Rules (events)

When this happens, do that. The Events tab, the picker, red rules, groups, gates and Teach me.

  1. What a rule isTwo halves: When and Do. Checked top to bottom, sixty times a second.
  2. The Events tabRows are rules, columns are things. The columns in order.
  3. Grid or listThe same rules two ways. The list reads like sentences.
  4. Your first ruleWhen the ball hits a brick, smash the brick and bounce the ball.
  5. Choosing a conditionThe picker: pick a thing, then what to test. Search for โ€œcollidesโ€.
  6. Adding actionsClick a cell, pick what that thing should do. Reorder, change, delete.
  7. The settings dialogThe ๐Ÿ’ก line, the boxes, and the sentence that updates as you type.
  8. Red rules happen onceRed conditions are moments. The others are checked all the time.
  9. Only the coin you touchedA condition picks the copies it is about, so Destroy removes just those.
  10. NOT: the oppositeMake any condition the other way round.
  11. Groups and commentsFold rules into folders, switch a group on and off, leave notes.
  12. Works in every levelWrite a group once and it runs in every level of the game.
  13. Search, and Only one objectFind a rule in a big game, or show only the rules about the Hero.
  14. Only once, not more than, repeatThe Special conditions that limit or repeat a rule.
  15. Pick one at randomOut of all the coins, choose one.
  16. Turn off, duplicate, copy and paste rulesRight-click the number for more. โŒ˜C a rule into another level or game.
  17. Teach mePress Teach me while playing. When two sprites touch, NutHouse asks what should happen.
  18. Reading a sampleโ€™s rulesOpen a sample, switch to List, and read it like a story.

Still stuck?

Try the Chocobreak tutorial, open a sample game and read its rules, or look at the questions people ask.