st; last = now; if (document.hidden) return;
PERF.frames.push(ms); if (PERF.frames.length > 240) PERF.frames.shift();
if (S.running && S.t > 2) { PERF.sumMs += ms; PERF.n++; }
const dt = Math.min(ms / 1000, 0.05);
if (S.running) for (let i = 0; i < substeps; i++) update(dt);
renderer.render(scene, camera); adapt(now);
}
/* ======================= BOOT ======================= */
async function boot() {
progress(0.62, 'Building the island…'); await tick();
buildIsland(); progress(0.7, 'Raising the capital…'); await tick();
buildCity(); buildPad(); progress(0.78, 'Fuelling your ship…'); await tick();
buildShip(); alienGeos(); progress(0.86, 'Compiling shaders…'); await tick();
placeOnPad(); S.running = false; updateCamera(0.016); updateEnv(0.016);
const warm = ['scout', 'circler', 'diver', 'mother'].map((t) => makeAlien(t)); // compile every material once: no stutter on first contact
warm.forEach((a, i) => { a.mesh.position.set(i * 20 - 30, 10, -40); });
explode(new V3(0, 10, -40), 0.01); flushPool(sparks);
try { renderer.compile(scene, camera); } catch (e) { /* older drivers */ }
renderer.render(scene, camera);
warm.forEach((a) => { scene.remove(a.mesh); a.hull.dispose(); });
setMuted(AU.muted); setPhase('pad'); S.running = true; requestAnimationFrame(frame);
progress(1, 'Ready');
}
window.__spaceStart = function () { auInit(); $('hud').hidden = false; reset(); }; // the loader's JUMP IN tap (unlocks audio on iOS)
window.SPACE = {
state: S, aliens, input, bot, pad,
stats() { const fr = PERF.frames.slice().sort((a, b) => a - b), avg = fr.reduce((a, b) => a + b, 0) / (fr.length || 1); return { fps: 1000 / avg, avgMs: avg, p95Ms: fr[Math.floor(fr.length * 0.95)] || 0, worstMs: fr[fr.length - 1] || 0, runAvgFps: PERF.n ? 1000 / (PERF.sumMs / PERF.n) : 0, pixelRatio, tier: PERF.tier, calls: renderer.info.render.calls, tris: renderer.info.render.triangles, adapt: PERF.log.slice(), touch: IS_TOUCH, mobile: MOBILE }; },
test: { autopilot(on = true, god = false) { bot.on = on; bot.god = god; }, speed(n) { substeps = clamp(n | 0, 1, 8); }, launch, reset, phase: () => S.phase, alt: () => altOf(S.pos.y) }
};
boot().catch((e) => { progress(1, 'Error: ' + (e && e.message)); console.error(e); });
===== FILE: public/city/space/src/index.html =====
SPACE MISSION · Solid City — epistles