Files
La-Fabrik/src/world/Map.tsx
T

65 lines
1.7 KiB
TypeScript

import { useEffect, useRef } from "react";
import { useThree } from "@react-three/fiber";
import { useGLTF } from "@react-three/drei";
import * as THREE from "three";
import { Octree } from "three/addons/math/Octree.js";
import { Debug } from "@/utils/debug/Debug";
const MAP_PATH = "/models/map/model.gltf";
interface MapProps {
onOctreeReady: (octree: Octree) => void;
}
export function Map({ onOctreeReady }: MapProps): React.JSX.Element {
const { scene: gltfScene } = useGLTF(MAP_PATH);
const groupRef = useRef<THREE.Group>(null);
const octreeBuilt = useRef(false);
const boxHelpersRef = useRef<THREE.BoxHelper[]>([]);
const { scene } = useThree();
useEffect(() => {
if (octreeBuilt.current || !groupRef.current) return;
octreeBuilt.current = true;
groupRef.current.updateMatrixWorld(true);
const octree = new Octree();
octree.fromGraphNode(groupRef.current);
onOctreeReady(octree);
}, [onOctreeReady]);
// BoxHelper wireframes in debug mode — one per mesh in the model
useEffect(() => {
const debug = Debug.getInstance();
if (!debug.active || !groupRef.current) return;
const helpers: THREE.BoxHelper[] = [];
groupRef.current.traverse((child) => {
if (!(child instanceof THREE.Mesh)) return;
const helper = new THREE.BoxHelper(child, 0x00ff88);
scene.add(helper);
helpers.push(helper);
});
boxHelpersRef.current = helpers;
return () => {
helpers.forEach((h) => {
scene.remove(h);
h.dispose();
});
boxHelpersRef.current = [];
};
}, [scene]);
return (
<group ref={groupRef}>
<primitive object={gltfScene} />
</group>
);
}
useGLTF.preload(MAP_PATH);