@rpgjs/physic/dist/movement/strategies/SeekAvoid.d.ts

A deterministic 2D top-down physics library for RPG, sandbox and MMO games

import { PhysicsEngine } from '../../api/PhysicsEngine';
import { Entity } from '../../physics/Entity';
import { MovementBody, MovementStrategy } from '../MovementStrategy';
/**
 * Seeks a moving target while avoiding nearby obstacles.
 *
 * The strategy combines a pull towards the target with repulsive forces from
 * close entities, creating smooth avoidance behaviour.
 *
 * @example
 * ```typescript
 * const seek = new SeekAvoid(engine, () => playerEntity, 3, 2, 6, 0.5);
 * movementManager.add(enemy, seek);
 * ```
 */
export declare class SeekAvoid implements MovementStrategy {
    private readonly engine;
    private readonly targetProvider;
    private maxSpeed;
    private repulseRadius;
    private repulseWeight;
    private repulseRadiusSq;
    private arriveRadiusSq;
    /**
     * @param engine - Physics engine used for spatial queries
     * @param targetProvider - Function returning the target entity (or null)
     * @param maxSpeed - Maximum speed in units per second
     * @param repulseRadius - Radius in which obstacles apply repulsion
     * @param repulseWeight - Strength of the repulsion force
     * @param arriveRadius - Distance considered as arrival
     */
    constructor(engine: PhysicsEngine, targetProvider: () => Entity | null | undefined, maxSpeed?: number, repulseRadius?: number, repulseWeight?: number, arriveRadius?: number);
    update(body: MovementBody, _dt: number): void;
    setParameters(maxSpeed?: number, repulseRadius?: number, repulseWeight?: number, arriveRadius?: number): void;
}
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