Final shader: https://www.shadertoy.com/view/mtyGWy

Resources presented in the video:
• Shadertoy: https://www.shadertoy.com/
• Inigo Quilez website: https://iquilezles.org/articles/
• 2D signed distance functions: https://iquilezles.org/articles/distf...
• Color palette article: https://iquilezles.org/articles/palet...
• Color palette webapp: http://dev.thi.ng/gradients/
• Graphtoy: https://graphtoy.com/

Other useful resources:
• GLSL Reference & Swizzling: https://www.khronos.org/opengl/wiki/D...
• The Book of Shaders: https://thebookofshaders.com/
• Shadertoy Unofficial: https://shadertoyunofficial.wordpress...
• Inigo Quilez's channel: @InigoQuilez
• The Art of Code's channel: @TheArtofCodeIsCool