")
+var biom_w = preload("res://assets/Ground/w.png")
+
+var active_biom = "n"
+var passed
+
+
+func probability(prozent):
+	return randf() > 1-(0.01*20) # 20% warscheinlichkeit um biom zu tauschen
+
+func handle_biom_change():
+	if active_biom == "n":
+		if probability(20):
+			active_biom = "n_w"
+	elif active_biom == "n_w":
+		active_biom = "w"
+	elif active_biom == "w":
+		active_biom = "w_n"
+	elif active_biom == "w_n":
+		active_biom = "n"
+	set_biom_texture()
+
+func set_biom_texture():
+	#print("activebiom_s: " + active_biom)
+	if active_biom == "w":
+		texture_new_sprite = biom_w
+	elif active_biom == "n":
+		texture_new_sprite = biom_n
+	elif active_biom == "w_n":
+		texture_new_sprite = biom_w_n
+	elif active_biom == "n_w":
+		texture_new_sprite = biom_n_w
+
+
+func _spawn(last_x_position) -> void:
+	var new_ground = preload("res://scenes/ground/ground.tscn").instantiate()
+	new_ground.texture = texture_new_sprite
+	new_ground.global_position.x = last_x_position+400
+	add_child(new_ground)
+	new_ground.connect("screen_entered",_on_ground_sprite_screen_entered)
+
+
+func _on_ground_sprite_screen_entered() -> void:
+	handle_biom_change()
+	_spawn(get_child(0).position.x)