obelisk-browserify/src/display/PixelObject.js

Browserify-compatible fork of obelisk.js, hopefully temporary

/*global obelisk:true*/

/*
 * PixelObject
 */

(function (obelisk) {
    "use strict";

    var PixelObject, p;
    PixelObject = function (primitive, point3D) {
        this.initialize(primitive, point3D);
    };
    p = PixelObject.prototype;

    // public properties
    p.x = null;
    p.y = null;
    p.canvas = null;

    // constructor
    p.initialize = function (primitive, point3D) {
        if (!primitive) {
            throw new Error("Primitive is not defined");
        }

        var p3D = point3D || new obelisk.Point3D();

        this.canvas = primitive.canvas;
        this.x = primitive.matrix.tx + p3D.x - p3D.y;
        this.y = primitive.matrix.ty + Math.floor(p3D.x / 2 + p3D.y / 2) - p3D.z;

        return this;
    };

    // public methods

    // todo: add canvas remove method

    p.toString = function () {
        return "[PixelObject]";
    };

    // private methods

    obelisk.PixelObject = PixelObject;
}(obelisk));