Method setAssetReference

packages/sprite/src/SpriteComponent.ts:267–276

* 设置资产引用 * Set asset reference

(reference: AssetReference<HTMLImageElement>)

     * Set asset reference
     */
    setAssetReference(reference: AssetReference<HTMLImageElement>): void {
        // 释放旧引用 / Release old reference
        if (this._assetReference) {
            this._assetReference.release();
        }
        this._assetReference = reference;
        if (reference) {
            this.textureGuid = reference.guid;
        }
    }

    /**
     * 获取资产引用