Uploaded April 2022 | Updated September 2026, 1 week ago

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Make your own 2D adventures with HTML, CSS & plain vanilla JavaScript, no frameworks and no libraries! Today we will apply state design pattern, sprite animation, parallax backgrounds and we will learn how to control FPS with timestamps and delta time. Have fun! :)

Part 1: youtu.be/c-1dBd1_G8A Animating player
Part 2: youtu.be/ug-gdfGb7I8 State management and parallax backgrounds (this video)
Part 3: youtu.be/lqNztI7BMf8 Enemy types
Part 4 : youtu.be/6ppfyWdoH3c Collisions & Particles
Part 5 : youtu.be/KICADKr_zeM Win & Lose Conditions, Timer, Clean up
Part 6: youtu.be/tWS_eURr2_w Bonus features

🎮 FULL SERIES:🎮 youtube.com/playlist?list=PLYElE_rzEw_uryBrrzu2E626MY4zoXvx2

❤ Related Links ❤
Art by bevouliin.com check out their website for more game art assets!
Download project sprite sheets:
🐕 Player: frankslaboratory.co.uk/downloads/97/player.png
Backgrounds:
Layer 1: frankslaboratory.co.uk/downloads/97/layer-1.png
Layer 2: frankslaboratory.co.uk/downloads/97/layer-2.png
Layer 3: frankslaboratory.co.uk/downloads/97/layer-3.png
Layer 4: frankslaboratory.co.uk/downloads/97/layer-4.png
Layer 5: frankslaboratory.co.uk/downloads/97/layer-5.png

⭐️Tutorial Contents ⭐️
00:00 Course overview & final project previews
00:29 Why to use State Design Pattern
00:57 State class
03:10 JavaScript state design pattern explained
12:51 Running state
13:46 Jumping state
15:23 Falling state
17:31 Sprite animation with vanilla JavaScript
18:32 How to control FPS in JavaScript game
24:28 Positioning the player in game world
25:35 Parallax backgrounds

Let's be friends
👍 You can message me on TWITTER twitter.com/code_laboratory
👍 Check out some of my source code on CODEPEN codepen.io/franksLaboratory

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#frankslaboratory