obstacle collission added, but not working yet

grid/grid.go

@@ -48,12 +48,14 @@ func NewGrid(world *ecs.World,
 		components.Renderable,
 		components.Collectible](world)
 
-	obsmapper := generic.NewMap3[
+	obsmapper := generic.NewMap4[
 		components.Position,
+		components.Velocity,
 		components.Renderable,
 		components.Obstacle](world)
 
 	var pos *components.Position
+	var vel *components.Velocity
 	var render *components.Renderable
 	var speed *components.Speed
 
@@ -78,7 +80,8 @@ func NewGrid(world *ecs.World,
 				pos, render, _ = colmapper.Get(entity)
 			case tile.Obstacle:
 				entity := obsmapper.New()
-				pos, render, _ = obsmapper.Get(entity)
+				pos, vel, render, _ = obsmapper.Get(entity)
+				vel.Direction = tile.Direction
 			default:
 				log.Fatalln("unsupported tile type encountered")
 			}