Function simpleLayoutEdge

src/chart/graph/simpleLayoutHelper.ts:42–60

(graph: Graph, seriesModel: GraphSeriesModel)

}

export function simpleLayoutEdge(graph: Graph, seriesModel: GraphSeriesModel) {
    graph.eachEdge(function (edge, index) {
        const curveness = zrUtil.retrieve3(
            edge.getModel<GraphEdgeItemOption>().get(['lineStyle', 'curveness']),
            -getCurvenessForEdge(edge, seriesModel, index, true),
            0
        );
        const p1 = vec2.clone(edge.node1.getLayout());
        const p2 = vec2.clone(edge.node2.getLayout());
        const points = [p1, p2];
        if (+curveness) {
            points.push([
                (p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * curveness,
                (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * curveness
            ]);
        }
        edge.setLayout(points);
    });
}