apply boot material

scripts/Player.gd

@@ -43,8 +43,23 @@ func _ready() -> void:
 	add_to_group("player")
 	player_mat = mesh_node.get_surface_override_material(0).duplicate() as StandardMaterial3D
 	mesh_node.set_surface_override_material(0, player_mat)
+	mesh_node_boot.visible = false
 	_setup_indicator()
 
+func _apply_boot_mesh(tier: int) -> void:
+	if tier <= 0:
+		mesh_node_boot.visible = false
+		return
+	mesh_node_boot.visible = true
+	var tex := load("res://assets/boot%d.png" % tier) as Texture2D
+	if tex == null:
+		return
+	var mat := mesh_node_boot.get_surface_override_material(0)
+	if mat == null:
+		mat = StandardMaterial3D.new()
+		mesh_node_boot.set_surface_override_material(0, mat)
+	(mat as StandardMaterial3D).albedo_texture = tex
+
 func _setup_indicator() -> void:
 	indicator_node.position.y = 0.02
 	indicator_node.mesh = _make_kick_arc_mesh()
@@ -280,6 +295,7 @@ func apply_upgrade(id: String) -> void:
 func apply_upgrade_boots(speed_bonus: float, _tier: int) -> void:
 	kick_tier += 1
 	move_speed += speed_bonus
+	_apply_boot_mesh(kick_tier)
 	var tw := create_tween()
 	tw.tween_property(player_mat, "albedo_color", Color(1.0, 0.85, 0.2), 0.1)
 	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.4)