Programming Logic & Event-Driven Systems

Have you ever played a video game and wondered how the characters know when to jump when you press a button? That's event-driven programming - and you're about to learn how it works!

What You'll Learn:

• 🎮 How programs respond to events (like button clicks)
• 🔄 How to make things repeat with loops
• 🎯 How to use IF-THEN logic in programming
• 🎨 How to create animations and games

Get ready to become a programmer! 🚀

In programming, an event is something that happens that your program can respond to - like clicking a button, pressing a key, or moving the mouse!

Common events:

• 🖱️ Click - When you click the mouse
• ⌨️ Key press - When you press a key
• 🏁 Start - When the program starts
• ⏱️ Timer - When time passes

Example:

This means: "When the start button is clicked, move forward 10 steps and turn 15 degrees." Try it in the block builder!

Sometimes you want to do something many times. Instead of writing the same code over and over, you can use a loop!

Types of loops:

• 🔁 Repeat - Do something a specific number of times
• ♾️ Forever - Keep doing something until you stop it

Example - Making a square:

This draws a square! Try creating your own shapes using loops. What happens if you change the number of repeats or the turn angle? 🎨

Real programs combine events, loops, and logic to create amazing things! Let's build something cool.

Example - Animated sprite:

1. WHEN flag clicked (event)
2. FOREVER (loop)
3. → Move 5 steps
4. → IF touching edge, THEN bounce
5. → Wait 0.1 seconds

This creates a sprite that moves around and bounces off the edges! Try building your own animation in the simulator.

Challenge ideas:

• Make a sprite move in a circle
• Create a sprite that follows your mouse
• Build a simple game with multiple sprites

Use the step-through debugger to see exactly what your program is doing at each moment. This helps you understand how everything works! 🔍