Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /** Force simulation — spatial grid repulsion for large graphs; stops when stable. */ export const GRAPH_RUNTIME_PHYSICS = ` let simAlpha = 0; let simRunning = false; let simTicks = 0; function startSimulation(alpha) { simAlpha = alpha == null ? 1 : alpha; simRunning = nodes.length > 0; simTicks = 0; } function stopSimulation() { simRunning = false; simAlpha = 0; simTicks = 0; for (const n of nodes) { n.vx = 0; n.vy = 0; } } function layoutProfile() { if (payload.kind === "delivery") { return { linkDist: 118, linkStr: 0.038, centerStr: 0.0004, repulseScale: 1.45, undirected: true }; } // Import: weak center pull + strong repulsion so hubs do not collapse into a hairball. return { linkDist: 175, linkStr: 0.028, centerStr: 0.00003, repulseScale: 2.35, undirected: false }; } function importRepulseBase(count) { if (count > 400) return 7200; if (count > 150) return 5800; if (count > 80) return 4800; return 4200; } function importCollisionGap(count) { if (count > 400) return 38; if (count > 150) return 32; if (count > 80) return 26; return 20; } function applyPairRepulsion(a, b, alpha, repulse, gap, pushScale) { if (a.pinned && b.pinned) return; let dx = b.x - a.x; let dy = b.y - a.y; let dist = Math.hypot(dx, dy) || 0.001; const collide = a.r + b.r + gap; if (dist < collide) { const push = ((collide - dist) / dist) * pushScale * alpha; const px = dx * push; const py = dy * push; if (!a.pinned) { a.vx -= px; a.vy -= py; } if (!b.pinned) { b.vx += px; b.vy += py; } } const softened = dist * dist + 900; const force = (repulse * alpha) / softened; dx = (dx / dist) * force; dy = (dy / dist) * force; if (!a.pinned) { a.vx -= dx; a.vy -= dy; } if (!b.pinned) { b.vx += dx; b.vy += dy; } } function applyRepulsionGrid(alpha, repulse, gap, cellSize, pushScale) { const grid = new Map(); for (const n of nodes) { const cx = Math.floor(n.x / cellSize); const cy = Math.floor(n.y / cellSize); const key = cx + "," + cy; let bucket = grid.get(key); if (!bucket) { bucket = []; grid.set(key, bucket); } bucket.push(n); } for (const n of nodes) { const cx = Math.floor(n.x / cellSize); const cy = Math.floor(n.y / cellSize); for (let ox = -1; ox <= 1; ox++) { for (let oy = -1; oy <= 1; oy++) { const bucket = grid.get((cx + ox) + "," + (cy + oy)); if (!bucket) continue; for (const other of bucket) { if (other === n) continue; applyPairRepulsion(n, other, alpha, repulse, gap, pushScale); } } } } } function tick() { if (!simRunning) return; simTicks++; const alpha = simAlpha; const count = nodes.length; const isImport = payload.kind === "import"; const profile = layoutProfile(); const linkDist = count > 100 ? profile.linkDist + (isImport ? 45 : 35) : count > 40 ? profile.linkDist + (isImport ? 28 : 18) : profile.linkDist; const gap = isImport ? importCollisionGap(count) : (count > 100 ? 26 : count > 40 ? 20 : 16); const repulse = (isImport ? importRepulseBase(count) : (count > 120 ? 3000 : count > 40 ? 4000 : 4800)) * profile.repulseScale; const linkStr = profile.linkStr; const centerStr = profile.centerStr; const undirected = profile.undirected === true; const pushScale = isImport ? 2.1 : 1.4; const damping = count > 500 ? 0.86 : 0.9; const maxV = count > 500 ? 8 : 12; const useGrid = count > 80; if (useGrid) { const cell = isImport ? Math.max(72, linkDist * 0.85) : Math.max(48, linkDist * 1.1); applyRepulsionGrid(alpha, repulse, gap, cell, pushScale); } else { for (let i = 0; i < nodes.length; i++) { for (let j = i + 1; j < nodes.length; j++) { applyPairRepulsion(nodes[i], nodes[j], alpha, repulse, gap, pushScale); } } } for (const e of edges) { const a = e.from; const b = e.to; let dx = b.x - a.x; let dy = b.y - a.y; const dist = Math.hypot(dx, dy) || 0.01; let str = undirected ? linkStr * 0.55 : linkStr; if (isImport) { const hub = Math.log2((a.deg || 1) + (b.deg || 1) + 1); str /= Math.max(1.2, hub * 0.55); } const force = (dist - linkDist) * str * alpha; dx = (dx / dist) * force; dy = (dy / dist) * force; if (!a.pinned) { a.vx += dx; a.vy += dy; } if (!b.pinned) { b.vx -= dx; b.vy -= dy; } } let energy = 0; for (const n of nodes) { if (n.pinned) continue; n.vx += -n.x * centerStr * alpha; n.vy += -n.y * centerStr * alpha; n.vx *= damping; n.vy *= damping; const v = Math.hypot(n.vx, n.vy); if (v > maxV) { n.vx = (n.vx / v) * maxV; n.vy = (n.vy / v) * maxV; } n.x += n.vx; n.y += n.vy; energy += v; } const decay = count > 300 ? (isImport ? 0.972 : 0.965) : 0.978; simAlpha *= decay; const maxTicks = isImport ? (count > 500 ? 200 : count > 200 ? 240 : 280) : (count > 500 ? 90 : count > 200 ? 140 : 220); if (simTicks >= maxTicks || simAlpha < 0.012 || (simAlpha < 0.35 && energy / Math.max(count, 1) < 0.04)) { stopSimulation(); } } `.trim() |