lib/triangular/vector.rb in triangular-0.0.2 vs lib/triangular/vector.rb in triangular-0.1.1

@@ -1,4 +1,11 @@
+# frozen_string_literal: true
+
 module Triangular
-  class Vector < Point    
+  class Vector < Point
+    def angle_to(other_vector)
+      dot_product = @x * other_vector.x + @y * other_vector.y + @z * other_vector.z
+      radians = Math.acos(dot_product)
+      radians * (180.0 / Math::PI)
+    end
   end
 end