mirror of
https://github.com/CookieCollective/Live-Coding-Sources.git
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140 lines
3.8 KiB
GLSL
140 lines
3.8 KiB
GLSL
#version 410 core
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uniform float fGlobalTime; // in seconds
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uniform vec2 v2Resolution; // viewport resolution (in pixels)
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uniform float fFrameTime; // duration of the last frame, in seconds
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uniform sampler1D texFFT; // towards 0.0 is bass / lower freq, towards 1.0 is higher / treble freq
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uniform sampler1D texFFTSmoothed; // this one has longer falloff and less harsh transients
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uniform sampler1D texFFTIntegrated; // this is continually increasing
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uniform sampler2D texPreviousFrame; // screenshot of the previous frame
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uniform sampler2D texChecker;
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uniform sampler2D texNoise;
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uniform sampler2D texTex1;
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uniform sampler2D texTex2;
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uniform sampler2D texTex3;
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uniform sampler2D texTex4;
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layout(location = 0) out vec4 out_color; // out_color must be written in order to see anything
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mat2 rot(float a){float c=cos(a),s=sin(a);return mat2(c,-s,s,c);}
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float box(vec3 p,vec3 b){
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vec3 q= abs(p)-b;
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return length(max(vec3(0.),q))+min(0.,max(q.x,max(q.y,q.z)));
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}
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vec2 sdf(vec3 p){
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vec3 op = p;
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float bt = texture(texFFTIntegrated,.33).r*.2;
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vec2 l = vec2(atan(p.z,abs(p.x)),p.y);
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p += vec3(5,2.,-2.0);
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p.xy *= rot(-.785*sin(floor(bt)));
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float tt = texture(texNoise,p.xy*.1+bt).r;
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float ttt = texture(texFFT,atan(p.x,p.z)+tt*4+fGlobalTime).r;
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tt = floor(tt*100)/100;
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ttt = sqrt(ttt);
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vec2 h;
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h.x = length(p)-5.-tt;
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h.y = 1.-(ttt);
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vec2 t;
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op.x -=2.;
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op.z = mod(op.z,5)-2.5;
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op.y +=sin(op.z*5+bt*10);
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op.xy *=rot(floor(fGlobalTime+bt*20));
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op.xz *=rot(floor(bt*20)*1.33);
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t.x = box(op,vec3(.9));
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t.y = 2.;
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h = t.x < h.x ? t:h;
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return h;
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}
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vec2 nv=vec2(-.001,.001);
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#define q(s) s*sdf(p+s).x
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vec3 norm(vec3 p){return normalize(q(nv.xyy)+q(nv.yyx)+q(nv.yxy)+q(nv.xxx));}
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vec3 pal(float t){return .5+.5*cos(6.28*(1.*t+vec3(.0,.3,.7)));}
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// Art of code <3
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float h21(vec2 p) {
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vec3 a = fract(vec3(p.xyx) * vec3(213.897, 653.453, 253.098));
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a += dot(a, a.yzx + 79.76);
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return fract((a.x + a.y) * a.z);
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}
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void main(void)
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{
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vec2 uv = vec2(gl_FragCoord.x / v2Resolution.x, gl_FragCoord.y / v2Resolution.y);
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uv -= 0.5;
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uv /= vec2(v2Resolution.y / v2Resolution.x, 1);
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vec2 puv = uv;
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vec3 ro=vec3(.0,.0,-5.),rd=normalize(vec3(uv,1.)),rp=ro;
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vec3 light = vec3(1.,2.,-3.);
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float bt = texture(texFFT,.2).r;
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float tt = texture(texFFT,floor(abs(uv.x)*100)/100).r;
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tt =sqrt(tt)*3;
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vec3 col= vec3(tt)*sqrt(pal(tt));
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vec3 acc = vec3(0.);
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for(float i=0.;i<=69.;i++){
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vec2 d = sdf(rp);
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if(d.y <=.92+sin(fGlobalTime)*.04){
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acc += pal(d.y*1.2+fGlobalTime*.1)*max(0.,exp(10*-abs(d.x))/(25.-d.y*20))*exp(-abs(i/20));
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d.x = max(0.01,abs(d.x));
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}
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if(d.y == 2.) {
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acc += vec3(.1,.8,.4)*max(0.,exp(1*-abs(d.x))/(69.-bt*8000.));
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d.x = max(0.1,abs(d.x));
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}
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rp +=rd*d.x;
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if(d.x <=.001){
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vec3 n = norm(rp);
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float fre = pow(1.-dot(-rd,n),5.);
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if(d.y <=1.){
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col = fre*vec3(.1,.5,.8)+vec3(.3)*max(0.,dot(n,normalize(light-rp)));
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break; // CA ME TURA UN JOUR CET OUBLIE
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} else {
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//col = vec3(1.3)*max(0.,dot(n,normalize(light-rp)));
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//break;
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}
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}
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}
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// puv = (puv * vec2(v2Resolution.y / v2Resolution.x, 1))+.5;
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vec2 puvr = (puv*vec2(1.1) * vec2(v2Resolution.y / v2Resolution.x, 1))+.5;
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vec2 puvg = (puv *vec2(1)* vec2(v2Resolution.y / v2Resolution.x, 1))+.5;
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vec2 puvb = (puv*vec2(.9) * vec2(v2Resolution.y / v2Resolution.x, 1))+.5;
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vec3 pcol =vec3(texture(texPreviousFrame,puvr).r,
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texture(texPreviousFrame,puvg).g,
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texture(texPreviousFrame,puvb).b
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);
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col = mix(col,pcol,.5+fract(fGlobalTime*4)*.4);
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col+=acc;
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out_color = vec4(col,1.);
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} |