Automatic disposal

Freeing resources is a manual chore in Threejs, but React is aware of object-lifecycles, hence three-fiber will attempt to free resources for you by calling object.dispose(), if present, on all unmounted objects.

If you manage assets by yourself, globally or in a cache, this may not be what you want. You can switch it off by placing dispose={null} onto meshes, materials, etc, or even on parent containers like groups, it is now valid for the entire tree.

const globalGeometry = new THREE.BoxBufferGeometry()
const globalMaterial = new THREE.MeshBasicMatrial()
function Mesh() {
return (
<group dispose={null}>
<mesh geometry={globalGeometry} material={globalMaterial} />
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