Shared memory and context tools for agentic work.
Code Rooms
import { useRef, useLayoutEffect } from "react";
import { useFrame } from "@react-three/fiber";
import * as THREE from "three";
interface EdgeBeamProps {
start: [number, number, number];
end: [number, number, number];
color?: string;
thickness?: number;
opacity?: number;
animated?: boolean;
}
export function EdgeBeam({
start,
end,
color = "#00f5ff",
thickness = 0.05,
opacity = 0.6,
animated = true,
}: EdgeBeamProps) {
const meshRef = useRef<THREE.Mesh>(null);
const startVec = new THREE.Vector3(...start);
const endVec = new THREE.Vector3(...end);
const distance = startVec.distanceTo(endVec);
const midpoint = startVec.clone().lerp(endVec, 0.5).toArray() as [number, number, number];
useLayoutEffect(() => {
if (!meshRef.current) return;
const dir = endVec.clone().sub(startVec).normalize();
const up = new THREE.Vector3(0, 1, 0);
const quaternion = new THREE.Quaternion().setFromUnitVectors(up, dir);
meshRef.current.setRotationFromQuaternion(quaternion);
});
useFrame(({ clock }) => {
if (!meshRef.current || !animated) return;
const mat = meshRef.current.material as THREE.MeshBasicMaterial;
const t = Math.sin(clock.getElapsedTime() * 1.5) * 0.5 + 0.5;
mat.opacity = opacity * (0.5 + t * 0.5);
return (
<mesh ref={meshRef} position={midpoint}>
<cylinderGeometry args={[thickness, thickness, distance, 6]} />
<meshBasicMaterial color={color} transparent opacity={opacity} />
</mesh>
);
