Shared memory and context tools for agentic work.
Code Rooms
import { Html } from "@react-three/drei";
import { useRef, useMemo } from "react";
import { useFrame, useThree } from "@react-three/fiber";
import * as THREE from "three";
const ADD = THREE.AdditiveBlending;
function hashPos(p: [number, number, number]): number {
return Math.abs(Math.sin(p[0] * 127.1 + p[1] * 311.7 + p[2] * 74.7)) * Math.PI * 2;
}
interface PulseRingProps {
color: string;
period: number;
maxR: number;
function PulseRingEmit({ color, period, maxR }: PulseRingProps) {
const r1 = useRef<THREE.Mesh>(null);
const r2 = useRef<THREE.Mesh>(null);
const { camera } = useThree();
useFrame(({ clock }) => {
const t = clock.getElapsedTime();
[r1, r2].forEach((ref, i) => {
if (!ref.current) return;
const phase = (t / period + i * 0.5) % 1;
// Cubic ease-out expansion: rapid start, graceful fade
const eased = 1 - Math.pow(1 - phase, 2.2);
ref.current.scale.set(eased * maxR, eased * maxR, 1);
// Opacity: full early, then sudden drop off at 60%
const mat = ref.current.material as THREE.MeshBasicMaterial;
mat.opacity = phase < 0.65 ? (1 - phase / 0.65) * 0.55 : 0;
// Always face camera
ref.current.lookAt(camera.position);
});
return (
<>
<mesh ref={r1}>
<ringGeometry args={[0.82, 1, 64]} />
<meshBasicMaterial
color={color}
transparent
opacity={0.55}
side={THREE.DoubleSide}
blending={ADD}
depthWrite={false}
/>
</mesh>
<mesh ref={r2}>
opacity={0}
</>
);
export interface NamedNodeProps {
position: [number, number, number];
label: string;
sublabel?: string;
color?: string;
activationTime?: number;
cycleLength?: number;
size?: number;
emitPulse?: boolean;
pulsePeriod?: number;
export function NamedNode({
position,
label,
sublabel,
color = "#00f5ff",
activationTime = 0,
cycleLength = 9,
size = 0.22,
emitPulse = false,
pulsePeriod = 2.5,
}: NamedNodeProps) {
const driftGroupRef = useRef<THREE.Group>(null);
const coreRef = useRef<THREE.MeshBasicMaterial>(null);
const corona1Ref = useRef<THREE.MeshBasicMaterial>(null);
const corona2Ref = useRef<THREE.MeshBasicMaterial>(null);
const ambientRef = useRef<THREE.MeshBasicMaterial>(null);
const labelRef = useRef<HTMLDivElement>(null);
const colorObj = useMemo(() => new THREE.Color(color), [color]);
const coreColor = useMemo(
() => new THREE.Color(color).lerp(new THREE.Color("#ffffff"), 0.5),
[color]
const dim = useMemo(() => new THREE.Color("#05050e"), []);
// Unique drift phase per node — so all nodes breathe differently
const driftPhase = useMemo(() => hashPos(position), []);
const wasActive = useRef(false);
const flash = useRef(0);
const cycle = t % cycleLength;
const isActive = cycle >= activationTime;
// Detect rising edge → activation flash
if (isActive && !wasActive.current) {
wasActive.current = true;
flash.current = 5.0;
if (!isActive) wasActive.current = false;
flash.current = Math.max(1.0, flash.current * 0.86);
// Organic position drift on inner group
if (driftGroupRef.current) {
driftGroupRef.current.position.x = Math.sin(t * 0.73 + driftPhase) * 0.05;
driftGroupRef.current.position.y = Math.cos(t * 0.51 + driftPhase * 1.31) * 0.05;
driftGroupRef.current.position.z = Math.sin(t * 0.61 + driftPhase * 0.71) * 0.03;
const fi = flash.current;
const breathe = 0.85 + Math.sin(t * 1.4 + driftPhase) * 0.15;
// Layer 1 — bright core (white-ish, small)
if (coreRef.current) {
coreRef.current.color.lerpColors(dim, coreColor, isActive ? 1 : 0.04);
const tgt = isActive ? Math.min(fi, 1.0) : 0.04;
coreRef.current.opacity += (tgt - coreRef.current.opacity) * 0.14;
// Layer 2 — inner corona (full color, 3× size)
if (corona1Ref.current) {
corona1Ref.current.color.lerpColors(dim, colorObj, isActive ? 1 : 0);
const tgt = isActive ? Math.min(fi * 0.48, 0.72) * breathe : 0.0;
corona1Ref.current.opacity += (tgt - corona1Ref.current.opacity) * 0.1;
// Layer 3 — mid glow (5× size, pulsing)
if (corona2Ref.current) {
const tgt = isActive ? (0.18 + Math.sin(t * 1.7 + driftPhase) * 0.06) * breathe : 0.0;
corona2Ref.current.opacity += (tgt - corona2Ref.current.opacity) * 0.07;
// Layer 4 — outer ambient (10× size, ultra-faint)
if (ambientRef.current) {
const tgt = isActive ? (0.055 + Math.sin(t * 0.9 + driftPhase) * 0.018) : 0.0;
ambientRef.current.opacity += (tgt - ambientRef.current.opacity) * 0.05;
// Label fade
if (labelRef.current) {
const cur = parseFloat(labelRef.current.style.opacity || "0");
labelRef.current.style.opacity = String(cur + ((isActive ? 1 : 0) - cur) * 0.1);
<group position={position}>
<group ref={driftGroupRef}>
{/* Core — tiny white-ish center */}
<mesh>
<sphereGeometry args={[size, 24, 24]} />
ref={coreRef}
color="#05050e"
opacity={0.04}
{/* Inner corona */}
<sphereGeometry args={[size * 2.8, 16, 16]} />
ref={corona1Ref}
opacity={0.0}
{/* Mid glow */}
<sphereGeometry args={[size * 5.5, 12, 12]} />
ref={corona2Ref}
{/* Outer ambient */}
<sphereGeometry args={[size * 10, 8, 8]} />
ref={ambientRef}
{emitPulse && <PulseRingEmit color={color} period={pulsePeriod} maxR={5} />}
<Html center distanceFactor={12} zIndexRange={[2, 0]} style={{ pointerEvents: "none" }}>
<div
ref={labelRef}
style={{
background: "rgba(5,5,18,0.92)",
border: `1px solid ${color}40`,
borderRadius: "4px",
padding: "3px 8px",
fontSize: "12px",
lineHeight: "1.55",
color,
fontFamily: '"Space Mono", "Courier New", monospace',
whiteSpace: "nowrap",
transform: "translateY(-30px)",
opacity: 0,
userSelect: "none",
pointerEvents: "none",
boxShadow: `0 0 12px ${color}30, inset 0 0 8px ${color}08`,
letterSpacing: "0.02em",
}}
>
{label}
{sublabel && (
color: "#4a6080",
fontSize: "10px",
marginTop: "1.5px",
letterSpacing: "0.01em",
{sublabel}
</div>
)}
</Html>
</group>
