added convenience prroperties (colors and rainbow array).

Changed order in which blocks are placed for boxa/cuboida so that blocks
are laid down width, height, then length.

docs/api.md

@@ -201,6 +201,7 @@ Parameters
  * z (optional) : The z coordinate of the Drone
  * direction (optional) : The direction in which the Drone is
    facing. Possible values are 0 (east), 1 (south), 2 (west) or 3 (north)
+ * world (optional) : The world in which the drone is created.
 
 Drone.box() method
 ==================
@@ -252,7 +253,8 @@ To create a stone building with the insided hollowed out 7 wide by 3 tall by 6 l
    
 Drone.boxa() method
 ===================
-Construct a cuboid using an array of blocks.
+Construct a cuboid using an array of blocks. As the drone moves first along the width axis,
+then the height (y axis) then the length, each block is picked from the array and placed.
 
 Parameters
 ----------
@@ -265,9 +267,10 @@ Example
 -------
 Construct a rainbow-colored road 100 blocks long...
 
-    var rainbowColors = [blocks.wool.red, blocks.wool.orange, blocks.wool.yellow, blocks.wool.lime,
+    var rainbowColors = [blocks.red, blocks.orange, blocks.yellow, blocks.lime,
-                   blocks.wool.lightblue, blocks.wool.blue, blocks.wool.purple];
+                         blocks.lightblue, blocks.blue, blocks.purple];
-    boxa(rainbowColors,5,1,98);
+    
+    boxa(rainbowColors,7,1,30);
 
 ![boxa example](img/boxaex1.png)
 
@@ -815,6 +818,9 @@ Examples
     box( blocks.sand, 3, 2, 1 ); // creates a block of sand 3 wide x 2 high x 1 long
     box( blocks.wool.green, 2 ); // creates a block of green wool 2 blocks wide
 
+In addition, each of the wool colors is also available as a block property so you can use either
+`blocks.wool.green` or the more concise `blocks.green`. There's also a convenience array `blocks.rainbow` which is an array of the 7 colors of the rainbow (or closest approximations). 
+
 Drone.blocktype() method
 ========================
 Creates the text out of blocks. Useful for large-scale in-game signs.
@@ -836,7 +842,7 @@ To create a 2-line high message using glowstone...
 
 [imgbt1]: img/blocktype1.png
 
-Drone.rainbox() method
+Drone.rainbow() method
 ======================
 Creates a Rainbow.
 

src/main/javascript/drone/blocks.js

@@ -11,6 +11,9 @@ Examples
     box( blocks.sand, 3, 2, 1 ); // creates a block of sand 3 wide x 2 high x 1 long
     box( blocks.wool.green, 2 ); // creates a block of green wool 2 blocks wide
 
+In addition, each of the wool colors is also available as a block property so you can use either
+`blocks.wool.green` or the more concise `blocks.green`. There's also a convenience array `blocks.rainbow` which is an array of the 7 colors of the rainbow (or closest approximations). 
+
 ***/
 var blocks = {
     air: 0,
@@ -56,8 +59,6 @@ var blocks = {
     dead_bush: 32,
     piston: 33,
     piston_extn: 34,
-    white: 35, // white is white wool
-    black: '35:15',
     wool: {
         white: 35,
         orange: '35:1',
@@ -232,3 +233,17 @@ var blocks = {
     rail_activator: 157,
     dropper: 158
 };
+// make colors top level for convenience
+for (var c  in blocks.wool){
+    blocks[c] = blocks.wool[c];
+}
+/*
+  rainbow colors - a convenience
+*/
+blocks.rainbow = [blocks.red, 
+                  blocks.orange, 
+                  blocks.yellow, 
+                  blocks.lime, 
+                  blocks.lightblue, 
+                  blocks.blue, 
+                  blocks.purple];

src/main/javascript/drone/drone.js

@@ -99,6 +99,7 @@ Parameters
  * z (optional) : The z coordinate of the Drone
  * direction (optional) : The direction in which the Drone is
    facing. Possible values are 0 (east), 1 (south), 2 (west) or 3 (north)
+ * world (optional) : The world in which the drone is created.
 
 ***/
 var Drone = function(/* number */ x, /* number */ y, /* number */ z, /* number */ direction){};
@@ -153,7 +154,8 @@ To create a stone building with the insided hollowed out 7 wide by 3 tall by 6 l
    
 Drone.boxa() method
 ===================
-Construct a cuboid using an array of blocks.
+Construct a cuboid using an array of blocks. As the drone moves first along the width axis,
+then the height (y axis) then the length, each block is picked from the array and placed.
 
 Parameters
 ----------
@@ -166,9 +168,10 @@ Example
 -------
 Construct a rainbow-colored road 100 blocks long...
 
-    var rainbowColors = [blocks.wool.red, blocks.wool.orange, blocks.wool.yellow, blocks.wool.lime,
+    var rainbowColors = [blocks.red, blocks.orange, blocks.yellow, blocks.lime,
-                   blocks.wool.lightblue, blocks.wool.blue, blocks.wool.purple];
+                         blocks.lightblue, blocks.blue, blocks.purple];
-    boxa(rainbowColors,5,1,98);
+    
+    boxa(rainbowColors,7,1,30);
 
 ![boxa example](img/boxaex1.png)
 
@@ -663,7 +666,7 @@ Used when placing torches so that they face towards the drone.
 // There is no need to read any further unless you want to understand how the Drone object works.
 //
 (function(){
-    Drone = function(x,y,z,dir)
+    Drone = function(x,y,z,dir,world)
     {
         var usePlayerCoords = false;
         var playerPos = getPlayerPos();
@@ -700,6 +703,9 @@ Used when placing torches so that they face towards the drone.
         }else{
             this.dir = dir%4;
         }
+        if (typeof world !== "undefined")
+            this.world = world;
+
         // for debugging
         //self.sendMessage("New Drone " + this.toString());
         if (usePlayerCoords){
@@ -808,20 +814,19 @@ Used when placing torches so that they face towards the drone.
         var pl = org.bukkit.entity.Player;
         var cs = org.bukkit.command.BlockCommandSender;
         var bi = 0;
-        var depthFunc = function(){
+        /*
+          
+         */
+        _traverse[dir].depth(that,d,function(){
+            _traverseHeight(that,h,function(){
+                _traverse[dir].width(that,w,function(){
                     var block = that.world.getBlockAt(that.x,that.y,that.z);
                     var properBlock = properBlocks[bi%len];
                     block.setTypeIdAndData(properBlock[0],properBlock[1],false);
                     bi++;
-        };
+                });
-        var heightFunc = function(){
+            });
-            _traverse[dir].depth(that,d,depthFunc);
+        });
-        };
-        var widthFunc = function(){
-            _traverseHeight(that,h,heightFunc);
-        };
-
-        _traverse[dir].width(that,w,widthFunc);
         return this;
         
     };

src/main/javascript/drone/rainbow.js

@@ -1,5 +1,5 @@
 /************************************************************************
-Drone.rainbox() method
+Drone.rainbow() method
 ======================
 Creates a Rainbow.
 
@@ -23,14 +23,8 @@ Drone.extend('rainbow', function(radius){
     
     this.chkpt('rainbow');
     this.down(radius);
-    var colors = [blocks.wool.red,
+    // copy blocks.rainbow and add air at end (to compensate for strokewidth)
-                  blocks.wool.orange,
+    var colors = blocks.rainbow.slice(0).push(blocks.air);
-                  blocks.wool.yellow,
-                  blocks.wool.lime,
-                  blocks.wool.lightblue,
-                  blocks.wool.blue,
-                  blocks.wool.purple,
-                  blocks.air];
 
     for (var i = 0;i < colors.length; i++) {
         var bm = this._getBlockIdAndMeta(colors[i]);