WorldEdit Boulder Brush V2.2

/*
 * Boulder Brush CraftScript for WorldEdit
 * Original brush script by inHaze <http://bit.ly/inHaze>
 * Modified by Fefinix (changed the bush shape)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
importPackage(Packages.com.sk89q.worldedit);
importPackage(Packages.com.sk89q.worldedit.blocks);
importPackage(Packages.com.sk89q.worldedit.tools);
importPackage(Packages.com.sk89q.worldedit.tools.brushes);
importPackage(Packages.com.sk89q.worldedit.patterns);
importPackage(Packages.com.sk89q.worldedit.foundation);

var material = argv.length > 1 ? context.getBlock(argv[1]) : 1;
var xSize = argv.length > 2 ? parseInt(argv[2]) : 9;
var ySize = argv.length > 3 ? parseInt(argv[3]) : 6;
var zSize = argv.length > 4 ? parseInt(argv[4]) : 11;
var yOff = argv.length > 5 ? parseInt(argv[5]) : 0;
var thickInput = argv.length > 6 ? parseInt(argv[6]) : -1;
var fModInput = argv.length > 7 ? parseInt(argv[7]) : -1;

var fMod = [0,0,0];
var thick = 0;

if (thickInput == -1) {thick = Math.floor(Math.sqrt(Math.min(xSize,ySize,zSize)))} else {thick = thickInput};

var strength = 1;
//var tool = undefined;
//var matPat = undefined;


var brush = new Brush({
    strength : strength,
    build : function(editSession,posB,size) {

        var session = context.remember();
        var pos = player.getBlockTrace(300, true);

        var xPer = (Math.random() * 2 * 3.14);
        var yPer = (Math.random() * 2 * 3.14);
        var zPer = (Math.random() * 2 * 3.14);
        if (fModInput == -1) {
            fMod[1] = ((Math.random() * Math.max(xSize,ySize,zSize)/2) + Math.max(xSize,ySize,zSize)*0.4 +1);
            fMod[2] = ((Math.random() * Math.max(xSize,ySize,zSize)/2) + Math.max(xSize,ySize,zSize)*0.4 +1);
            fMod[3] = ((Math.random() * Math.max(xSize,ySize,zSize)/2) + Math.max(xSize,ySize,zSize)*0.4 +1);
            }
        else {
            fMod[1] = fModInput;
            fMod[2] = fModInput;
            fMod[3] = fModInput;
            };
        var s = [1, 1, 1, 1, 1, 1, 1, 1, 1];
        var s2 = 0;
        for (var i = 0; i <= 2; i++){
            s2 = Math.floor(Math.random()*3);
            s[s2+i*3] = -1;
        }
        for (var x = -(xSize+thick); x <= (xSize+thick); x++) {
            for (var y = -(ySize+thick); y <= (ySize+thick); y++) {
                for (var z = -(zSize+thick); z <= (zSize+thick); z++) {
                    if ((Math.pow((x),2)/Math.pow((thick*Math.sin((x*s[0]+y*s[1]+z*s[2])/fMod[1]-xPer)+xSize),2)+Math.pow(z,2)/Math.pow((thick*Math.sin((x*s[3]+y*s[4]+z*s[5])/fMod[2]+zPer)+zSize),2)+Math.pow(y,2)/Math.pow((thick*Math.sin((x*s[6]+y*s[7]+z*s[8])/fMod[3]+yPer)+ySize),2)) < 1) {
                        var pt = pos.add((x), (y+yOff+thick), (z));
                        editSession.setBlock(pt, material);
                    }
                }
            }
        }

        return true;
    },

})


if (argv.length <= 1)  {
    CommandText();
}
else {
    tool = context.getSession().getBrushTool(player.getItemInHand());
    //matPat = new SingleBlockPattern(material);
    //tool.setFill(matPat);
    tool.setBrush(brush,"worldedit.brush.boulder");
    player.printError("Boulder brush bound to " + ItemType.toHeldName(player.getItemInHand()) + "." );
    player.print("[X: " +  xSize +" | Y: " + ySize + " | Z: " + zSize + " | Mat: " + material + "]");
}


function CommandText()  {

    player.print(" ");
    player.print("§5Boulder Brush Script by Fefinix, huge thanks to inHaze!");
    player.print(" ");
    player.print("§cUsage: /cs boulder [§6mat§c]<§ex§c><§ey§c><§ez§c><§eyOff§c><§ethick§c><§efMod§c>");
    player.print("§6mat§7  - §6Required§7. Boulder material.");
    player.print("§ex§7     - §eOptional§7. Radius in x direction. Default:9");
    player.print("§ey§7     - §eOptional§7. Radius in y direction. Default:6");
    player.print("§ez§7     - §eOptional§7. Radius in z direction. Default:11");
    player.print("§eyOff§7 - §eOptional§7. Vertical offset. Default:0");
    player.print("§ethick§7 - §eOptional§7. Surface bumpyness. 0 = Ellipsoid.");
    player.print("§efMod§7 - §eOptional§7. Shape mod. Higher value = smoother surface.");

    return true;
}