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playdate by lua "CoreLibs/object.lua:65: field 'baseObject' is not callable (a nil value)"

Posted at

CoreLibs/object.lua:65: field 'baseObject' is not callable (a nil value)

躓いたので...
ゲームを作る上でまずはタイトル画面を作ろうと思いまして
Sceneを別クラスで実装した訳です。
しかし、以下のようなコードで仮作成してさて挙動を確認しようとしたら...

スクリーンショット 2023-10-26 20.03.02.png

local pd <const> = playdate
local gfx <const> = pd.graphics

class('TitleScene').extends(gfx.sprite)

function TitleScene:init()
    print("TitleScene:init")
end

function TitleScene:update()
    print("TitleScene:update")
end

解決策

import "CoreLibs/sprites"

はいw
classに関連してCoreLibs/spritesのimportが必要でした

明示的に記載あるわけではないけど、playdateでゲームを作る場合、main.luaなりなんなりに公式で記載のあるimportはしといた方がいいですね。

https://sdk.play.date/2.0.3/Inside%20Playdate.html#basic-playdate-game
スクリーンショット 2023-10-26 20.09.53.png

私の場合不要なimportはしないのがデフォルトなので、気づくのに時間かかりました。
「CoreLibs/object.lua:65」の中身見れたらもっといいんだけどな...

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