const float SEED=69.42;
const vec3 COEFFS=fract((SEED+23.4567)*vec3(0.8191725133961645,0.6710436067037893,0.5497004779019703))+0.5;
const vec3 SECTION=fract(COEFFS.zxy-COEFFS.yzx*1.618);
vec3 bas(vec3 x){
vec3 i=floor(x);
vec3 f=fract(x);
vec3 s=sign(fract(x/2.0)-0.5);
vec3 k=fract(SECTION*i+i.yzx);
return s*f*(f-1.0)*((16.0*k-4.0)*f*(f-1.0)-1.0);
}
vec3 swayRandomized(vec3 seed,vec3 value){
return bas(seed.xyz+value.zxy-bas(seed.zxy+value.yzx)+bas(seed.yzx+value.xyz));
}
vec3 cosmic(vec3 c,vec3 con){
return (con
+ swayRandomized(c,con)
)*0.5;
//+ swayRandomized(c+1.1,con.xyz)
//+ swayRandomized(c+2.2,con.xyz))*0.25;
}
void mainImage(out vec4 fragColor,in vec2 fragCoord)
{
vec2 uv=(fragCoord*0.1)+swayRandomized(COEFFS.zxy,(iTime*0.1875)*COEFFS.yzx-fragCoord.yxy*0.004).xy*42.0;
float aTime=iTime*0.0625;
vec3 adj=vec3(-1.11,1.41,1.61);
vec3 s=(swayRandomized(vec3(34.0,76.0,59.0),aTime+adj))*0.25;
vec3 c=(swayRandomized(vec3(27.0,67.0,45.0),aTime-adj.yzx))*0.25;
vec3 con=vec3(0.0004375,0.0005625,0.0008125)*aTime+c*uv.x+s*uv.y;
con=cosmic(COEFFS,con);
con=cosmic(COEFFS+1.618,con);
fragColor=vec4(sin(con*3.1416)*0.5+0.5,1.0);
//fragColor=vec4(swayRandomized(COEFFS+3.0,con)*0.5+0.5,1.0);
}