ECS Framework API v2.2.13

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ECS Framework API / EntityRef

Function: EntityRef()

EntityRef(): PropertyDecorator

Defined in: packages/core/src/ECS/Decorators/EntityRefDecorator.ts:57

Entity引用装饰器

标记Component属性为Entity引用，自动追踪引用关系。 当被引用的Entity销毁时，该属性会自动设为null。

Returns

PropertyDecorator

Example

class ParentComponent extends Component {
    @EntityRef() parent: Entity | null = null;
}

const parent = scene.createEntity('Parent');
const child = scene.createEntity('Child');
const comp = child.addComponent(new ParentComponent());

comp.parent = parent;
parent.destroy(); // comp.parent 自动变为 null