Added more hud widgets for showing squadmates and crosshair, added crosshair image and source svg, hackish fix to make renderer resize on windows size change, added CameraController camera control is back in 😂

lib/camera_controller.rb

@@ -0,0 +1,90 @@
+class IMICFPS
+  class CameraController
+    include CommonMethods
+    
+    def initialize(mode: :fpv, camera:, entity:)
+      # :fpv - First Person View
+      # :tpv - Third Person View
+      @mode = mode
+      @camera = camera
+      @entity = entity
+      
+      @distance = 4
+      @origin_distance = @distance
+      @constant_pitch = 0
+      
+      window.mouse_x, window.mouse_y = window.width / 2, window.height / 2
+      
+      @true_mouse = Point.new(window.width / 2, window.height / 2)
+      @mouse_sensitivity = 20.0 # Less is faster, more is slower
+      @mouse_captured = true
+      @mouse_checked = 0
+    end
+    
+    def distance_from_object
+      @distance
+    end
+
+    def horizontal_distance_from_object
+      distance_from_object * Math.cos(@constant_pitch)
+    end
+
+    def vertical_distance_from_object
+      distance_from_object * Math.sin(@constant_pitch)
+    end
+    
+    def position_camera
+      if defined?(@entity.first_person_view)
+        if @entity.first_person_view
+          @distance = 0
+        else
+          @distance = @origin_distance
+        end
+      end
+
+      x_offset = horizontal_distance_from_object * Math.sin(@entity.orientation.y.degrees_to_radians)
+      z_offset = horizontal_distance_from_object * Math.cos(@entity.orientation.y.degrees_to_radians)
+
+      eye_height = @entity.bounding_box.max.y
+
+      @camera.position.x = @entity.position.x - x_offset
+      @camera.position.y = @entity.position.y + eye_height
+      @camera.position.z = @entity.position.z - z_offset
+
+      @camera.orientation.y = 180 - @entity.orientation.y
+    end
+    
+    def update
+      position_camera
+      
+      if @mouse_captured
+        delta = Float(@true_mouse.x - self.mouse_x) / (@mouse_sensitivity * @camera.field_of_view) * 70
+        @camera.orientation.y -= delta
+        @camera.orientation.y %= 360.0
+
+        @camera.orientation.x -= Float(@true_mouse.y - window.mouse_y) / (@mouse_sensitivity * @camera.field_of_view) * 70
+        @camera.orientation.x = @camera.orientation.x.clamp(-90.0, 90.0)
+
+        @entity.orientation.y += delta
+        @entity.orientation.y %= 360.0
+
+        window.mouse_x = window.width  / 2 if window.mouse_x <= 1 || window.mouse_x >= window.width-1
+        window.mouse_y = window.height / 2 if window.mouse_y <= 1 || window.mouse_y >= window.height-1
+        @true_mouse.x, @true_mouse.y = window.mouse_x, window.mouse_y
+      end
+    end
+    
+    def button_down(id)
+      case id
+      when Gosu::KB_LEFT_ALT, Gosu::KB_RIGHT_ALT
+        @mouse_captured = false
+        window.needs_cursor = true
+      when Gosu::MS_LEFT, Gosu::MS_MIDDLE, Gosu::MS_RIGHT
+        @mouse_captured = true
+        window.needs_cursor = false
+      end
+    end
+    
+    def button_up(id); end
+  end
+end