2d-physics-engine/dist/math/AABB.d.ts

A lightweight, flexible 2D physics engine with ECS architecture, built with TypeScript

import { Vector2 } from './Vector2';
/**
 * Axis-Aligned Bounding Box (AABB).
 * Always normalized: min.x <= max.x and min.y <= max.y.
 */
export declare class AABB {
    readonly min: Vector2;
    readonly max: Vector2;
    constructor(min: Vector2, max: Vector2);
    /** ---------------- FACTORY HELPERS ---------------- **/
    /** Create AABB from center and half-size. */
    static fromCenter(center: Vector2, halfSize: Vector2): AABB;
    /** Create AABB from minimum corner and width/height. */
    static fromMinSize(min: Vector2, width: number, height: number): AABB;
    /** ---------------- GEOMETRY GETTERS ---------------- **/
    get width(): number;
    get height(): number;
    get size(): Vector2;
    get center(): Vector2;
    get area(): number;
    get perimeter(): number;
    /** Length of the diagonal. */
    get diagonal(): number;
    /** Returns true if width or height is zero (degenerate box). */
    get isEmpty(): boolean;
    /** ---------------- OPERATIONS ---------------- **/
    /** Moves the AABB by a vector. */
    move(offset: Vector2): AABB;
    /** Expands or shrinks the bounds by a margin. */
    expand(margin: number): AABB;
    /** Returns a copy of this AABB. */
    clone(): AABB;
    /** ---------------- CONTAINMENT & INTERSECTION ---------------- **/
    /** Checks if a point is inside the bounds. */
    containsPoint(point: Vector2, inclusive?: boolean): boolean;
    /** True if two AABBs overlap or touch. */
    intersects(other: AABB, inclusive?: boolean): boolean;
    /** Returns true if `other` is entirely inside this AABB. */
    contains(other: AABB, inclusive?: boolean): boolean;
    /** Returns a new AABB which encloses both boxes. */
    union(other: AABB): AABB;
    /** Returns intersection AABB or null if none. */
    intersection(other: AABB): AABB | null;
}
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