skywalking-booster-ui/src/views/dashboard/related/topology/utils/simulation.ts

57 lines
1.7 KiB
TypeScript

/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
export const simulationInit = (
d3: any,
dataNodes: any,
dataLinks: any,
ticked: any
) => {
const simulation = d3
.forceSimulation(dataNodes)
.force(
"collide",
d3.forceCollide().radius(() => 60)
)
.force("yPos", d3.forceY().strength(1))
.force("xPos", d3.forceX().strength(1))
.force("charge", d3.forceManyBody().strength(-520))
.force(
"link",
d3.forceLink(dataLinks).id((d: { id: string }) => d.id)
)
.force(
"center",
d3.forceCenter(window.innerWidth / 2, window.innerHeight / 2 - 20)
)
.on("tick", ticked)
.stop();
simulationSkip(d3, simulation, ticked);
return simulation;
};
export const simulationSkip = (d3: any, simulation: any, ticked: any) => {
d3.timeout(() => {
const n = Math.ceil(
Math.log(simulation.alphaMin()) / Math.log(1 - simulation.alphaDecay())
);
for (let i = 0; i < n; i += 1) {
simulation.tick();
ticked();
}
});
};