Added HUD widgets, make Boot and Close use button_up instead of button_down

lib/hud/widgets/ammo.rb

@@ -0,0 +1,29 @@
+class IMICFPS
+  class HUD
+    class AmmoWidget < HUD::Widget
+      def setup
+        @text = Text.new("")
+        @background = Gosu::Color.new(0x88222222)
+      end
+
+      def draw
+        Gosu.draw_rect(
+          @text.x - @margin, @text.y - @margin,
+          @text.width + @margin * 2, @text.height + @margin * 2,
+          @background
+        )
+        @text.draw
+      end
+
+      def update
+        if (Gosu.milliseconds / 1000.0) % 1.0 >= 0.9
+          random = "#{rand(0..999)}".rjust(3, "0")
+          @text.text = "Pistol\nAMMO: #{random}"
+        end
+
+        @text.x = window.width - (@margin * 2 + @text.width)
+        @text.y = window.height - (@margin * 2 + @text.height)
+      end
+    end
+  end
+end

lib/hud/widgets/health.rb

@@ -0,0 +1,48 @@
+class IMICFPS
+  class HUD
+    class HealthWidget < HUD::Widget
+      def setup
+        @spacer = 0
+        @text = Text.new("")
+        @width = 512
+        @height = 24
+        @slant = 32
+
+        @color = Gosu::Color.rgba(100, 100, 200, 128)
+        @shield = Gosu::Color.rgba(200, 100, 50, 200)
+
+        @health = 0.0
+      end
+
+      def draw
+        @text.draw
+        fill_quad(
+          window.width / 2 - @width / 2, @spacer, # TOP LEFT
+          window.width / 2 + @width / 2, @spacer, # TOP RIGHT
+          window.width / 2 + @width / 2 - @slant, @spacer + @height, # BOTTOM RIGHT
+          window.width / 2 - @width / 2 + @slant, @spacer + @height, # BOTTOM LEFT
+          @color
+        )
+
+        # Current Health
+        fill_quad(
+          window.width / 2 - @width / 2, @spacer, # TOP LEFT
+          (window.width / 2 - @width / 2) + @width * @health, @spacer, # TOP RIGHT
+          (window.width / 2 - @width / 2) + @width * @health - @slant, @spacer + @height, # BOTTOM RIGHT
+          window.width / 2 - @width / 2 + @slant, @spacer + @height, # BOTTOM LEFT
+          @shield
+        )
+      end
+
+      def update
+        percentage = "#{(@health * 100).round}".rjust(3, "0")
+        @text.text = "[Health #{percentage}%]"
+        @text.x = window.width / 2 - @text.width / 2
+        @text.y = @spacer + @height / 2 - @text.height / 2
+
+        @health += 0.1 * window.dt
+        @health = 0 if @health > 1.0
+      end
+    end
+  end
+end

lib/hud/widgets/radar.rb

@@ -0,0 +1,28 @@
+class IMICFPS
+  class HUD
+    class RadarWidget < HUD::Widget
+      def setup
+        @size = 256
+        @color = Gosu::Color.new(0x88222222)
+
+        @text = Text.new("RADAR")
+      end
+
+      def draw
+        Gosu.draw_rect(
+          @margin, window.height - (@size + @margin),
+          @size, @size,
+          @color
+        )
+
+        @text.draw
+      end
+
+      def update
+        @text.text = "RADAR: X #{@player.position.x.round(1)} Y #{@player.position.z.round(1)}"
+        @text.x = @margin + @size / 2 - @text.width / 2
+        @text.y = window.height - (@margin + @size)
+      end
+    end
+  end
+end