three-mesh-bvh
Version:
A BVH implementation to speed up raycasting against three.js meshes.
32 lines (17 loc) • 428 B
JavaScript
export class PrimitivePool {
constructor( getNewPrimitive ) {
this._getNewPrimitive = getNewPrimitive;
this._primitives = [];
}
getPrimitive() {
const primitives = this._primitives;
if ( primitives.length === 0 ) {
return this._getNewPrimitive();
} else {
return primitives.pop();
}
}
releasePrimitive( primitive ) {
this._primitives.push( primitive );
}
}