graph.eachEdge(function (edge) {
var curveness = edge.getModel().get('lineStyle.curveness') || 0;
var p1 = vec2.clone(edge.node1.getLayout());
var p2 = vec2.clone(edge.node2.getLayout());
var 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);
});
graph.eachEdge(function (edge) {
var curveness = edge.getModel().get('lineStyle.curveness') || 0;
var p1 = vec2.clone(edge.node1.getLayout());
var p2 = vec2.clone(edge.node2.getLayout());
var cp1;
var x12 = (p1[0] + p2[0]) / 2;
var y12 = (p1[1] + p2[1]) / 2;
if (+curveness) {
curveness *= 3;
cp1 = [
cx * curveness + x12 * (1 - curveness),
cy * curveness + y12 * (1 - curveness)
];
}
edge.setLayout([p1, p2, cp1]);
});