How to make a simple 3d game (Raycaster) in Scratch. This is part 2 of a short tutorial and we actually create the raycaster. We'll cover projectiles, light rays, Godrays, Wide beam torches with shadows, 3d projection, lens correction, and two colour wall surfaces. I hope you are ready for some serious fun!

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My tutorials are for all budding game & software developers using Code Blocks. Scratch On guys!

Part 3    • Sprites in a 3D World | E3. Crazy Fun...  
Bug Fixes    • Quick Fixes for Raycasting Ep.26 wit...  

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Part 1    • Crazy Simple Raycasting E1   How to...  
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Video Chapters
0:00 Intro
0:30 Part 2 – Ray Casting
0:53 Firing a Simple Projectile
3:24 Move by 4 – why?
4:13 Don’t overlap the wall
5:13 Run Without Screen Refresh
6:01 Drawing a Ray with the Pen Extension
7:38 Laser Beam
8:27 Flash Light
9:38 Field of View
12:07 3d projection using raycasting
13:49 Coding our first 3d Raycaster
17:35 Hide the Level Map
18:07 Vertical Line Spacing & Resolution
21:20 Depth Shading the 3d Level
22:51 Fix Fisheye Lensing Effect
25:43 Horizon, Floor and Ceiling
27:41 Improving Jitter
29:30 Shaded Walls
34:16 Outro