mirror of
https://github.com/CookieCollective/Live-Coding-Sources.git
synced 2025-07-24 01:16:23 +02:00
133 lines
2.5 KiB
GLSL
133 lines
2.5 KiB
GLSL
#version 410 core
|
|
|
|
uniform float fGlobalTime; // in seconds
|
|
uniform vec2 v2Resolution; // viewport resolution (in pixels)
|
|
|
|
uniform sampler1D texFFT; // towards 0.0 is bass / lower freq, towards 1.0 is higher / treble freq
|
|
uniform sampler1D texFFTSmoothed; // this one has longer falloff and less harsh transients
|
|
uniform sampler1D texFFTIntegrated; // this is continually increasing
|
|
uniform sampler2D texChecker;
|
|
uniform sampler2D texNoise;
|
|
uniform sampler2D texTex1;
|
|
uniform sampler2D texTex2;
|
|
uniform sampler2D texTex3;
|
|
uniform sampler2D texTex4;
|
|
|
|
layout(location = 0) out vec4 out_color; // out_color must be written in order to see anything
|
|
float bass;
|
|
float bassTime;
|
|
|
|
|
|
float obj(vec3 p)
|
|
{
|
|
vec3 pp = p;
|
|
pp.z = mod(p.z, 10.)-5.;
|
|
float d= -abs(p.x-1.)+3.+cos(length(pp.yz*3.)-fGlobalTime)*.1;
|
|
|
|
|
|
return d;
|
|
}
|
|
|
|
float obj2(vec3 p)
|
|
{
|
|
float d = length(p.xy-vec2(1.+cos(p.z),0.+sin(p.z)))-.1;
|
|
|
|
|
|
return d;
|
|
}
|
|
|
|
float map(vec3 p)
|
|
{
|
|
float d = dot(cos(p.xyz), sin(p.zxy))+1.;
|
|
|
|
|
|
d += cos(p.z*10.)*bass*.2;
|
|
d = min(d, obj(p));
|
|
d = min(d, obj2(p));
|
|
|
|
return d*.8;
|
|
}
|
|
|
|
vec3 normal(vec3 p)
|
|
{
|
|
|
|
vec3 n;
|
|
vec2 eps = vec2(0.01,0.);
|
|
n.x = map(p) - map(p+eps.xyy);
|
|
n.y = map(p) - map(p+eps.yxy);
|
|
n.z = map(p) - map(p+eps.yyx);
|
|
|
|
return normalize(n);
|
|
}
|
|
|
|
|
|
mat2 rotate(float v)
|
|
{
|
|
float a = cos(v);
|
|
float b = sin(v);
|
|
return mat2(a,b,-b,a);
|
|
}
|
|
|
|
vec3 raymarch(vec3 ro, vec3 rd)
|
|
{
|
|
vec3 p = ro;
|
|
|
|
for(int i=0; i<64; i++)
|
|
{
|
|
float d = map(p);
|
|
p += rd * d;
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
vec3 shade( vec3 ro, vec3 rd, vec3 p, vec3 n)
|
|
{
|
|
vec3 ld = normalize(vec3(.1,1.,-.5));
|
|
vec3 col = vec3(0.);
|
|
|
|
col = vec3(1.) * max(0., dot(n,ld))*.3;
|
|
col += mix(vec3(1.,.7,.1), vec3(.1,1.,.7), rd.x)*length(p-ro)*.05;
|
|
|
|
return col;
|
|
}
|
|
|
|
void main(void)
|
|
{
|
|
bassTime = 0.;
|
|
for(int i=0; i<10; i++)
|
|
bassTime += texelFetch(texFFTIntegrated, i,0).r;
|
|
|
|
vec2 uv = vec2(gl_FragCoord.x / v2Resolution.x, gl_FragCoord.y / v2Resolution.y);
|
|
uv -= 0.5;
|
|
uv /= vec2(v2Resolution.y / v2Resolution.x, 1);
|
|
|
|
bass = 0.1;
|
|
for(int i=0; i<10; i++)
|
|
bass += texelFetch(texFFTSmoothed, i,0).r;
|
|
|
|
vec3 ro = vec3(1.,0.,-fGlobalTime*.1-bassTime*.5);
|
|
vec3 rd = normalize(vec3(uv*2.,-1.));
|
|
rd.xy = rotate(bassTime*.01)*rd.xy;
|
|
|
|
vec3 p = raymarch(ro,rd);
|
|
vec3 n = normal(p);
|
|
vec3 col = shade(ro, rd, p, n);
|
|
|
|
|
|
for(int i=0; i<3; i++)
|
|
if(obj(p)<.1)
|
|
{
|
|
ro = p;
|
|
rd = reflect(rd,n);
|
|
|
|
p = raymarch(ro+rd*.1,rd);
|
|
n = normal(p);
|
|
col = shade(ro, rd, p, n);
|
|
|
|
}
|
|
if(obj2(p)<.1)
|
|
col += vec3(.1,.7,1.) * bass;
|
|
|
|
out_color = vec4(col, 1.);
|
|
} |