manim/manimlib/shaders/mandelbrot_fractal/vert.glsl

#version 330

in vec3 point;
out vec3 xyz_coords;

uniform float scale_factor;
uniform vec3 offset;

#INSERT emit_gl_Position.glsl

void main(){
    xyz_coords = (point - offset) / scale_factor;
    emit_gl_Position(point);
}