===================================================================
--- original.js
+++ change.js
@@ -139,9 +139,9 @@
 	function launch(direction) {}
 });
 var Planet = Container.expand(function (x, y, radius, assetName) {
 	var self = Container.call(this);
-	var perimeter = 2 * Math.PI * radius;
+	var perimeter = MATH_2_PI * radius;
 	var numPlots = Math.floor(perimeter / (PLOT_SIZE + PLOT_GAP));
 	var numNodes = numPlots / 4;
 	var farms = [];
 	var ship = self.addChild(new Ship(radius, 0));
@@ -152,21 +152,21 @@
 	self.update = update;
 	self.launch = launch;
 	self.x = x;
 	self.y = y;
-	self.rotation = Math.random() * 2 * Math.PI;
+	self.rotation = Math.random() * MATH_2_PI;
 	self.spin = 0;
 	;
 	function update(ticks) {
 		self.rotation += self.spin;
 	}
 	function launch(direction) {}
 	function createFarms() {
 		for (var i = 1; i < numPlots; i++) {
-			var angle = i / numPlots * 2 * Math.PI;
+			var angle = i / numPlots * MATH_2_PI;
 			var farmX = radius * Math.cos(angle);
 			var farmY = radius * Math.sin(angle);
-			var rotation = angle + Math.PI / 2;
+			var rotation = angle + MATH_HALF_PI;
 			farms.push(self.addChild(new Farm(farmX, farmY, rotation)));
 		}
 	}
 	;
@@ -210,14 +210,15 @@
 		y: 0
 	}];
 	for (var i = 0; i < arrowOffsets.length; i++) {
 		var arrow = self.createAsset('arrow', 'Arrow asset', 0.5, 0.5);
-		arrow.rotation = Math.PI / 2 * i;
+		arrow.rotation = MATH_HALF_PI * i;
 		arrows.push(arrow);
 		self.addChild(arrow);
 	}
 	;
 	self.setDistance = setDistance;
+	self.rotation = MATH_QUARTER_PI;
 	self.x = x;
 	self.y = y;
 	;
 	function setDistance(distance) {
@@ -226,9 +227,8 @@
 			arrows[i].y = arrowOffsets[i].y * distance;
 		}
 	}
 	;
-	;
 	setDistance(distance);
 });
 var NavigationButton = Container.expand(function (x, y, index, callback) {
 	var self = Container.call(this);
@@ -300,9 +300,11 @@
 /**** 
 * Game Code
 ****/
 var MATH_2_PI = Math.PI * 2;
-var MATH_R3BY2 = Math.sqrt(3) / 2;
+var MATH_HALF_PI = Math.PI / 2;
+var MATH_QUARTER_PI = Math.PI / 4;
+var MATH_HALF_ROOT_3 = Math.sqrt(3) / 2;
 ;
 var GAME_TICKS = 60;
 var GAME_WIDTH = 2048;
 var GAME_HEIGHT = 2732;
@@ -321,9 +323,9 @@
 var ROCKET_SPEED_MAX = 30;
 var ROCKET_SPEED_REVERSE = 5;
 var PLOT_SIZE = 100;
 var PLOT_GAP = 40;
-var TEXT_OFFSETS = [[0, 1], [MATH_R3BY2, 0.5], [MATH_R3BY2, -0.5], [0, -1], [-MATH_R3BY2, -0.5], [-MATH_R3BY2, 0.5], [0, 0]];
+var TEXT_OFFSETS = [[0, 1], [MATH_HALF_ROOT_3, 0.5], [MATH_HALF_ROOT_3, -0.5], [0, -1], [-MATH_HALF_ROOT_3, -0.5], [-MATH_HALF_ROOT_3, 0.5], [0, 0]];
 var TEXT_BORDER_WEIGHT = 4;
 var TEXT_DEFAULT_SIZE = 50;
 var TEXT_DEFAULT_FONT = 'Arial';
 var TEXT_DEFAULT_FILL = '#FFFFFF';