line.ts

import { fattribs, ff } from "./format";
import type { Vec2Like } from "./api";

export const line = (
    a: Vec2Like,
    b: Vec2Like,
    attribs?: any,
    ...body: any[]
): any[] => [
    "line",
    fattribs({
        ...attribs,
        x1: ff(a[0]),
        y1: ff(a[1]),
        x2: ff(b[0]),
        y2: ff(b[1]),
    }),
    ...body,
];

export const hline = (y: number, attribs?: any) =>
    line([-1e6, y], [1e6, y], attribs);

export const vline = (x: number, attribs?: any) =>
    line([x, -1e6], [x, 1e6], attribs);