OpenGL Fragment Shaders | Normalising - Part 1

Probably the most important topic in this beginner series.
Normalising.

To be clear, I think "min-max" normalising is taking place. You can find out more here: https://www.youtube.com/watch?v=LRxStPgTm8U

This series is based off of the free on-line book, "The Book Of Shaders", by Patricio Gonzalez Vivo and Jen Lowe.
https://thebookofshaders.com/
If you feel like donating, please donate to those two; a donation link is found on their website linked above.

Previous video: https://www.bitchute.com/video/tne3Nvd9sEnV/

Editor used: https://patriciogonzalezvivo.github.io/glslEditor/

code used in the video:

1.

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 u_resolution;

void main() {
vec2 st = gl_FragCoord.xy/u_resolution;

gl_FragColor = vec4(1.,0.0,1.0,1.0);
}

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