Ragnarök or Reach for Mars

window.renderAt = (t) => {
  if (t >= CUT) return renderFull(t);
  const sstp = Math.floor(t * 15 + 1e-6); if (sstp !== lastShadowStep) { st.renderer.shadowMap.needsUpdate = true; lastShadowStep = sstp; }
  // performances first (some shots frame a prop)
  seerPose(t); manPose(t); for (const v of vikings) vikingPose(v, t); cardsAt(t); propsAt(t);
  const c = camOverride(t, camAt(t)); const sh = shake(t);
  cam.up.copy(c.up); cam.position.copy(c.p).add(V(Math.sin(t * 71) * sh, Math.cos(t * 53) * sh, 0)); cam.lookAt(c.look); cam.fov = c.fov; cam.updateProjectionMatrix();
  // light: lightning through the smoke hole, the fire flaring on the drums and the HEYs
  const lk = lightning(t); hall.userData.flash(lk); hemi.intensity = 0.18 + 0.9 * lk; hemi.color.setRGB(lerp(0.23, 0.6, clamp(lk)), lerp(0.29, 0.7, clamp(lk)), lerp(0.42, 1.0, clamp(lk)));
  const fire = hall.userData.fire; fire.userData.flare = 1.1 * decay(t, T.drums, 0.9) + 0.75 * decay(t, T.heys[0], 0.45) + 0.75 * decay(t, T.heys[1], 0.45) + 0.12 * T.stomps.reduce((s, e) => s + decay(t, e, 0.1), 0);
  hall.userData.update(t, cam, H, cam.fov);
  // captions: constant size on screen whatever the lens; lower third
  const tanH = Math.tan(THREE.MathUtils.degToRad(cam.fov) / 2), k = tanH / Math.tan(THREE.MathUtils.degToRad(20)); const dz = 5.2;
  for (const L of lines) { const on = !CLEAN && t >= L.userData.s && t < L.userData.e; L.visible = on;
    if (on) { const kick = T.heys.reduce((a, e) => a + (t >= e ? Math.exp(-(t - e) / 0.14) : 0), 0);
      placeCaption(L, 'p' + SHOTS[c.i].t.toFixed(2), 0, k, tanH, dz); L.scale.setScalar(k * (1 + 0.05 * kick)); L.userData.kick(0.55 * kick); L.userData.update(t, H, cam.fov / k * 1.0); } }
  st.finish.uniforms.uFlash.value = 0.05 * clamp(lk); st.finish.uniforms.uFlashCol.value.setRGB(0.75, 0.85, 1.0);
  st.finish.uniforms.uFade.value = 1 - sstep(T.preview.end - 0.3, T.preview.end, t);
  st.render(scene, cam, t);
  return st.jpeg(0.94);
};
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