fix arche panic, by initializing colquery only when needed

game/levels.go

@@ -64,7 +64,6 @@ func NewLevel(game *Game, cellsize int, plan *assets.RawLevel) *Level {
 
 func (level *Level) Update() {
 	query := level.World.Query(level.Selector["player"])
-	colquery := level.World.Query(level.Selector["collectible"])
 
 	for query.Next() {
 		playerposition := (*components.Position)(query.Get(level.Component["position"]))
@@ -105,6 +104,7 @@ func (level *Level) Update() {
 				}
 			}
 
+			colquery := level.World.Query(level.Selector["collectible"])
 			for colquery.Next() {
 				collectible := (*components.Collectible)(colquery.Get(level.Component["collectible"]))
 				colposition := (*components.Position)(colquery.Get(level.Component["position"]))