Refactored GameObject to Entity, replaced @x,@y,@z with @position, added @velocity vector to Entity, bricked Player terrain interaction while authoring Axis Aligned Bounding Box Tree for CollisionManager to handle all collision interaction. Added PhysicsManager stub.

lib/managers/collision_manager.rb

@@ -2,25 +2,33 @@ class IMICFPS
   class CollisionManager
     def initialize(game_state:)
       @game_state = game_state
-      # @aabb_tree  = AABBTree.new
+      @aabb_tree  = AABBTree.new
+    end
+
+    def add(entity)
+      @aabb_tree.add(entity.normalized_bounding_box, entity)
+    end
+
+    def remove(entity)
+      @aabb_tree.remove(entity)
     end
 
     def lazy_check_collisions
       # Expensive AABB collision detection
-      @game_state.game_objects.each do |object|
-        @game_state.game_objects.each do |b|
-          next if object == b
-          next if object.is_a?(Terrain) || b.is_a?(Terrain)
+      @game_state.entities.each do |entity|
+        @game_state.entities.each do |other|
+          next if entity == other
+          next if entity.is_a?(Terrain) || other.is_a?(Terrain)
 
-          if object.intersect(object, b)
-            object.debug_color = Color.new(1.0,0.0,0.0)
-            b.debug_color = Color.new(1.0,0.0,0.0)
+          if entity.intersect(other)
+            entity.debug_color = Color.new(1.0,0.0,0.0)
+            other.debug_color = Color.new(1.0,0.0,0.0)
 
-           # @game_state.game_objects.delete(object) unless object.is_a?(Player)
-            # puts "#{object} is intersecting #{b}" if object.is_a?(Player)
+           # @game_state.entities.delete(entity) unless entity.is_a?(Player)
+            # puts "#{entity} is intersecting #{b}" if entity.is_a?(Player)
           else
-            object.debug_color = Color.new(0,1,0)
-            b.debug_color = Color.new(0,1,0)
+            entity.debug_color = Color.new(0,1,0)
+            other.debug_color = Color.new(0,1,0)
           end
         end
       end

lib/managers/entity_manager.rb

@@ -0,0 +1,28 @@
+class IMICFPS
+  TextureCoordinate = Struct.new(:u, :v, :weight)
+  Point = Struct.new(:x, :y)
+  Color = Struct.new(:red, :green, :blue, :alpha)
+
+  module EntityManager # Get included into GameState context
+    def add_entity(entity)
+      @collision_manager.add(entity) if entity.collidable?
+      @entities << entity
+    end
+
+    def find_entity(entity)
+      @entities.detect {|entity| entity == entity}
+    end
+
+    def remove_entity(entity)
+      ent = @entities.detect {|entity| entity == entity}
+      if ent
+        @collision_manager.remove(entity)
+        @entities.delete(ent)
+      end
+    end
+
+    def entities
+      @entities
+    end
+  end
+end

lib/managers/object_manager.rb

@@ -1,22 +0,0 @@
-class IMICFPS
-  TextureCoordinate = Struct.new(:u, :v, :weight)
-  Vertex = Struct.new(:x, :y, :z, :weight)
-  Point = Struct.new(:x, :y)
-  Color = Struct.new(:red, :green, :blue, :alpha)
-
-  module ObjectManager # Get included into GameState context
-    def add_object(model)
-      @game_objects << model
-    end
-
-    def find_object()
-    end
-
-    def remove_object()
-    end
-
-    def game_objects
-      @game_objects
-    end
-  end
-end

lib/managers/physics_manager.rb

@@ -0,0 +1,4 @@
+class IMICFPS
+  class PhysicsManager
+  end
+end