/**
 * Snapping Utilities
 *
 * Grid and angle snapping utilities for precision modeling
 */
import { Vector3 } from './transform';
export interface GridSnapOptions {
    /**
     * Grid size for snapping
     */
    gridSize?: number;
    /**
     * Whether to enable snapping
     */
    enabled?: boolean;
    /**
     * Which axes to snap (default: all)
     */
    axes?: {
        x?: boolean;
        y?: boolean;
        z?: boolean;
    };
}
export interface AngleSnapOptions {
    /**
     * Angle increment in degrees (e.g., 15 for 15-degree increments)
     */
    angleIncrement?: number;
    /**
     * Whether to enable snapping
     */
    enabled?: boolean;
}
/**
 * Snap a value to the nearest grid point
 */
export declare function snapToGrid(value: number, gridSize?: number): number;
/**
 * Snap a 3D position to grid
 */
export declare function snapPositionToGrid(position: Vector3, options?: GridSnapOptions): Vector3;
/**
 * Snap an angle to the nearest increment
 */
export declare function snapAngle(angle: number, options?: AngleSnapOptions): number;
/**
 * Snap a rotation vector to angle increments
 */
export declare function snapRotationToAngles(rotation: Vector3, options?: AngleSnapOptions): Vector3;
/**
 * Calculate grid size based on zoom level or scale
 */
export declare function calculateGridSize(baseGridSize?: number, zoomLevel?: number): number;
/**
 * Get nearest grid point to a position
 */
export declare function getNearestGridPoint(position: Vector3, gridSize?: number): Vector3;
/**
 * Get distance to nearest grid point
 */
export declare function getDistanceToGrid(position: Vector3, gridSize?: number): number;
/**
 * Check if a position is close to a grid point
 */
export declare function isNearGridPoint(position: Vector3, gridSize?: number, tolerance?: number): boolean;
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