export declare const VELOX_VERTEX_SHADER = "\nattribute vec2 a_pos;\nvoid main(){ gl_Position = vec4(a_pos, 0.0, 1.0); }\n";
export declare const VELOX_FRAGMENT_SHADER = "\nprecision highp float;\nuniform vec2 u_res;\nuniform float u_time;\nuniform vec2 u_mouse;\nuniform float u_morph;\nuniform float u_noise_scale;\nuniform float u_mouse_amount;\nuniform float u_metal;\nuniform float u_camera;\n\n#define MAX_STEPS 70\n#define MAX_DIST 20.0\n#define SURF_DIST 0.002\n\nvec3 mod289(vec3 x){return x-floor(x*(1.0/289.0))*289.0;}\nvec4 mod289(vec4 x){return x-floor(x*(1.0/289.0))*289.0;}\nvec4 permute(vec4 x){return mod289(((x*34.0)+1.0)*x);}\nvec4 taylorInvSqrt(vec4 r){return 1.79284291400159-0.85373472095314*r;}\nfloat snoise(vec3 v){\n  const vec2 C=vec2(1.0/6.0,1.0/3.0);\n  const vec4 D=vec4(0.0,0.5,1.0,2.0);\n  vec3 i=floor(v+dot(v,C.yyy));\n  vec3 x0=v-i+dot(i,C.xxx);\n  vec3 g=step(x0.yzx,x0.xyz);\n  vec3 l=1.0-g;\n  vec3 i1=min(g.xyz,l.zxy);\n  vec3 i2=max(g.xyz,l.zxy);\n  vec3 x1=x0-i1+C.xxx;\n  vec3 x2=x0-i2+C.yyy;\n  vec3 x3=x0-D.yyy;\n  i=mod289(i);\n  vec4 p=permute(permute(permute(i.z+vec4(0.0,i1.z,i2.z,1.0))+i.y+vec4(0.0,i1.y,i2.y,1.0))+i.x+vec4(0.0,i1.x,i2.x,1.0));\n  float n_=0.142857142857;\n  vec3 ns=n_*D.wyz-D.xzx;\n  vec4 j=p-49.0*floor(p*ns.z*ns.z);\n  vec4 x_=floor(j*ns.z);\n  vec4 y_=floor(j-7.0*x_);\n  vec4 x=x_*ns.x+ns.yyyy;\n  vec4 y=y_*ns.x+ns.yyyy;\n  vec4 h=1.0-abs(x)-abs(y);\n  vec4 b0=vec4(x.xy,y.xy);\n  vec4 b1=vec4(x.zw,y.zw);\n  vec4 s0=floor(b0)*2.0+1.0;\n  vec4 s1=floor(b1)*2.0+1.0;\n  vec4 sh=-step(h,vec4(0.0));\n  vec4 a0=b0.xzyw+s0.xzyw*sh.xxyy;\n  vec4 a1=b1.xzyw+s1.xzyw*sh.zzww;\n  vec3 p0=vec3(a0.xy,h.x);\n  vec3 p1=vec3(a0.zw,h.y);\n  vec3 p2=vec3(a1.xy,h.z);\n  vec3 p3=vec3(a1.zw,h.w);\n  vec4 norm=taylorInvSqrt(vec4(dot(p0,p0),dot(p1,p1),dot(p2,p2),dot(p3,p3)));\n  p0*=norm.x;p1*=norm.y;p2*=norm.z;p3*=norm.w;\n  vec4 m=max(0.6-vec4(dot(x0,x0),dot(x1,x1),dot(x2,x2),dot(x3,x3)),0.0);\n  m=m*m;\n  return 42.0*dot(m*m,vec4(dot(p0,x0),dot(p1,x1),dot(p2,x2),dot(p3,x3)));\n}\n\nfloat map(vec3 p, float t) {\n  float radius = 1.8;\n  float morph = snoise(p * (0.8 * u_noise_scale) + t * 0.1) * 0.2;\n  morph += snoise(p * (1.5 * u_noise_scale) - t * 0.05 + 10.0) * 0.08;\n  morph += snoise(p * (3.0 * u_noise_scale) + t * 0.02) * 0.02;\n  return length(p) - radius + morph * u_morph;\n}\n\nvec3 calcNormal(vec3 p, float t) {\n  vec2 e = vec2(0.002, 0.0);\n  return normalize(vec3(\n    map(p+e.xyy, t) - map(p-e.xyy, t),\n    map(p+e.yxy, t) - map(p-e.yxy, t),\n    map(p+e.yyx, t) - map(p-e.yyx, t)\n  ));\n}\n\nvec3 envLighting(vec3 rd, vec2 mouse) {\n  vec3 col = vec3(0.03, 0.03, 0.03);\n  vec3 keyDir = normalize(vec3(0.5 + mouse.x, 1.0 + mouse.y * 0.5, 1.2));\n  float key = pow(max(dot(rd, keyDir), 0.0), 12.0);\n  col += vec3(0.95, 0.93, 0.9) * key * 1.5;\n  vec3 rimDir = normalize(vec3(-0.8, -0.2, -1.0));\n  float rim = pow(max(dot(rd, rimDir), 0.0), 6.0);\n  col += vec3(0.4, 0.42, 0.45) * rim * 0.8;\n  vec3 fillDir = normalize(vec3(-1.0, 0.5, 0.5));\n  float fill = pow(max(dot(rd, fillDir), 0.0), 3.0);\n  col += vec3(0.2, 0.2, 0.2) * fill * 0.6;\n  float panel = exp(-pow((rd.y - 0.2) * 4.0, 2.0)) * smoothstep(-0.5, 0.5, rd.z);\n  col += vec3(0.15) * panel;\n  return col;\n}\n\nvoid main() {\n  vec2 uv = (gl_FragCoord.xy - u_res * 0.5) / min(u_res.x, u_res.y);\n  float t = u_time * 0.8;\n  vec2 m = u_mouse * u_mouse_amount;\n  vec3 ro = vec3(0.0, 0.0, u_camera);\n  vec3 lookAt = vec3(m.x, m.y, 0.0);\n  vec3 fwd = normalize(lookAt - ro);\n  vec3 right = normalize(cross(vec3(0.0, 1.0, 0.0), fwd));\n  vec3 up = cross(fwd, right);\n  vec3 rd = normalize(fwd + uv.x * right + uv.y * up);\n  vec3 bgCol = mix(vec3(0.02), vec3(0.05), length(uv) * 0.5);\n  vec3 col = bgCol;\n  float d = 0.0;\n  for(int i=0; i<MAX_STEPS; i++) {\n    vec3 p = ro + rd * d;\n    float ds = map(p, t);\n    d += ds;\n    if(d > MAX_DIST || abs(ds) < SURF_DIST) break;\n  }\n  if(d < MAX_DIST) {\n    vec3 p = ro + rd * d;\n    vec3 n = calcNormal(p, t);\n    vec3 ref = reflect(rd, n);\n    float fresnel = pow(1.0 - max(dot(n, -rd), 0.0), 4.0);\n    fresnel = mix(0.4, 1.0, fresnel);\n    vec3 env = envLighting(ref, u_mouse);\n    col = env * fresnel * 1.8 * u_metal;\n    vec3 lightPos = normalize(vec3(0.5 + u_mouse.x, 1.0, 1.0));\n    float spec = pow(max(dot(ref, lightPos), 0.0), 60.0);\n    col += vec3(1.0) * spec * 2.0 * u_metal;\n    float disp = map(p, t) - (length(p) - 1.8);\n    col *= mix(0.7, 1.0, smoothstep(-0.1, 0.1, disp));\n  }\n  float bloom = exp(-length(uv) * 2.5);\n  col += vec3(0.02, 0.02, 0.02) * bloom;\n  col = col / (col + 0.5);\n  col = pow(col, vec3(1.0/2.2));\n  gl_FragColor = vec4(col, 1.0);\n}\n";
//# sourceMappingURL=liquidFormShaders.d.ts.map