/**
 * Returns a cubic bezier from the given line with evenly spaced control points.
 * 
 * @param ps a 2d line represented by two points
 * 
 * @doc mdx
 */
function lineToCubic(ps: number[][]) {
	const [[x0,y0],[x1,y1]] = ps;

	const xInterval = (x1 - x0)/3;
    const yInterval = (y1 - y0)/3;

	return [
		[x0,y0],
		[x0 + xInterval, y0 + yInterval],
		[x0 + xInterval*2, y0 + yInterval*2],
		[x1,y1]
	];
}


export { lineToCubic }