Ecs changes

- BitArray has always at least sizeof(uint) bits
- Renamed Entity to EcsEntity
- Added value parameter to EcsWorld.AssignComponent
- Matched EcsWorld generic parameters
- Added Scene
- Added Entity

GlitchyEngine/src/World/Scene.bf

@@ -0,0 +1,48 @@
+using GlitchyEngine.Math;
+using GlitchyEngine.Renderer;
+using System;
+
+namespace GlitchyEngine.World
+{
+	class Scene
+	{
+		internal EcsWorld _ecsWorld = new .() ~ delete _;
+
+		public this()
+		{
+			Entity entity = CreateEntity();
+			entity.AddComponent<SpriterRendererComponent>(.(ColorRGBA(0.2f, 0.9f, 0.15f)));
+		}
+
+		public ~this()
+		{
+		}
+
+		public void Update(GameTime gameTime)
+		{
+			//TransformSystem.Update(_ecsWorld);
+
+			for (var (entity, transform, sprite) in _ecsWorld.Enumerate<SimpleTransformComponent, SpriterRendererComponent>())
+			{
+				Renderer2D.DrawQuad(transform.Transform, sprite.Color);
+			}
+
+		}
+
+		public Entity CreateEntity(String name = "")
+		{
+			Entity entity = Entity(_ecsWorld.NewEntity(), this);
+			entity.AddComponent<SimpleTransformComponent>(.(.Identity));
+
+			let nameComponent = entity.AddComponent<DebugNameComponent>();
+			nameComponent.SetName(name.IsEmpty ? "Entity" : name);
+
+			return entity;
+		}
+
+		public void DestroyEntity(Entity entity)
+		{
+			_ecsWorld.RemoveEntity(entity.Handle);
+		}
+	}
+}