79 lines
1.8 KiB
TypeScript
79 lines
1.8 KiB
TypeScript
import { Vector2D } from "./vector2d";
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export class Rectangle {
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private readonly corner_1: Vector2D;
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private readonly corner_2: Vector2D;
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constructor();
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constructor(corner_1: Vector2D, corner_2: Vector2D);
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constructor(corner_1 = new Vector2D(), corner_2 = new Vector2D()) {
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this.corner_1 = corner_1;
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this.corner_2 = corner_2;
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}
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public get origin(): Vector2D {
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return new Vector2D(
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Math.min(this.corner_1.x, this.corner_2.x),
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Math.min(this.corner_1.y, this.corner_2.y),
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);
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}
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public get left(): number {
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return this.origin.x;
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}
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public get top(): number {
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return this.origin.y;
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}
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public get corner(): Vector2D {
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return new Vector2D(
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Math.max(this.corner_1.x, this.corner_2.x),
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Math.max(this.corner_1.y, this.corner_2.y),
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);
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}
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public get size(): Vector2D {
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return this.corner.minus(this.origin);
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}
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public get width(): number {
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return this.size.x;
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}
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public get height(): number {
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return this.size.y;
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}
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public get middle(): Vector2D {
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return this.origin.plus(this.size.scale(0.5));
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}
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public get area(): number {
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return this.width * this.height;
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}
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public equals(other: Rectangle): boolean {
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return this.origin.equals(other.origin) && this.corner.equals(other.corner);
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}
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public contains(point: Vector2D): boolean {
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return (
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point.x >= this.origin.x &&
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point.y >= this.origin.y &&
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point.x <= this.corner.x &&
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point.y <= this.corner.y
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);
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}
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public update(corner_1?: Vector2D, corner_2?: Vector2D): Rectangle {
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return new Rectangle(corner_1 || this.corner_1, corner_2 || this.corner_2);
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}
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public move(vector: Vector2D): Rectangle {
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return new Rectangle(
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this.corner_1.plus(vector),
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this.corner_2.plus(vector),
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);
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}
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}
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