import { vec2 } from 'gl-matrix';
import { OBB } from './obb';
import { OBBNode } from './obb-tree';
import { Polygon } from './shape';
export interface MeshTriangle {
    p0: vec2;
    p1: vec2;
    p2: vec2;
}
export type Mesh = MeshTriangle[];
export declare const calculateOBB: (mesh: Readonly<Mesh>) => OBB;
export type MeshOBBNode = OBBNode<{
    triangle: MeshTriangle;
    triangleShape: Polygon;
}>;
export declare const centroid: (triangle: MeshTriangle) => vec2;
export declare const generateOBBTree: (mesh: Readonly<Mesh>) => MeshOBBNode;
export declare const getLeafs: (leafs: Polygon[], tree: Readonly<MeshOBBNode>) => Polygon[];
export declare const getMeshCentroid: (mesh: Readonly<Mesh>) => vec2;
export declare const getMeshItertia: (mesh: Readonly<Mesh>, mass: number) => number;