wisplite/BLE-mesh-sim
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add nice visualizations and did some work to make connection decisions more accurate

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wisplite
2025-09-08 10:16:44 -05:00
parent 9a332090b6
commit 3aefd7ef8c
4 changed files with 174 additions and 17 deletions
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script.js
+120 -11
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@@ -7,6 +7,8 @@ var nodes = new vis.DataSet([
var edges = new vis.DataSet([
]);
var nodeTable = {};
var container = document.getElementById('simContainer');
var data = {
@@ -37,32 +39,138 @@ var options = {
};
var network = new vis.Network(container, data, options);
let selectedNode = null;
network.on('selectNode', function(properties) {
if (document.getElementById('showRanges').checked) {
selectedNode = properties.nodes[0];
const centerPoint = network.getPosition(properties.nodes[0]);
const centerPointDOM = network.canvasToDOM({x: centerPoint.x, y: centerPoint.y});
const edgePointDOM = network.canvasToDOM({x: centerPoint.x + CONNECTION_DISTANCE, y: centerPoint.y});
const radius = Math.abs(edgePointDOM.x - centerPointDOM.x);
const rangeVis = document.createElement('div');
rangeVis.style.position = 'absolute';
rangeVis.style.top = (centerPointDOM.y - radius) + 'px';
rangeVis.style.left = (centerPointDOM.x - radius) + 'px';
rangeVis.style.width = radius * 2 + 'px';
rangeVis.style.height = radius * 2 + 'px';
rangeVis.classList.add('rangeVis');
document.getElementById('simContainer').appendChild(rangeVis);
}
});
network.on('dragging', function(properties) {
if (document.getElementById('showRanges').checked) {
if (selectedNode != null) {
if (properties.nodes.length > 0) {
selectedNode = properties.nodes[0];
}
const centerPoint = network.getPosition(selectedNode);
const centerPointDOM = network.canvasToDOM({x: centerPoint.x, y: centerPoint.y});
const edgePointDOM = network.canvasToDOM({x: centerPoint.x + CONNECTION_DISTANCE, y: centerPoint.y});
const radius = Math.abs(edgePointDOM.x - centerPointDOM.x);
const rangeVis = document.querySelector('.rangeVis');
if (rangeVis) {
rangeVis.style.top = (centerPointDOM.y - radius) + 'px';
rangeVis.style.left = (centerPointDOM.x - radius) + 'px';
rangeVis.style.width = radius * 2 + 'px';
rangeVis.style.height = radius * 2 + 'px';
} else {
const rangeVis = document.createElement('div');
rangeVis.style.position = 'absolute';
rangeVis.style.top = (centerPointDOM.y - radius) + 'px';
rangeVis.style.left = (centerPointDOM.x - radius) + 'px';
rangeVis.style.width = radius * 2 + 'px';
rangeVis.style.height = radius * 2 + 'px';
rangeVis.classList.add('rangeVis');
document.getElementById('simContainer').appendChild(rangeVis);
}
} else if (properties.nodes.length > 0) {
selectedNode = properties.nodes[0];
const centerPoint = network.getPosition(selectedNode);
const centerPointDOM = network.canvasToDOM({x: centerPoint.x, y: centerPoint.y});
const edgePointDOM = network.canvasToDOM({x: centerPoint.x + CONNECTION_DISTANCE, y: centerPoint.y});
const radius = Math.abs(edgePointDOM.x - centerPointDOM.x);
const rangeVis = document.querySelector('.rangeVis');
if (rangeVis) {
rangeVis.style.top = (centerPointDOM.y - radius) + 'px';
rangeVis.style.left = (centerPointDOM.x - radius) + 'px';
rangeVis.style.width = radius * 2 + 'px';
rangeVis.style.height = radius * 2 + 'px';
}
}
}
});
network.on('zoom', function(properties) {
if (document.getElementById('showRanges').checked) {
if (selectedNode) {
const centerPoint = network.getPosition(selectedNode);
const centerPointDOM = network.canvasToDOM({x: centerPoint.x, y: centerPoint.y});
const edgePointDOM = network.canvasToDOM({x: centerPoint.x + CONNECTION_DISTANCE, y: centerPoint.y});
const radius = Math.abs(edgePointDOM.x - centerPointDOM.x);
const rangeVis = document.querySelector('.rangeVis');
if (rangeVis) {
rangeVis.style.top = (centerPointDOM.y - radius) + 'px';
rangeVis.style.left = (centerPointDOM.x - radius) + 'px';
rangeVis.style.width = radius * 2 + 'px';
rangeVis.style.height = radius * 2 + 'px';
}
}
}
});
network.on('deselectNode', function(properties) {
selectedNode = null;
if (document.getElementById('showRanges').checked) {
const rangeVis = document.querySelector('.rangeVis');
if (rangeVis) {
rangeVis.remove();
}
}
});
// main event loop
function main() {
currentNodes = network.getPositions();
currentNodesKeys = Object.keys(currentNodes);
for (let node1 of currentNodesKeys) {
neighbors = [];
for (let node2 of currentNodesKeys) {
if (node1 !== node2) {
const node1data = currentNodes[node1];
const node2data = currentNodes[node2];
const distance = calculateDistance(node1data, node2data);
const edgeId = `${node1}->${node2}`;
if (distance < CONNECTION_DISTANCE) {
if (!edges.get(edgeId)) {
edges.add({
id: edgeId,
from: node1,
to: node2,
smooth: { enabled: true, type: 'curvedCW', roundness: 0.1 }
});
}
} else if (distance >= CONNECTION_DISTANCE) {
edges.remove(edgeId);
neighbors.push({'node': node2, 'distance': distanceToRSSI(distance), });
} else {
edges.remove(`${node1}->${node2}`);
nodeTable[node1].connections.splice(nodeTable[node1].connections.indexOf(node2), 1);
}
}
}
const scores = [];
for (let neighbor of neighbors) {
let connectionScore = 0;
connectionScore += (100 + neighbor.distance);
connectionScore += 100/nodeTable[neighbor.node].connections.length;
if (nodeTable[neighbor.node].connections.length == 0) {
connectionScore += 100;
}
if (nodeTable[neighbor.node].connections.length > 3) {
continue;
}
scores.push({'node': neighbor.node, 'score': connectionScore});
}
scores.sort((a, b) => b.score - a.score);
top3 = scores.slice(0, 3);
for (let score of top3) {
if (nodeTable[node1].connections.includes(score.node)) {
continue;
}
nodeTable[node1].connections.push(score.node);
connectNodes(node1, score.node);
}
}
setTimeout(main, UPDATE_INTERVAL);
}
@@ -71,4 +179,5 @@ main();
document.getElementById('addNode').addEventListener('click', function() {
const nodeId = generateRealisticLabel();
nodes.add({id: nodeId, label: nodeId});
nodeTable[nodeId] = {'connections': []};
});