shawnlawson

Generic 1,2,3 Noise

float rand(float n){return fract(sin(n) * 43758.5453123);}

float noise(float p){
	float fl = floor(p);
  float fc = fract(p);
	return mix(rand(fl), rand(fl + 1.0), fc);
}

shawnlawson

void main () {
     vec2 uv = uv(); vec2 uvN = uvN(); vec3 c = black; 
    float theta = atan(uv.x, uv.y) / PI2 + .5; float phi = log(length(uv));
    
    float k = 4. * bands.w + 2.;
    float a = mod(atan(uv.x, uv.y), PI2/k);
    a = abs(a - PI2/k/2.);
    
    vec2 center = vec2 (0.);
    

shawnlawson

void main () {
     vec2 uv = uv(); vec2 uvN = uvN(); vec3 c = black; 
    float theta = atan(uv.x, uv.y) / PI2 + .5; float phi = log(length(uv));
    
    float k = 1.3 * bands.y * 2.;
    float a = mod(atan(uv.x, uv.y), PI2/k);
    a = abs(a - PI2/k/2.);
    
    c += red * .5 * length(bands);
    

shawnlawson

void main () {
     vec2 uv = uv(); vec2 uvN = uvN(); vec3 c = black; 
    float theta = atan(uv.x, uv.y) / PI2 + .5; float phi = log(length(uv));
    
    float k = 2. * bands.x + 2.;
    float a = mod(atan(uv.x, uv.y), PI2/k);
    a = abs(a - PI2/k/2.);
    
    vec2 center = vec2 (0.);
    

shawnlawson

void main () {
     vec2 uv = uv(); vec2 uvN = uvN(); vec3 c = black; 
    float theta = atan(uv.x, uv.y) / PI2 + .5; float phi = log(length(uv));
    
    float k = 2. * bands.x + 9.;
    float a = mod(atan(uv.x, uv.y), PI2/k);
    a = abs(a - PI2/k/2.);
    vec3 f = rmf(vec2(a, phi - time * 1.4), int(6. * bands.y)) * yellow;

    k = 2. * bands.y + 9.;

shawnlawson

void main () {
     vec2 uv = uv(); vec2 uvN = uvN(); vec3 c = black; 
    float theta = atan(uv.x, uv.y) / PI2 + .5; float phi = log(length(uv));
    
    float k = 2. * bands.x + 2.;
    float a = mod(atan(uv.x, uv.y), PI2/k);
    a = abs(a - PI2/k/2.);
    
    vec2 center = vec2 (0);
    

shawnlawson

void main() {
    vec2 st = st(), stN = stN(); vec3 c = black; 
    float theta = atan(st.x, st.y) / PI2; float phi = log(length(st));
    float k = 1. * bands.y + 2.; float a = mod(theta, PI2/k); a = abs(a - PI2/k/2.);

    vec2 r = rotate(vec2(bands.y - bands.x) * 2., st, time * .2 + bands.x);
    vec2 r2 = rotate(vec2(bands.x - bands.y) * 2., st, time * .2 - bands.x);

    vec3 v = voronoi(vec3(r *  3. * bands.y + st, bands.y * .3 + time * .1));

shawnlawson

void main() {
    vec2 st = st(), stN = stN(); vec3 c = white * .5; 
    float theta = atan(st.x, st.y) / PI2; float phi = log(length(st));
    float k = 1. * bands.y + 2.; float a = mod(theta, PI2/k); a = abs(a - PI2/k/2.);
    
    
    vec2 pq = fract( st * (.01 + length(bands)*1.));
    pq = rotate(vec2(0), pq, time - bands.z);
    pq = fract(pq);

shawnlawson

void main() {
    vec2 st = st(), stN = stN(); vec3 c =  white * .5; 
    float theta = atan(st.x, st.y) / PI2; float phi = log(length(st));
    float k = 1. * bands.y + 2.; float a = mod(theta, PI2/k); a = abs(a - PI2/k/2.);

    vec2 p = floor(vec2(a * 3., phi + time * 1.2 + bands.x) * 2.) * length(bands) * 2.;
    vec2 q = vec2(sin(p.x), sin(p.y)) ;
    float t = time * 4.13 + q.x * q.y * length(q);

shawnlawson

void main() {
    vec2 st = st(), stN = stN(); vec3 c =  white * .5; 
    float theta = atan(st.x, st.y) / PI2; float phi = log(length(st));
    float k = 1. * bands.y + 5.; float a = mod(theta, PI2/k); a = abs(a - PI2/k/2.) * 3.;

    vec2 p = mix(vec2(a * 6. * bands.y + st.y * bands.z + a*2., phi + phi * (3.+ bands.y * 4.) + time * .1), st, bands.x);
    p = rotate(vec2(0), p, time - bands.y - bands.z);
    p = fract(p * (1.+ bands.y));