lib/rtanque/gui/shell.rb in rtanque-0.1.1 vs lib/rtanque/gui/shell.rb in rtanque-0.1.2

@@ -3,18 +3,29 @@
 module RTanque
   module Gui
     class Shell
       attr_reader :shell
 
+      DEBUG = ENV["DEBUG_SHELLS"]
+
       def initialize(window, shell)
         @window = window
         @shell = shell
+        @x0 = shell.position.x
+        @y0 = @window.height - shell.position.y
         @shell_image = Gosu::Image.new(@window, Gui.resource_path("images/bullet.png"))
       end
 
       def draw
         position = [self.shell.position.x, @window.height - self.shell.position.y]
         @shell_image.draw_rot(position[0], position[1], ZOrder::SHELL, 0, 0.5, 0.5)
+
+        if DEBUG then
+          white  = Gosu::Color::WHITE
+          pos = shell.position
+          x1, y1 = pos.x, @window.height - pos.y
+          @window.draw_line @x0, @y0, white, x1, y1, white, ZOrder::SHELL
+        end
       end
     end
   end
-end
\ No newline at end of file
+end