# JSDoc: Source: objects/Line.js

# Source: objects/Line.js

    "use strict";

    import {Object2D} from "../Object2D.js";
    import {Vector2} from "../math/Vector2.js";

    /**
     * Line object draw a line from one point to another.
     *
     * @class
     * @extends {Object2D}
     */
    function Line()
    {
    	Object2D.call(this);

    	/**
    	 * Initial point of the line.
    	 *
    	 * Can be equal to the position object of another object. (Making it automatically follow that object.)
    	 */
    	this.from = new Vector2();

    	/**
    	 * Final point of the line.
    	 *
    	 * Can be equal to the position object of another object. (Making it automatically follow that object.)
    	 */
    	this.to = new Vector2();

    	/**
    	 * Dash line pattern to be used, if empty draws a solid line.
    	 *
    	 * Dash parttern is defined as the size of dashes as pairs of space with no line and with line.
    	 *
    	 * E.g if the daspattern is [1, 2] we get 1 point with line, 2 without line repeat infinitelly.
    	 */
    	this.dashPattern = [5, 5];

    	/**
    	 * Style of the object line.
    	 */
    	this.strokeStyle = "#000000";

    	/**
    	 * Line width of the line.
    	 */
    	this.lineWidth = 1;
    }

    Line.prototype = Object.create(Object2D.prototype);

    Line.prototype.draw = function(context, viewport, canvas)
    {
    	context.lineWidth = this.lineWidth;
    	context.strokeStyle = this.strokeStyle;
    	context.setLineDash(this.dashPattern);

    	context.beginPath();
    	context.moveTo(this.from.x, this.from.y);
    	context.lineTo(this.to.x, this.to.y);
    	context.stroke();
    };

    export {Line};