add comments to DhBlockPos and Pos2D

core/src/main/java/com/seibel/lod/core/pos/DhBlockPos.java

@@ -114,7 +114,14 @@ public class DhBlockPos {
     {
         return new DhBlockPos(this.x + x, this.y + y, this.z + z);
     }
-
+	
+	/**
+	 * Can be used to quickly determine the rough distance between two points<Br>
+	 * or determine the taxi cab (manhattan) distance between two points. <Br><Br> 
+	 *
+	 * Manhattan distance is equivalent to determining the distance between two street intersections, 
+	 * where you can only drive along each street, instead of directly to the other point.
+	 */
     public int getManhattanDistance(DhBlockPos otherPos)
     {
         return Math.abs(this.getX() - otherPos.getX()) + Math.abs(this.getY() - otherPos.getY()) + Math.abs(this.getZ() - otherPos.getZ());

core/src/main/java/com/seibel/lod/core/pos/Pos2D.java

@@ -47,8 +47,29 @@ public class Pos2D
 	
 	public double dist(Pos2D other) { return Math.sqrt(Math.pow(this.x - other.x, 2) + Math.pow(this.y - other.y, 2)); }
 	public long distSquared(Pos2D other) { return MathUtil.pow2((long) this.x - other.x) + MathUtil.pow2((long) this.y - other.y); }
+	
+	/** 
+	 * Returns the maximum distance along either the X or Z axis <br><br> 
+	 * 
+	 * Example chebyshev distance between X and every point around it: <br>
+	 * <code>
+	 * 2 2 2 2 2 <br>
+	 * 2 1 1 1 2 <br>
+	 * 2 1 X 1 2 <br>
+	 * 2 1 1 1 2 <br>
+	 * 2 2 2 2 2 <br>
+	 * </code>
+	 * */
 	public int chebyshevDist(Pos2D other) { return Math.max(Math.abs(this.x - other.x), Math.abs(this.y - other.y)); }
-	public int manhattanDist(Pos2D o) { return Math.abs(this.x - o.x) + Math.abs(this.y - o.y); }
+	
+	/**
+	 * Can be used to quickly determine the rough distance between two points<Br>
+	 * or determine the taxi cab (manhattan) distance between two points. <Br><Br> 
+	 * 
+	 * Manhattan distance is equivalent to determining the distance between two street intersections, 
+	 * where you can only drive along each street, instead of directly to the other point.
+	 */
+	public int manhattanDist(Pos2D other) { return Math.abs(this.x - other.x) + Math.abs(this.y - other.y); }