import type { Material } from "../materials/Material.ts";
import { Matrix4 } from "../math/Matrix4.ts";
import { Vector3 } from "../math/Vector3.ts";
import { DrawCall } from "./DrawCall.ts";
import { DrawList } from "./DrawList.ts";
import { TriangleBuffer } from "./TriangleBuffer.ts";
interface Vec3 {
    x: number;
    y: number;
    z: number;
}
interface AttributeLike {
    array: Float32Array;
    itemSize?: number;
}
interface GeometryLike {
    boundingSphere?: {
        centre: Vector3;
        radius: number;
    };
    computeBoundingSphere?: () => void;
    getAttribute: (name: string) => AttributeLike | undefined;
    index?: {
        array: ArrayLike<number>;
    } | ArrayLike<number>;
    _sequentialIndices?: Uint32Array;
    _uvCache?: Float32Array;
}
interface SceneNode {
    type?: string;
    visible: boolean;
    children: SceneNode[];
    geometry?: GeometryLike;
    material?: Material;
    matrixWorld: Matrix4;
    updateMatrixWorld?: (updateParents?: boolean, force?: boolean) => void;
    frustumCulled?: boolean;
    _projectedVerts?: Float32Array;
    _worldPositions?: Float32Array;
    _worldNormalCache?: Float32Array;
    _worldNormalCacheKey?: Float32Array;
    _triangleBuffer?: TriangleBuffer;
    _drawCall?: DrawCall;
    [k: string]: unknown;
}
interface CameraLike {
    matrixWorldInverse: Matrix4;
    projectionMatrix: Matrix4;
    position: Vec3;
    updateMatrixWorld: () => void;
}
interface SceneLike {
    children: SceneNode[];
    visible: boolean;
    fog?: {
        near: number;
        far: number;
        color: {
            r: number;
            g: number;
            b: number;
        };
        lut: Float32Array;
    } | undefined;
    autoUpdate?: boolean;
}
/** Walks the scene graph collecting visible draw calls. */
export declare class SceneTraversal {
    #private;
    traverse(scene: SceneLike, camera: CameraLike, width?: number, height?: number, timings?: {
        profileTraversal?: boolean;
        travUpdateWorldMs?: number;
        travWalkMs?: number;
        travProjectMs?: number;
        travAssembleMs?: number;
        travDrawCalls?: number;
    }): DrawList;
}
export {};
//# sourceMappingURL=SceneTraversal.d.ts.map