Improvements to GameObject and friends

lib/cyberarm_engine/game_state.rb

@@ -10,6 +10,8 @@ module CyberarmEngine
       @game_objects = []
       @global_pause = false
 
+      @down_keys = {}
+
       setup
     end
 
@@ -24,18 +26,58 @@ module CyberarmEngine
       @game_objects.each(&:update)
     end
 
+    def draw_bounding_box(box)
+      x,y, max_x, max_y = box.x, box.y, box.max_x, box.max_y
+
+      color = Gosu::Color.rgba(255, 127, 64, 240)
+
+      # pipe = 4
+      # Gosu.draw_rect(x-width, y-height, x+(width*2), y+(height*2), color, Float::INFINITY)
+      # puts "BB render: #{x}:#{y} w:#{x.abs+width} h:#{y.abs+height}"
+      # Gosu.draw_rect(x, y, x.abs+width, y.abs+height, color, Float::INFINITY)
+
+      # TOP LEFT to BOTTOM LEFT
+      $window.draw_line(
+        x, y, color,
+        x, max_y, color,
+        Float::INFINITY
+      )
+      # BOTTOM LEFT to BOTTOM RIGHT
+      $window.draw_line(
+        x, max_y, color,
+        max_x, max_y, color,
+        Float::INFINITY
+      )
+      # BOTTOM RIGHT to TOP RIGHT
+      $window.draw_line(
+        max_x, max_y, color,
+        max_x, y, color,
+        Float::INFINITY
+      )
+      # TOP RIGHT to TOP LEFT
+      $window.draw_line(
+        max_x, y, color,
+        x, y, color,
+        Float::INFINITY
+      )
+    end
+
     def destroy
-      @options = nil
-      @game_objects = nil
+      @options.clear
+      @game_objects.clear
     end
 
     def button_down(id)
+      @down_keys[id] = true
+
       @game_objects.each do |o|
         o.button_down(id)
       end
     end
 
     def button_up(id)
+      @down_keys.delete(id)
+
       @game_objects.each do |o|
         o.button_up(id)
       end