import { Point } from "./Point.js"

class Segment
{
    /**
     * @param {Point} start
     * @param {Point} stop
     */
    constructor(start, stop)
    {
        this.start = start === undefined ? new Point() : start;
        this.stop = stop === undefined ? new Point() : stop;
    }

    /**
     * @param {CanvasRenderingContext2D} ctx 
     */
    draw(ctx)
    {
		if(this.gl instanceof CanvasRenderingContext2D)
		{
			ctx.moveTo(this.start.x, this.start.y);
			ctx.lineTo(this.stop.x, this.stop.y);
		}
		else if(this.gl instanceof WebGLRenderingContext)
		{
		}
		else
			alert('Unknown rendering context type');
    }

    from_json(data)
    {
        this.start = this.start.from_json(data.start);
        this.stop = this.stop.from_json(data.stop);
        
        return this;
    }
}

export { Segment }