obelisk.js/src/dimensions/BrickDimension.js

JavaScript Library for Building Pixel Isometric Element with HTML5 Canvas

/*jslint node: true*/

'use strict';

var AbstractDimension = require('./AbstractDimension');

var BrickDimension, p;
BrickDimension = function (xAxis, yAxis) {
    this.initialize(xAxis, yAxis);
};
p = BrickDimension.prototype = new AbstractDimension();

// constructor
p.initialize = function (xAxis, yAxis) {
    this.xAxis = xAxis || 30;
    this.yAxis = yAxis || 30;

    if (this.xAxis % 2 === 1 || this.yAxis % 2 === 1) {
        throw new Error('x,yAxis must be even number');
    }

    // xAxis || yAxis = 4 floodFill could not be applied
    if (this.xAxis <= 4 || this.yAxis <= 4) {
        throw new Error('dimension is too small');
    }

    return this;
};

p.toString = function () {
    return '[BrickDimension]';
};

module.exports = BrickDimension;