pixi.js/lib/scene/container/container-mixins/sortMixin.mjs.map

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{"version":3,"file":"sortMixin.mjs","sources":["../../../../src/scene/container/container-mixins/sortMixin.ts"],"sourcesContent":["import type { Container } from '../Container';\n\n/** @ignore */\nexport interface SortMixinConstructor\n{\n    /**\n     * The zIndex of the container.\n     *\n     * Controls the rendering order of children within their parent container.\n     *\n     * A higher value will mean it will be moved towards the front of the rendering order.\n     * @example\n     * ```ts\n     * // Add in any order\n     * container.addChild(character, background, foreground);\n     *\n     * // Adjust rendering order\n     * background.zIndex = 0;\n     * character.zIndex = 1;\n     * foreground.zIndex = 2;\n     * ```\n     * @see {@link Container#sortableChildren} For enabling sorting\n     * @see {@link Container#sortChildren} For manual sorting\n     * @default 0\n     */\n    zIndex?: number;\n    /**\n     * Should children be sorted by zIndex at the next render call.\n     *\n     * Will get automatically set to true if a new child is added, or if a child's zIndex changes.\n     * @default false\n     * @internal\n     */\n    sortDirty?: boolean;\n    /**\n     * If set to true, the container will sort its children by `zIndex` value\n     * when the next render is called, or manually if `sortChildren()` is called.\n     *\n     * This actually changes the order of elements in the array of children,\n     * so it will affect the rendering order.\n     *\n     * > [!NOTE] Also be aware of that this may not work nicely with the `addChildAt()` function,\n     * > as the `zIndex` sorting may cause the child to automatically sorted to another position.\n     * @example\n     * ```ts\n     * container.sortableChildren = true;\n     * ```\n     * @default false\n     */\n    sortableChildren?: boolean;\n}\n\n/**\n * The SortMixin interface provides methods and properties for sorting children of a container\n * based on their `zIndex` values. It allows for automatic sorting of children when their `zIndex`\n * changes or when new children are added. The mixin includes properties to manage sorting state\n * and methods to sort children explicitly.\n * @category scene\n * @advanced\n */\nexport interface SortMixin extends Required<SortMixinConstructor>\n{\n    /** @internal */\n    _zIndex: number;\n    /**\n     * Sorts children by zIndex value. Only sorts if container is marked as dirty.\n     * @example\n     * ```ts\n     * // Basic sorting\n     * particles.zIndex = 2;     // Will mark as dirty\n     * container.sortChildren();\n     * ```\n     * @see {@link Container#sortableChildren} For enabling automatic sorting\n     * @see {@link Container#zIndex} For setting child order\n     */\n    sortChildren: () => void;\n    /** @internal */\n    depthOfChildModified: () => void;\n}\n\n/** @internal */\nexport const sortMixin: Partial<Container> = {\n    _zIndex: 0,\n    sortDirty: false,\n    sortableChildren: false,\n\n    get zIndex()\n    {\n        return this._zIndex;\n    },\n\n    set zIndex(value: number)\n    {\n        if (this._zIndex === value) return;\n\n        this._zIndex = value;\n\n        this.depthOfChildModified();\n    },\n\n    depthOfChildModified()\n    {\n        if (this.parent)\n        {\n            this.parent.sortableChildren = true;\n            this.parent.sortDirty = true;\n        }\n\n        if (this.parentRenderGroup)\n        {\n            this.parentRenderGroup.structureDidChange = true;\n        }\n    },\n\n    sortChildren()\n    {\n        if (!this.sortDirty) return;\n\n        this.sortDirty = false;\n\n        this.children.sort(sortChildren);\n    },\n} as Container;\n\nfunction sortChildren(a: Container, b: Container): number\n{\n    return a._zIndex - b._zIndex;\n}\n"],"names":[],"mappings":";AAiFO,MAAM,SAAA,GAAgC;AAAA,EACzC,OAAA,EAAS,CAAA;AAAA,EACT,SAAA,EAAW,KAAA;AAAA,EACX,gBAAA,EAAkB,KAAA;AAAA,EAElB,IAAI,MAAA,GACJ;AACI,IAAA,OAAO,IAAA,CAAK,OAAA;AAAA,EAChB,CAAA;AAAA,EAEA,IAAI,OAAO,KAAA,EACX;AACI,IAAA,IAAI,IAAA,CAAK,YAAY,KAAA,EAAO;AAE5B,IAAA,IAAA,CAAK,OAAA,GAAU,KAAA;AAEf,IAAA,IAAA,CAAK,oBAAA,EAAqB;AAAA,EAC9B,CAAA;AAAA,EAEA,oBAAA,GACA;AACI,IAAA,IAAI,KAAK,MAAA,EACT;AACI,MAAA,IAAA,CAAK,OAAO,gBAAA,GAAmB,IAAA;AAC/B,MAAA,IAAA,CAAK,OAAO,SAAA,GAAY,IAAA;AAAA,IAC5B;AAEA,IAAA,IAAI,KAAK,iBAAA,EACT;AACI,MAAA,IAAA,CAAK,kBAAkB,kBAAA,GAAqB,IAAA;AAAA,IAChD;AAAA,EACJ,CAAA;AAAA,EAEA,YAAA,GACA;AACI,IAAA,IAAI,CAAC,KAAK,SAAA,EAAW;AAErB,IAAA,IAAA,CAAK,SAAA,GAAY,KAAA;AAEjB,IAAA,IAAA,CAAK,QAAA,CAAS,KAAK,YAAY,CAAA;AAAA,EACnC;AACJ;AAEA,SAAS,YAAA,CAAa,GAAc,CAAA,EACpC;AACI,EAAA,OAAO,CAAA,CAAE,UAAU,CAAA,CAAE,OAAA;AACzB;;;;"}