obelisk.js/src/dimensions/PyramidDimension.js

JavaScript Library for Building Pixel Isometric Element with HTML5 Canvas

/*jslint node: true*/

'use strict';

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

var PyramidDimension, p;
PyramidDimension = function (axis, tall) {
    this.initialize(axis, tall);
};
p = PyramidDimension.prototype = new AbstractDimension();

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

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

    if (this.xAxis <= 4) {
        throw new Error('dimension is too small');
    }

    return this;
};

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

module.exports = PyramidDimension;