Added pixel texture element

samples/main.rb

@@ -96,7 +96,7 @@ end
 # for entities it does similarly
 # mouse state can be read in systems always
 
-query = tag(:enemy) & component(:health, true) & anti(name("Trap Preview", true))
+query = Query.from(tag(:enemy) & component(:health, true) & anti(name("Trap Preview", true)))
 # in the match name will return just the one entity
 # tag and componet return list-like tables but they will be parallel and in order
 # empty columns will be filled with nil (not possible if only & is used)
@@ -105,7 +105,7 @@ query = tag(:enemy) & component(:health, true) & anti(name("Trap Preview", true)
 
 world.system :health_regen, for: query do |match, dt| # no trigger means always
   # example of a simple health regeneration system that regenerates health for all entities with a health component
-  healths = match[0]
+  healths = query.get[0] # get the first component in the query, in this case health, this will be a list of all health components for entities that match the query
   healths.add_scalar! :health, 1 * dt
   healths.clamp! :health, 0, 100
 end
@@ -136,12 +136,14 @@ world.system :trap_placement, trigger: trigger do |dt|
   end
 end
 
+name_query = Query.from(name("Trap Preview", true) & component(:sprite, true))
+
 # could be done as so or
-world.system :trap_preview, for: name("Trap Preview", true) do |match, dt| # example from teh game mist trying to be made with this engine
+world.system :trap_preview do |match, dt| # example from teh game mist trying to be made with this engine
   # do trap placement logic when a trap is held
   return unless world.holding_trap?
   # show a preview of the trap at the mouse position, you can use the mouse position relative to the world for this
-  e = match.first
+  e = name_query.get[0] # get the first entity that matches the name query, in this case the trap preview entity, this will be nil if no entity matches
   e.position = world.mouse_position_world
   e.active = true # enable the trap preview entity to show it at the mouse position
 end