/*{
"IMPORTED": [],
"CATEGORIES": [
"noise",
"Automatically Converted",
"Shadertoy"
],
"DESCRIPTION": "Automatically converted from https://www.shadertoy.com/view/4tfSzn by FabriceNeyret2. .",
"INPUTS": [
{
"NAME": "modx",
"TYPE": "float",
"DEFAULT": 0,
"MIN": -500,
"MAX": 500
},
{
"NAME": "mody",
"TYPE": "float",
"DEFAULT": 0,
"MIN": -500,
"MAX": 500
},
{
"NAME": "modz",
"TYPE": "float",
"DEFAULT": 0,
"MIN": -500,
"MAX": 500
}
]
}
*/#definePI3.1415927// --- noise functions from https://www.shadertoy.com/view/XslGRr// Created by inigo quilez - iq/2013// License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.constmat3 m =mat3(0.00,0.80,0.60,-0.80,0.36,-0.48,-0.60,-0.48,0.64);floathash(float n ){returnfract(sin(n)*43758.5453);}floatnoise(invec3 x ){// in [0,1]vec3 p =floor(x);vec3 f =fract(x);
f = f*f*(3.-2.*f);float n = p.x + p.y*57.+113.*p.z;float res =mix(mix(mix(hash(n+0.),hash(n+1.),f.x),mix(hash(n+57.),hash(n+58.),f.x),f.y),mix(mix(hash(n+113.),hash(n+114.),f.x),mix(hash(n+170.),hash(n+171.),f.x),f.y),f.z);return res;}floatfbm(vec3 p ){// in [0,1]float f;
f =0.5000*noise( p ); p = m*p*2.02;
f +=0.2500*noise( p ); p = m*p*2.03;
f +=0.1250*noise( p ); p = m*p*2.01;
f +=0.0625*noise( p );return f;}// --- End of: Created by inigo quilez --------------------vec2sfbm2(vec3 p ){return2.*vec2(fbm(p),fbm(p-327.67))-1.;}voidmain(){float t = TIME;vec2 mouse = modx / RENDERSIZE.xy;if(modz<0.)
mouse =vec2(.9,.5)*vec2(cos(1.*t)+.5*sin(2.2*t),sin(1.1*t)+.5*cos(1.9*t))/1.5;else
mouse =2.*mouse-1.;vec2 uv =2.*(gl_FragCoord.xy / RENDERSIZE.y-vec2(.9,.5));float a =.1*TIME, c=cos(a), s=sin(a);mat2 m =mat2(c,-s,s,c);vec4 col=vec4(0.);//vec3 paint = vec3(.7,.5,.4);vec3 paint =vec3(.3,.9,.7);for(float z=0.; z<1.; z+=1./30.){
paint =.5+.5*cos(4.*2.*PI*z+vec3(0.,2.*PI/3.,-2.*PI/3.));
uv *= m;vec2 duv =vec2(.8,.5)*sfbm2(vec3(1.2*uv,3.*z+TIME))-3.*z*mouse;float d =length(uv+duv)-1.2*(1.-z),
a =smoothstep(.1,.09,abs(d));
d =.5*a+.5*smoothstep(.09,.08,abs(d));
col +=(1.-col.a)*vec4(d*paint*exp(-0.*z),a);if(col.a>=.9)break;}
gl_FragColor = col;}
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