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Build a ball pit

8 steps · about 95 min

1. 1. Run your first appRun a script, reload it on every save, and see where its errors show. 5 min
2. 2. Draw and animateDraw a ball on a canvas and move it every frame. 10 min
3. 3. Make it interactiveAdd a toolbar with buttons and a counter, and a key that adds balls. 15 min
4. 4. Add physicsGive the balls bodies so they fall, bounce off walls and knock into each other. 15 min
5. 5. Make it a packageTurn the script into a package, with its parts in modules. 15 min
6. 6. Remember thingsSave the number of balls and bring it back on the next run. 10 min
7. 7. Test itTest the pit's logic, and press its buttons from a test. 15 min
8. 8. Share itGive the package a title and a license, check it, and pack it to share. 10 min

Your first data view

3 steps · about 35 min

1. 1. Load a tableLoad a CSV file and show it in a table. 10 min
2. 2. Ask with SQLAsk the table a question in SQL and show the answer. 10 min
3. 3. Chart the answerChart the answer as bars, and brush a range to ask again. 15 min