vector.rb in chunky_png-1.1.0

- old
+ new

@@ -38,11 +38,11 @@
     # @return [Array<ChunkyPNG::Point>] The array that holds all the points in this vector.
     attr_reader :points
     
     # Initializes a vector based on a list of Point instances.
     #
-    # You usually do not want to use this method directy, but call {ChunkyPNG.Vector} instead.
+    # You usually do not want to use this method directly, but call {ChunkyPNG.Vector} instead.
     #
     # @param [Array<ChunkyPNG::Point>] points
     # @see ChunkyPNG.Vector
     def initialize(points = [])
       @points = points
@@ -60,9 +60,16 @@
     # @see #edges
     def each_edge(close = true)
       raise ChunkyPNG::ExpectationFailed, "Not enough points in this path to draw an edge!" if length < 2
       points.each_cons(2) { |a, b| yield(a, b) }
       yield(points.last, points.first) if close
+    end
+    
+    # Returns the point with the given indexof this vector.
+    # @param [Integer] index The 0-based index of the point in this vector.
+    # @param [ChunkyPNG::Point] The point instance.
+    def [](index)
+      points[index]
     end
     
     # Returns an enumerator that will iterate over all the edges in this vector.
     # @param (see #each_edge)
     # @return [Enumerator] The enumerator that iterates over the edges.