@woosh/meep-engine/src/core/bvh2/bvh3/ebvh_build_hierarchy.d.ts

Pure JavaScript game engine. Fully featured and production ready.

/**
 * Given a set of leaves, build intermediate node hierarchy on top, all the way up to the root
 * Assumes nodes are spatially sorted, if not - no guarantees can be made about quality
 * NOTE: {@link unprocessed_nodes} will be modified during execution to save memory
 * @param {BVH} bvh
 * @param {number[]|Uint32Array} unprocessed_nodes contains nodes that need to be built into a hierarchy, these must not be present in the BVH hierarchy
 * @param {number} input_node_count
 * @param {number[]|Uint32Array} node_pool Contains node indices that can be used to build ancestry hierarchy, need to be pre-allocated before calling this method
 * @param {number} node_pool_offset
 * @param {number} [sah_optimization_level]
 * @param {number} [sah_optimization_bias] Adds an extra optimization run every X depth levels. Nodes closer to root are generally traversed more, so quality is significantly more important there. Plus, these levels have 1/2 of the nodes progressively, so it's much cheaper to optimize
 * @returns {number} new root
 */
export function ebvh_build_hierarchy(bvh: BVH, unprocessed_nodes: number[] | Uint32Array, input_node_count: number, node_pool: number[] | Uint32Array, node_pool_offset: number, sah_optimization_level?: number, sah_optimization_bias?: number): number;
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