/**
 * IUFOMovementController - Handles UFO movement and wandering logic
 */
import type { Dimensions } from "../../../../core/domain/types.js";
import type { UFO, UFOConfig, EventPosition } from "../domain/ufo-types.js";
import type { IUFOMoodManager } from "./IUFOMoodManager.js";
export interface MovementContext {
    ufo: UFO;
    config: UFOConfig;
    dimensions: Dimensions;
    speedMult: number;
    moodManager: IUFOMoodManager;
    eventProvider: (() => EventPosition | null) | null;
}
export type MovementResult = {
    action: "continue";
} | {
    action: "arrived_at_target";
} | {
    action: "start_pause";
} | {
    action: "start_chasing";
    event: EventPosition;
} | {
    action: "start_tracking";
    event: EventPosition;
} | {
    action: "near_miss_handled";
};
export interface IUFOMovementController {
    /**
     * Update UFO wandering movement for one frame
     * Returns an action indicating what the caller should do next
     */
    updateWandering(ctx: MovementContext): MovementResult;
    /**
     * React to a near-miss event (something passed too close)
     */
    reactToNearMiss(ctx: MovementContext, event: EventPosition): void;
    /**
     * Reset wandering state with new random turn rate
     */
    resetWanderingState(ufo: UFO, config: UFOConfig): void;
    /**
     * Calculate shortest angle difference between two angles
     */
    angleDiff(from: number, to: number): number;
    /**
     * Update UFO depth (z-axis) for 3D space effect
     * Smoothly lerps toward targetZ
     */
    updateDepth(ufo: UFO, speedMult: number): void;
}
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