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knowledge-graph.js
根目录 / assets / animations / fx / knowledge-graph.js
1 (function(){
2 window.HPX = window.HPX || {};
3 window.HPX['knowledge-graph'] = function(el){
4 const U = window.HPX._u;
5 const k = U.canvas(el), ctx = k.ctx;
6 const pal = U.palette(el);
7 const tx = U.text(el, '#e7e7ef');
8 const labels = ['AI','ML','LLM','Graph','Node','Edge','Claude','GPT','RAG','Vector',
9 'Embed','Neural','Agent','Tool','Memory','Logic','Data','Train','Infer','Token',
10 'Prompt','Chain','Plan','Skill','Cloud','Edge','GPU','Code','Task','Flow'];
11 const N = 28;
12 const nodes = Array.from({length:N}, (_,i) => ({
13 x: U.rand(40, 300), y: U.rand(40, 200),
14 vx: 0, vy: 0, label: labels[i%labels.length],
15 c: pal[i%pal.length]
16 }));
17 const edges = [];
18 const made = new Set();
19 while (edges.length < 50){
20 const a = (Math.random()*N)|0, b = (Math.random()*N)|0;
21 if (a===b) continue;
22 const key = a<b ? a+'-'+b : b+'-'+a;
23 if (made.has(key)) continue;
24 made.add(key); edges.push([a,b]);
25 }
26 const stop = U.loop(() => {
27 // physics
28 for (let i=0;i<N;i++){
29 for (let j=i+1;j<N;j++){
30 const a=nodes[i], b=nodes[j];
31 const dx=b.x-a.x, dy=b.y-a.y;
32 let d2=dx*dx+dy*dy; if (d2<1) d2=1;
33 const d=Math.sqrt(d2);
34 const f=1600/d2;
35 const fx=(dx/d)*f, fy=(dy/d)*f;
36 a.vx-=fx; a.vy-=fy; b.vx+=fx; b.vy+=fy;
37 }
38 }
39 for (const [i,j] of edges){
40 const a=nodes[i], b=nodes[j];
41 const dx=b.x-a.x, dy=b.y-a.y, d=Math.hypot(dx,dy)||1;
42 const f=(d-90)*0.008;
43 const fx=(dx/d)*f, fy=(dy/d)*f;
44 a.vx+=fx; a.vy+=fy; b.vx-=fx; b.vy-=fy;
45 }
46 const cx=k.w/2, cy=k.h/2;
47 for (const n of nodes){
48 n.vx += (cx-n.x)*0.002;
49 n.vy += (cy-n.y)*0.002;
50 n.vx *= 0.85; n.vy *= 0.85;
51 n.x += n.vx; n.y += n.vy;
52 }
53 ctx.clearRect(0,0,k.w,k.h);
54 ctx.strokeStyle = 'rgba(180,180,220,0.25)'; ctx.lineWidth=1;
55 for (const [i,j] of edges){
56 const a=nodes[i], b=nodes[j];
57 ctx.beginPath(); ctx.moveTo(a.x,a.y); ctx.lineTo(b.x,b.y); ctx.stroke();
58 }
59 ctx.font='11px system-ui,sans-serif'; ctx.textAlign='center'; ctx.textBaseline='middle';
60 for (const n of nodes){
61 ctx.fillStyle = n.c;
62 ctx.beginPath(); ctx.arc(n.x,n.y,7,0,Math.PI*2); ctx.fill();
63 ctx.fillStyle = tx;
64 ctx.fillText(n.label, n.x, n.y-14);
65 }
66 });
67 return { stop(){ stop(); k.destroy(); } };
68 };
69 })();
70
70 lines JAVASCRIPT