Contest: Cursor Field Fun!

This contest has ended. Thank you for all your great entries. Please check out the winners and highlighted entries below!

Welcome to the seventh official Principia Building Contest!

The topic for this contest is to use the Cursor Field object to create something fun and interactive. You can create anything from visual interactive art to a piano or just a fun mini-game.

You have until next Wednesday, submit your entry before Wednesday February 5th.

As usual, the winner receives a golden trophy, and the runner-up a silver trophy.

Using the Cursor field object

The Cursor field object reports whenever you put your finger down on the screen within a region.

You can find the Cursor Field object in the Tools/Effects category. IN0 reports 1 when you touch a single cursor fields, IN1 reports dragging. Dragging (IN1) can be done from one cursor field to another and they will both report the drag event. IN0 will only report the first cursor field you click on until you release your finger again. IN2 is not used and serves no purpose at this point.

For an example on how to use the Cursor Field, please open this level in the sandbox: Cursor Field Example

How to Submit an Entry

After you have uploaded your level, browse to its level page, choose the correct contest and click "Enter level into contest".



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  • MrGockel: Now make the film studio contest :D now now nooooow :D
  • mightyslick: Congrats to everyone. I enjoyed looking at everyone's submissions. This was my first build in the game and contest entry. I learned a lot from everyone's creations. Cant wait for the next contest to post!
  • Golden: @zardOz: well good for you :(
  • zardOz2: Sweeet
  • Golden: Oh man i am sooo close to get crown
  • zardOz2: @jammer312: lolz
  • Golden: @MrGockel: you will get highlighted or not but me i think i probably will get silver trophy ot highlight
  • jammer312: I need to add trebuchet to my level)))
  • MrGockel: Zardoz: gold trophy techz: silver tropy me: highlighted yay :D thats what i think...
  • MrGockel: @jammer312 my level is SOO COMPLEX now... *amazing* the uzi has a moving part now... it moves when you touch the trigger !!!! *realistic*
  • Demon666: @jammer312: I'm already in the process of trying to make lua rope that was be reeled in and using the proximity sensor to give the illusion that the ropes are pulling the person in but my way is kinda shitty looking. if you have the time to make your own lua rope physics then please do lol. if you've ever seen the am anime attack on titan then that's what I am trying to base the game on.
  • jammer312: @MrGockel: Almost everybody wants it. I know some peoples that are very good in logic/electronics/lua[yep , this too] and made very good levels and still winners were mechanics((
    If you want trophy you better make something more complex.
  • MrGockel: I want a trophy D: D: D: D:
  • jammer312: @Demon666: if not then ask me and mznznlt for lua rope)
  • Demon666: @sdac: do you guys have plan on adding ropes/cables that can be reeled in? a have an amazing idea for a mini-game with spiderman-like movement lol.
  • Golden: Im not a golden trophy
    Im golden
    Lol just kidding
  • kuba: too hard for me;-)
  • sdac: My reply to zardOz on the layer matter: The cursor field is supposed to integrate well into the world and respect layers and other objects, that is why you can obstruct cursor fields in layer 1 with objects in layer 2. It is not a bug, but a feature. Cursor fields do however have priority over all other objects in its own layer or the layers below it, so you can place the cursor field in layer 2 in this case. This is also why you can offset the detection field to be outside of the actual touch field object.
  • TechZ2124: I agree, that's why I use to use the cursor finder instead of the cursor field. Anyway, I will build something interessant before next wednesday ;)
  • zardOz2: Hmm, S&P the Cursor Field is non-functional when covered... the cursor finnder doesnt have this problem... This severely limits the design options.
  • sdac: Good luck and have fun everyone!