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James Grimwood

James Grimwood

Member since Aug 2019

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Shadertoy 3 Raymarching

Shadertoy 3 Raymarching

Let’s draw a lit 3D scene without defining any 3D objects. Yeah no it confused me too. I always thought the point of shaders was to make 3D models...

· 10.5k · 1
Shadertoy 2 Sinewaves

Shadertoy 2 Sinewaves

Today I figured out how to draw a line, and then make it wiggle using some basic maths. Writing shaders like this seems a bit inside-out. Instead of...

· 11.3k
Shadertoy 1 - Mandelbrot

Shadertoy 1 - Mandelbrot

Let’s spend this week learning about GLSL and making fancy images from code. The first one, a nice computationally intensive fractal. This just uses...

· 1.4k
Writing C Code on a Spectrum Next

Writing C Code on a Spectrum Next

What better way to wait out the apocalypse than trying to learn a new system. Read how I dug out my ZX Spectrum Next and set about writing C code on...

· 10.5k
Gameboy Advance Dev Workflow in 2020

Gameboy Advance Dev Workflow in 2020

How to write GameBoy Advance (GBA) homebrew using modern tools and systems in 2020. Compilers, editors, debugging and more! This isn’t the definitive...

· 11.7k
#GitHubGameOff Jam 2019 Day 1

#GitHubGameOff Jam 2019 Day 1

Instead of writing about the game jam afterwards, I’m going to try writing about what I’ve done each day. As well as being more interesting, it might...

· 71.8k
Minimum Spanning Tree

Minimum Spanning Tree

As a challenge I thought I’d try to implement the Minimum Spanning Tree algorithm, and have a play with it. My code is based off the excellent Coding...

· 1.3k
Some Puzzle

Some Puzzle

test puzzle View the full article

· 950+
One Lone Coder Jam 2019

One Lone Coder Jam 2019

This week I took part in the One Lone Coder 2019 game jam. The theme of this was “destruction”… My entry was started Friday, a mere 48 hours before...

· 350+
One Lone Coder Jam 2019

One Lone Coder Jam 2019

This week I took part in the One Lone Coder 2019 game jam. The theme of this was “destruction”… My entry was started Friday, a mere 48 hours before...

· 1.8k · 1
Godot Wild Jam 12

Godot Wild Jam 12

Between the 9th and 16th August 2019 I took part in the Godot Wild Jam #12. Let’s go through what it was like, and the things I learned this time. My...

· 350+
Godot Wild Jam 12

Godot Wild Jam 12

Between the 9th and 16th August 2019 I took part in the Godot Wild Jam #12. Let’s go through what it was like, and the things I learned this time. My...

· 950+
GMTK Game Jam 2019

GMTK Game Jam 2019

It’s been a long time since I entered a game jam, the last ones being the One Game a Month jams back in 2014. This one was the GMTK Game Jam 2019...

· 300+
GMTK Game Jam 2019

GMTK Game Jam 2019

It’s been a long time since I entered a game jam, the last ones being the One Game a Month jams back in 2014. This one was the GMTK Game Jam 2019...

· 400+