42 lines
889 B
TypeScript
42 lines
889 B
TypeScript
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class Transform {
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/** 相关联的实体 */
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public readonly entity: Entity;
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private _children: Transform[];
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private _parent: Transform;
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public get childCount(){
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return this._children.length;
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}
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constructor(entity: Entity){
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this.entity = entity;
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this._children = [];
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}
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public getChild(index: number){
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return this._children[index];
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}
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public get parent(){
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return this._parent;
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}
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public set parent(value: Transform){
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this.setParent(value);
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}
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public setParent(parent: Transform){
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if (this._parent == parent)
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return this;
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if (this._parent)
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this._parent._children.remove(this);
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if (parent)
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parent._children.push(this);
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this._parent = parent;
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return this;
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}
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}
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