Data update

Task/Hello-world-Graphical/Crystal/hello-world-graphical.crystal

@@ -0,0 +1,29 @@
+require "crsfml"
+
+window = SF::RenderWindow.new(SF::VideoMode.new(800, 600), "Hello world/Graphical")
+
+# A font file(s) MUST be in the directory of the Crystal file itself.
+# CrSFML does NOT load font files from the filesystem root!
+font = SF::Font.from_file("DejaVuSerif-Bold.ttf")
+
+text = SF::Text.new
+text.font = font
+
+text.string = "Goodbye, world!"
+text.character_size = 24
+
+text.color = SF::Color::Black
+
+while window.open?
+  while event = window.poll_event
+    if event.is_a? SF::Event::Closed
+      window.close
+    end
+  end
+
+  window.clear(SF::Color::White)
+
+  window.draw(text)
+
+  window.display
+end