lib/rays/point.rb in rays-0.1.12 vs lib/rays/point.rb in rays-0.1.13

@@ -8,56 +8,48 @@
 
 
   class Point
 
     include Comparable
+    include Enumerable
 
     def move_to (*args)
       dup.move_to! *args
     end
 
     def move_by (*args)
       dup.move_by! *args
     end
 
+    def zero? ()
+      length == 0
+    end
+
+    def each (&block)
+      to_a.each &block
+    end
+
     def to_a (dimension = 2)
       case dimension
       when 1 then [x]
       when 2 then [x, y]
       when 3 then [x, y, z]
       else raise ArgumentError
       end
     end
 
-    def + (*args)
-      op_add Point.from(*args)
+    def to_s (dimension = 2)
+      to_a(dimension).to_s
     end
 
-    def - (*args)
-      op_sub Point.from(*args)
-    end
-
-    def * (*args)
-      op_mult Point.from(*args)
-    end
-
-    def / (*args)
-      op_div Point.from(*args)
-    end
-
     def <=> (o)
       ret = x <=> o.x; return ret if ret != 0
       ret = y <=> o.y; return ret if ret != 0
             z <=> o.z
     end
 
-    def self.from (*args)
-      case arg0 = args[0]
-      when Point   then arg0
-      when Array   then Point.new *arg0
-      when Numeric then Point.new arg0, arg0, arg0
-      else raise ArgumentError
-      end
+    def inspect ()
+      "#<Rays::Point #{to_a(3).join ', '}>"
     end
 
   end# Point