Smart Sprites & Debugging

Conditionals, logic, and the debug mindset

Overview

Make sprites that think! Build a Crystal Collector game with a smart guardian enemy. Learn if/then conditionals and our 3-Step Debug Method: READ → CHECK → TEST. Debugging isn't failure, it's what real programmers do.

Key Concepts

if/thenif/then/elsedebugginggame statesenemy AI

LEARNING OBJECTIVES

Make sprites "think" with if/then conditionals
Implement the 3-Step Debug Method
Create win/lose conditions with game states
Normalize debugging as professional practice

スライド / SURAIDO — SLIDES

Lesson Presentation

Follow along with this week's lesson slides

Week 4 Slides

34 slides

~16 min

Click to focus, then use arrow keys to navigate • Press F for fullscreen

作品 / SAKUHIN — PROJECTS

Scratch Projects

Open these in Scratch to follow along and build your own

Scratch Project

START HERE

Crystal Collector (with 3 bugs!)

Find and fix the bugs while learning conditionals

Starter

Project link coming soon

Scratch Project

Multi-Enemy Collector with Lives

Add multiple enemies and a lives system

Challenge

Project link coming soon

Next week we track scores and lives with variables!

Go to Week 5