// Define the id of your board in BOARDID
const board = JXG.JSXGraph.initBoard(BOARDID, {
boundingbox: [-0.2, 1.2, 1.2, -0.5],
keepaspectratio: true
});
var i, len = 25,
p = [];
// Create points
for (i = 0; i < len; i++) {
p[i] = board.create('point', [Math.random(), Math.random()], {
face: 'o',
size: 10,
strokeColor: 'red',
fillColor: 'red',
fillOpacity: 0.4,
strokeOpacity: 0.4,
withLabel: false
});
}
// Start animation: remove colliding points
setInterval(function() {
var i, j;
for (i = 0; i < p.length; i++) {
p[i].moveTo([Math.random(), Math.random()], 1000);
}
i = 0;
while (i < p.length) {
for (j = i + 1; j < p.length; j++) {
if (p[i].Dist(p[j]) < 0.075) {
brd.removeObject(p[j]);
p.splice(j, 1);
brd.removeObject(p[i]);
p.splice(i, 1);
i--;
break;
}
}
i++;
}
}, 2000);