---

/*{
	"IMPORTED": [],
	"CATEGORIES": [
		"Automatically Converted",
		"Shadertoy"
	],
	"DESCRIPTION": "Automatically converted from https://www.shadertoy.com/view/3t2XDR by 104.  don't pollute",
	"INPUTS": []
}
*/



// { 2d cell id, distance to border, distnace to center )
vec4 cell(vec2 p) {
    float dxe = min(distance(p.x,floor(p.x)),distance(p.x,ceil(p.x)));
    float dye = min(distance(p.y,floor(p.y)),distance(p.y,ceil(p.y)));
    return vec4(floor(p), min(dxe,dye),length(fract(p)-.5));
}

vec4 hash42(vec2 p)
{
vec4 p4 = fract(vec4(p.xyxy) * vec4(.1031, .1030, .0973, .1099));
    p4 += dot(p4, p4.wzxy+33.33);
    return fract((p4.xxyz+p4.yzzw)*p4.zywx);
}

void main() {



    vec2 R = RENDERSIZE.xy;
    vec2 uv = gl_FragCoord.xy/R.xy;
    float t = TIME+1e2;
    uv.x *= R.x/R.y;
    uv *= 4.;
    float s = 1.;
    for (float i = 1.;i <= 8.; ++ i) {
        vec4 hex = cell(uv);
        vec4 h = hash42(hex.xy);
        uv+= hex.z*h.xy+hex.w*fract(i+t*.1);// todo: find a way to make smooth transition to next cell
        uv *= 1.02;
        gl_FragColor = h * sqrt(hex.z * hex.w);
    }
    gl_FragColor = pow(1.-gl_FragColor,gl_FragColor-gl_FragColor+8.);
}