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test that forceCollide jiggles in a reproducible way

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This commit is contained in:
Philippe Rivière 2020-08-15 13:30:10 +02:00
parent d0b28dee7e
commit 127cbb778c
1 changed files with 9 additions and 0 deletions
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test/collide-test.js
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@ -46,3 +46,12 @@ tape("forceCollide jiggles equal positions", function(test) {
test.equal(a.vy, -b.vy);
test.end();
});
tape("forceCollide jiggles in a reproducible way", function(test) {
const nodes = Array.from({length:10}, () => ({x:0,y:0}));
force.forceSimulation()
.nodes(nodes)
.force("collide", force.forceCollide()).stop().tick(50);
test.nodeEqual(nodes[0], {x: -5.371433857229194, y: -2.6644608278592576, index: 0, vy: 0, vx: 0});
test.end();
});