export interface FleeInput {
    fishX: number;
    fishY: number;
    cursorX: number;
    cursorY: number;
    /** base scatter radius in px */
    radius: number;
    /** 0..1 personality boldness; bolder = smaller effective radius */
    boldness: number;
    /** current horizontal heading */
    direction: 1 | -1;
}
export interface FleeResult {
    /** 0..1 strength (proximity^2) */
    intensity: number;
    /** unit flee direction */
    dirX: number;
    dirY: number;
}
/**
 * Screen-space cursor flee, mirroring the 3D boid scatter shader:
 * boldness-scaled radius, proximity^2 falloff, away+tangential blend so fish
 * escape sideways when the cursor is dead ahead instead of only backing up.
 */
export declare function computeFlee(input: FleeInput): FleeResult;
//# sourceMappingURL=cursor-flee.d.ts.map