class Path
	  	{
	  		constructor(context)
	  		{
		  		if(!(context instanceof CanvasRenderingContext2D)) throw new Error("Invalid Rendering Context");

		  		this.context= context;
		  		let nodes 	= [];
		  		let closed	= false;

		  		this.getNodes = function ()
		  		{
		  			return nodes;
		  		}

		  		this.getPathClose = function ()
		  		{
		  			return closed;
		  		}

		  		this.define = function (n, c)
			  	{
			  		if(!(n instanceof Array)) throw new Error("Nodes are provided in arrays.");

			  		nodes 	= n;
			  		closed	= c && true;

			  		return this;
			  	}

			  	this.addNode = function(n)
			  	{
			  		if(!(n instanceof Array)) throw new Error("Invalid Node");
			  		if(!(typeof n[0] == "number" && typeof n[1] == "number" ) ) throw new Error("Invalid Node Coordination");

			  		this.getNodes().push(n);
			  		return this;
			  	}

		  		return this;
	  		}

	  		stroke()
	  		{
	  			var a = this.getNodes(),
	  				i = 0;

		  		this.context.beginPath();
		  		this.context.moveTo( a[0][0], a[0][1] );

		  		while ( ++i < a.length ) this.context.lineTo( a[i][0], a[i][1] );

		  		if( this.getPathClose() ) this.context.closePath();
		  		this.context.stroke();
			}
	  	}