Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | 1x 1x 1x 1x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 11x 11x 20x 5x 5x 5x 5x 5x 5x 5x 5x 5x 20x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 20x | import { Line } from './Line.js';
import { Point } from './Point.js';
import { Shape } from './Shape.js';
export class Rectangle extends Shape {
public from: Point;
public width: number;
public height: number;
constructor(from: Point, width: number, height: number) {
super();
this.from = from;
this.width = width;
this.height = height;
}
public get to(): Point {
return new Point(this.from.x + this.width, this.from.y + this.height);
}
public getLines(): Line[] {
const to = this.to;
const lines: Array<Line> = [
new Line(this.from, new Point(to.x, this.from.y)),
new Line(this.from, new Point(this.from.x, to.y)),
new Line(new Point(to.x, this.from.y), to),
new Line(new Point(this.from.x, to.y), to),
];
return lines.filter((l) => l.valid);
}
public transform(matrix: Array<number>): this {
const p1 = Shape.applyTransform([this.from.x, this.from.y], matrix);
const p2 = Shape.applyTransform([this.from.x + this.width, this.from.y + this.height], matrix);
const x = Math.min(p1[0], p2[0]);
const y = Math.min(p1[1], p2[1]);
const width = Math.abs(p1[0] - p2[0]);
const height = Math.abs(p1[1] - p2[1]);
this.from = new Point(x, y);
this.width = width;
this.height = height;
return this;
}
}
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