import type { ShapeGeneratorOptions, ShapeParticle, IShape } from './type';
export declare class Cone implements IShape {
    radius: number;
    angle: number;
    arc: number;
    arcMode: number;
    constructor(props: any);
    generate(opt: ShapeGeneratorOptions): ShapeParticle;
}
export declare function getArcAngle(arc: number, arcMode: number, opt: ShapeGeneratorOptions): number;