From 7bf37309d9c948df6947caa7d2b56d448a48e7cb Mon Sep 17 00:00:00 2001
From: Tom Black <blacktm@gmail.com>
Date: Wed, 26 Apr 2017 16:28:26 -0400
Subject: Opacity improvements

Adds opacity attribute reader for `Ruby2D::Color` and
`Ruby2D::Color::Set`. Adds `opacity/=` method to renderable objects, a
shortcut for `obj.color.opacity/=`.
---
 lib/ruby2d/color.rb      | 8 ++++++--
 lib/ruby2d/renderable.rb | 8 ++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/ruby2d/color.rb b/lib/ruby2d/color.rb
index e429e5c..1103c1b 100644
--- a/lib/ruby2d/color.rb
+++ b/lib/ruby2d/color.rb
@@ -15,7 +15,9 @@ module Ruby2D
       def length
         @colors.length
       end
-
+      
+      def opacity; @colors[0].opacity end
+      
       def opacity=(opacity)
         @colors.each do |color|
           color.opacity = opacity
@@ -95,7 +97,9 @@ module Ruby2D
         Color.new(input)
       end
     end
-
+    
+    def opacity; @a end
+    
     def opacity=(opacity)
       @a = opacity
     end
diff --git a/lib/ruby2d/renderable.rb b/lib/ruby2d/renderable.rb
index 3be6121..c8fac82 100644
--- a/lib/ruby2d/renderable.rb
+++ b/lib/ruby2d/renderable.rb
@@ -11,5 +11,13 @@ module Ruby2D
         Application.remove(self)
       end
     end
+    
+    def opacity
+      self.color.opacity
+    end
+    
+    def opacity=(val)
+      self.color.opacity = val
+    end
   end
 end
-- 
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