Method _startForceLayoutIteration

src/chart/graph/GraphView.ts:247–268

(
        forceLayout: GraphSeriesModel['forceLayout'],
        api: ExtensionAPI,
        layoutAnimation?: boolean
    )

    }

    private _startForceLayoutIteration(
        forceLayout: GraphSeriesModel['forceLayout'],
        api: ExtensionAPI,
        layoutAnimation?: boolean
    ) {
        const self = this;
        let firstRendered = false;
        (function step() {
            forceLayout.step(function (stopped) {
                self.updateLayout(self._model);
                if (stopped || !firstRendered) {
                    firstRendered = true;
                    self._renderThumbnail(self._model, api, self._symbolDraw, self._lineDraw);
                }
                (self._layouting = !stopped) && (
                    layoutAnimation
                        ? (self._layoutTimeout = setTimeout(step, 16) as any)
                        : step()
                );
            });
        })();
    }

    /**
     * @implements RoamHostView['__updateOnOwnRoam']