lib/util.rb in gmath3D-0.2.3 vs lib/util.rb in gmath3D-0.2.4

@@ -1,50 +1,23 @@
-module GMath3D
-  class Util
-    def self.check_arg_type(type, instance)
-      unless(instance.kind_of?(type))
-        raise(ArgumentError::new("type mismatch: #{instance.class} for #{type}"))
-      end
+module Util3D
+  def self.check_arg_type(type, instance)
+    unless(instance.kind_of?(type))
+      raise(ArgumentError::new("type mismatch: #{instance.class} for #{type}"))
     end
+  end
 
-    def self.raise_argurment_error(instance)
-      raise(ArgumentError::new("type mismatch: #{instance.class}"))
-    end
+  def self.raise_argurment_error(instance)
+    raise(ArgumentError::new("type mismatch: #{instance.class}"))
   end
+end
 
+module GMath3D
   # Including 'vertices' methodshould be implimented that gets geometry vertices as Array of Vector3.
   module BoxAvailable
     # [Output]
     #  return axially aligned bounding box as Box.
     def box
       return Box.from_points( vertices )
     end
   end
 end
 
-class Array
-public
-  def sum
-    s, n = self.sum_with_number
-    return s
-  end
-  def avg
-    s, n = self.sum_with_number
-    return s / n
-  end
-
-  def sum_with_number
-    return nil, 0 if(self.size <= 0)
-    s = nil
-    n = 0
-    self.each do |v|
-      next if v.nil?
-      if(s==nil)
-        s = v
-      else
-        s += v
-      end
-      n += 1
-    end
-    return s, n
-  end
-end