ja lisää optimointeja

shader.glsl

@@ -1,12 +1,11 @@
-//precision mediump float;
+precision mediump float;
 uniform vec2 u_resolution;
 uniform float u_time;
 const float PI = 22./7.;
 
 // Rotate
 mat2 rot2D(float angle) {
-    float s = sin(angle);
+    float s = sin(angle), c = cos(angle);
-    float c = cos(angle);
     return mat2(c, -s, s, c);
 }
 
@@ -22,11 +21,11 @@ float hash(vec2 p)
     return fract( p.x*p.y*(p.x+p.y) );
 }
 
-float noise( in vec2 p, float scale )
+float noise(vec2 p, float scale )
 {
-    vec2 i = floor( p );
+    vec2 i = floor( p ),
-    vec2 f = fract( p );
+    f = fract( p ),
-	vec2 u = f*f*(3.-2.*f);
+	u = f*f*(3.-2.*f);
     return -scale+scale*mix( mix( hash( i + vec2(0.0,0.0) ), 
                               hash( i + vec2(1.0,0.0) ), u.x),
                          mix( hash( i + vec2(0.0,1.0) ), 
@@ -51,7 +50,7 @@ float sdCappedCylinder( vec3 p, float h, float r )
   return min(max(d.x,d.y),0.0) + length(max(d,0.0));
 }
 
-float sdBox( in vec2 p, in vec2 r )
+float sdBox(vec2 p, vec2 r)
 {
     return length( max(abs(p)-r,0.) );
 }
@@ -85,39 +84,34 @@ const vec3 glyph7Pos = vec3(1.7 * -1.,-1.1,0.0);
 */
 
 // DELAYS
-const float STARTDELAY = 9.;
+float STARTDELAY = 9.,
-const float glyphPhase = 2.;
+glyphPhase = 2.;
 
 // COLORS    
-vec3 fogColor1 = vec3(.4, .2, .4);       // fog color1
+vec3 fogColor1 = vec3(.4, .2, .4),       // fog color1
-vec3 fogColor2 = vec3(.7, .4, .2);       // fog color2
+fogColor2 = vec3(.7, .4, .2),       // fog color2
-vec3 indirColor = vec3(.2, .1, .3);       // indirect light color
+indirColor = vec3(.2, .1, .3),       // indirect light color
-vec3 light1Color = vec3(.9, .5, .7);
+light1Color = vec3(.9, .5, .7),
-vec3 light2Color = vec3(.8, .7, .5);
+light2Color = vec3(.8, .7, .5),
-vec3 chevronColor = vec3(.9, .3, 0.);
+chevronColor = vec3(.9, .3, 0.);
 
 //  with duration d, startTime s and speed up with timeFact
-float timedSine(float maxCycles, float startTime, float timeFact) {    
+float timedSine(vec3 i) {    
-    startTime *= timeFact;
+    i.y *= i.z; 
-    float phase = ((u_time * timeFact) - startTime) / PI;    
+    return PI * min(((u_time * i.z) - i.y) / PI, i.x);
-    return PI * min(phase, maxCycles);
 }
 
 float calcFactor (float startTime)
 {
-    float factor = 9. + 9.*clamp(sin(timedSine(1.5, startTime, 4.) * 0.06), -.9, .9);
+    return 9. + 9.*clamp(sin(timedSine(vec3(1.5, startTime, 4.)) * 0.06), -.9, .9);    
-    return factor;
 }
 
 // Animate ring movements
-vec3 ringAnim( in vec3 p) {
+vec3 ringAnim(vec3 p) {
     for (float i = 0.; i < 7.; i++) {
-        float rotateDelay = STARTDELAY + (i * glyphPhase);
+        float rotateDelay = STARTDELAY + (i * glyphPhase), o=1.;
         if(u_time > rotateDelay) {            
-            float o = 1.;
+            if(mod(i,2.) >= 1.) o = -1.;            
-            if(mod(i,2.) >= 1.) {                
-                o = -1.;
-            }            
             p.xy *= rot2D(calcFactor(rotateDelay)*o);            
         }
     }
@@ -125,32 +119,30 @@ vec3 ringAnim( in vec3 p) {
 }
 
 // Animate prism movements
-float prismAnim(in float x, in float delay) {
+float prismAnim(vec2 i) {
-    if(u_time >= delay) {
+    if(u_time >= i.y) {
-        x += (.045*clamp(sin((timedSine(3., delay, 40.) * .4)),-.8, .8));
+        i.x += (.045*clamp(sin((timedSine(vec3(3., i.y, 40.)) * .4)),-.8, .8));
     }
-    return x;
+    return i.x;
 }
 
 //////////////
 //   SCENE  //
 //////////////
 
-vec2 map(in vec3 p)
+vec2 map(vec3 p)
 {
-    float mat = 0.;
+    float mat = 0.,    
-    // Stargate
-
     // Ring boxes
-    float an = PI/12.;    
+    an = PI/12.,   
-    float anRot = floor(atan(p.y,p.x)/an + .5)*an;
+    anRot = floor(atan(p.y,p.x)/an + .5)*an;
     vec3 q = p;
     q.xy = mat2(cos(anRot),-sin(anRot),
                 sin(anRot), cos(anRot))*q.xy;
-    float d = sdBox( q.xy - vec2(1.8,0.), vec2(0.24,0.14) ) - .02;
+    float d = sdBox( q.xy - vec2(1.8,0.), vec2(0.24,0.14) ) - .02,
 
     // Main ring
-    float d2 = abs(length(p.xy) - 1.8) - .2;
+    d2 = abs(length(p.xy) - 1.8) - .2;
     d = min(d,d2);
 
     // Inner ring
@@ -162,6 +154,7 @@ vec2 map(in vec3 p)
     d = smax( d, abs(p.z)-.1, .02 );
 
     // Prisms    
+    
     for(float i = 0.; i < 8.; i++ ) {        
         an = 24.67 / (PI * 2.); // sector size
         q = p;
@@ -178,7 +171,7 @@ vec2 map(in vec3 p)
         if (i > 0.) {        
             q.x -= 1.95;
             vec3 q2 = q; // new point for movable parts
-            if(u_time > rotateDelay) q2.x = prismAnim(q2.x, rotateDelay);                                    
+            if(u_time > rotateDelay) q2.x = prismAnim(vec2(q2.x, rotateDelay));                                    
             float prismTop = sdTriPrism(vec3(q.x - .06, q.y, q.z), vec2(.1,.15), .5)-.01;
             d2 = max(- sdTriPrism(vec3(q2.x - .14, q2.y - 0. , q2.z), vec2(.22,.22), .5) - .01 , sdTriPrism(vec3(q2.x, q2.y, q2.z ), vec2(.2,.12), .5) - .02);
             d2 = min(d2, prismTop);
@@ -191,8 +184,7 @@ vec2 map(in vec3 p)
     }   
      
     //Rotating glyphs
-    vec3 p2 = ringAnim(p);    
+    vec3 p2 = ringAnim(p), q2=p2;    
-    vec3 q2 = p2;
     an = PI/16.;
     q2.xy = rot2D(floor((atan(p2.y,p2.x)/an) + .5)*an)*q2.xy;
     d2 = sdBox2( q2.xyz - vec3(1.75,0.,0.), vec3(.04, .14, .05) ) - .02;
@@ -227,21 +219,18 @@ vec2 map(in vec3 p)
 ////////////////
 
 float rayMarch(vec3 ro, vec3 rd) {
-    float t = 0.; // total distance travelled
+    float d,t = 0.; // total distance travelled    
-    float d;
     // Raymarching
     for (int i = 0; i < 90; i++) {        
-        vec3 p = ro + rd * t; // "cast" rays
+        d = map(ro + rd * t).x; // Get distance to objects
-        d = map(p).x; // Get distance to objects
         t += d; // "march" the ray
         if (abs(d) < .002 || t > 400.) break;
     }
     return t;
 }
 vec3 getNormal(vec3 p) {    
-    float d = map(p).x;
     vec2 e = vec2(.01, 0.);
-    vec3 n = d - vec3(
+    vec3 n = map(p).x - vec3(
         map(p-e.xyy).x,
         map(p-e.yxy).x,
         map(p-e.yyx).x);
@@ -249,20 +238,17 @@ vec3 getNormal(vec3 p) {
 }
 
 float getLight(vec3 p, vec3 lightPos, float intensity, float shadow) {
-    vec3 l = normalize(lightPos - p);
+    vec3 l = normalize(lightPos - p), n = getNormal(p);
-    vec3 n = getNormal(p);
+    float dif = clamp(dot(n, l), 0., intensity),    
-    float dif = clamp(dot(n, l), 0., intensity);
+    d = rayMarch(p+n*.0025, l);
-    // Shadows
-    float d = rayMarch(p+n*.0025, l);
     if(abs(d)<length(lightPos-p)) dif *= shadow;
     return dif;
 }
 
 vec3 applyFog(vec3 col, float t, vec3 rd, vec3  lightDir, float b ) {    
-  float sunAmount = max( dot(rd, lightDir), 0. );
     vec3 fogColor = mix( fogColor1, // blue
                          fogColor2, // yellow
-                           pow(sunAmount,8.));
+                         pow(max( dot(rd, lightDir), 0.) ,8.));
     return mix( col, fogColor, 1.0 - exp(-t*b) );
 }
 
@@ -279,8 +265,7 @@ vec3 getCameraRayDir(vec2 uv, vec3 p, vec3 l, float z)
 
 vec3 postProcess(vec3 col) {             
     // Vignette    
-    float radius = .9;    
+    col *= smoothstep(0.9, 0.5, length(gl_FragCoord.xy/u_resolution.xy-vec2(.5)));    
-    col *=  smoothstep(radius, radius-.4, length(gl_FragCoord.xy/u_resolution.xy-vec2(.5)));    
     // Colour mapping
     col *= vec3(.9, 0.8, 0.7);
     // gamma   
@@ -295,10 +280,9 @@ vec3 cameraPos()
     // first zoom in to the gate
     vec3 cPos = vec3(0., clamp(6.-u_time,2.,6.), clamp((75.-u_time*8.),6.,75.));
     if (u_time > 7.5) cPos += vec3(0., clamp(7.5-u_time,-1.,0.), 0.);    
-
     // close up shot for 1st glyph lock
     if (u_time > 10.5) cPos = vec3(2.,-1.,1.);
-        //zoom away for 2nd glyph animation
+    // zoom away for 2nd glyph animation
     if (u_time > 12.) cPos = vec3(-1., -1., 4.);
     
     //close up shot for the 2nd glyph lock
@@ -321,10 +305,9 @@ vec3 cameraPointAt() {
 }
 
 // flash screen with glyph color when it is locked
-vec3 colorFlashesAnim(in vec3 col) {
+vec3 colorFlashesAnim(vec3 col) {    
-    float delay = 10.75;
+    if(u_time > 10.75) {
-    if(u_time > delay) {
+        float x = smoothstep(-1.,.8,sin((timedSine(vec3(.8, 10.75, 8.))*2.)));
-        float x = smoothstep(-1.,.8,sin((timedSine(.8, delay, 8.)*2.)));
         col = mix(col, chevronColor * (x * 1.4), x *.76);
     }
     return col;
@@ -333,15 +316,15 @@ vec3 colorFlashesAnim(in vec3 col) {
 vec3 sceneGate(vec2 uv)
 {
     // Initialization   
-    vec3 ro = cameraPos();
+    vec3 ro = cameraPos(),
-    vec3 rd = getCameraRayDir(uv, ro, cameraPointAt(), 2.);   // ray direction
+    rd = getCameraRayDir(uv, ro, cameraPointAt(), 2.),
-    vec3 col = vec3(0.);     // color
+    col = vec3(0.);
     float d = rayMarch(ro, rd);
 
     if (d < 150.) {
         // Lighting
         vec3 p = ro + rd * d;
-        float mat = map(p).y;
+        float mat = map(p).y,
 
         // Light 1 Arguments
         // 1: Ray starting point
@@ -350,7 +333,7 @@ vec3 sceneGate(vec2 uv)
         // 4: Shadow intensity
 
         // Light 2
-        float dif = getLight(p,  vec3( 10., 15., 25.), 1., .2);
+        dif = getLight(p,  vec3( 10., 15., 25.), 1., .2);
         col += dif * light1Color;
 
         dif = getLight(p,  vec3( 4., 2., -15.), 1., 1.);
@@ -373,15 +356,13 @@ vec3 sceneGate(vec2 uv)
             col *= chevronColor;  // activated glyph color 
     
     }   
-   float fogAmount = .01;    
+   col = applyFog(col, d, rd, vec3(0., -.1, -1.), .01);
-   col = applyFog(col, d, rd, vec3(0., -.1, -1.), fogAmount);
    col = colorFlashesAnim(col); // animated color flash        
    return postProcess(col);
 }
 
 void pMod1(inout float p, float size) {
-    float halfsize = size*0.5;	
+    p = mod(p + size*0.5, size) - size*0.5;	
-	p = mod(p + halfsize, size) - halfsize;	
 }
 
 void getQ(inout vec3 q, float i, float speed, float radius) {   
@@ -393,8 +374,7 @@ void getQ(inout vec3 q, float i, float speed, float radius) {
 }
 
 vec2 map2(vec3 pos) {    
-    float d = 1e3;    
+    float d = 1e3, mat;
-    float mat;
     pMod1(pos.z, 1.);        
     for (float i = 0.; i < 90.; i++) {                    
         vec3 q = pos;        
@@ -412,19 +392,17 @@ vec2 map2(vec3 pos) {
 }
 
 vec3 palette(float t)  {
-    vec3 a = vec3(0.5, 0.5, 0.5);
+    vec3 a = vec3(0.5, 0.5, 0.5),
-    vec3 b = vec3(1.0, 1.0, 1.0);
+         b = vec3(1.0, 1.0, 1.0),
-    vec3 c = vec3(1.0, 1.0, 1.0);
+         c = vec3(1.0, 1.0, 1.0),
-    vec3 d = vec3(0.0, 0.66, 0.33);
+         d = vec3(0.0, 0.66, 0.33);
     return a + b * cos(6.3 * (c*t+d));
 }
  
 float rayMarch2(vec3 ro, vec3 rd) {
-    float t = 0.;
+    float t = 0.,d;
-    float d;
     for (int i = 0; i < 60; i++) {        
-        vec3 p = ro + rd * t;
+        d = map2(ro + rd * t).x;
-        d = map2(p).x;
         t += d;     
         if (d < .002 || t > 20.) break;
     }
@@ -432,12 +410,11 @@ float rayMarch2(vec3 ro, vec3 rd) {
 }
 
 vec3 sceneTunnel(vec2 uv) {    
-    vec3 ro = vec3(0.,0.,u_time*2. );
+    vec3 ro = vec3(0.,0.,u_time*2. ),
-    vec3 rd = normalize(vec3(uv, .7));       
+    col = vec3(0., 0., .1),
-    float d = rayMarch2(ro, rd);   
+    rd = normalize(vec3(uv, .7));       
-    vec3 p = ro + rd * d;
+    float d = rayMarch2(ro, rd),
-    float mat = map2(p).y;
+    mat = map2( ro + rd * d).y;
-    vec3 col = vec3(0., 0., .1);
     if (d < 10.) {
         if (mat == 0.) col = vec3( 0., .3, .6);
         if (mat == 1.) col = palette(1. - .4*d);                

shader_minified.h

@@ -10,13 +10,13 @@ const char *__temp_cleaned_shader_glsl =
  "const float y=22./7.;"
  "mat2 f(float v)"
  "{"
-   "float f=sin(v),m=cos(v);"
+   "float m=sin(v),y=cos(v);"
-   "return mat2(m,-f,f,m);"
+   "return mat2(y,-m,m,y);"
  "}"
- "float f(float v,float f,float m)"
+ "float f(float v,float y,float m)"
  "{"
-   "float y=max(m-abs(v-f),0.);"
+   "float c=max(m-abs(v-y),0.);"
-   "return max(v,f)+y*y*.25/m;"
+   "return max(v,y)+c*c*.25/m;"
  "}"
  "float n(vec2 v)"
  "{"
@@ -25,8 +25,8 @@ const char *__temp_cleaned_shader_glsl =
  "}"
  "float f(vec2 v,float y)"
  "{"
-   "vec2 m=floor(v),f=fract(v),c=f*f*(3.-2.*f);"
+   "vec2 m=floor(v),c=fract(v),f=c*c*(3.-2.*c);"
-   "return-y+y*mix(mix(n(m+vec2(0)),n(m+vec2(1,0)),c.x),mix(n(m+vec2(0,1)),n(m+vec2(1)),c.x),c.y);"
+   "return-y+y*mix(mix(n(m+vec2(0)),n(m+vec2(1,0)),f.x),mix(n(m+vec2(0,1)),n(m+vec2(1)),f.x),f.y);"
  "}"
  "float x(vec3 v)"
  "{"
@@ -36,10 +36,10 @@ const char *__temp_cleaned_shader_glsl =
  "{"
    "return length(v)-y;"
  "}"
- "float n(vec3 v,float f,float m)"
+ "float n(vec3 v,float y,float m)"
  "{"
-   "vec2 c=abs(vec2(length(v.xy),v.z))-vec2(m,f);"
+   "vec2 f=abs(vec2(length(v.xy),v.z))-vec2(m,y);"
-   "return min(max(c.x,c.y),0.)+length(max(c,0.));"
+   "return min(max(f.x,f.y),0.)+length(max(f,0.));"
  "}"
  "float x(vec3 v,vec3 y)"
  "{"
@@ -53,182 +53,178 @@ const char *__temp_cleaned_shader_glsl =
    "return max(m.z-y.y,max(m.x*.866025+v.y*.5,-v.y)-y.x*.5);"
  "}"
  "vec3 i=vec3(.4,.2,.4),c=vec3(.7,.4,.2),a=vec3(.2,.1,.3),k=vec3(.9,.5,.7),l=vec3(.8,.7,.5),p=vec3(.9,.3,0);"
- "float s(float v,float f,float x)"
+ "float s(vec3 v)"
  "{"
-   "f*=x;"
+   "v.y*=v.z;"
-   "float i=(m*x-f)/y;"
+   "return y*min((m*v.z-v.y)/y,v.x);"
-   "return y*min(i,v);"
  "}"
- "vec3 s(vec3 v)"
+ "vec3 h(vec3 v)"
  "{"
-   "for(float i=0.;i<7.;i++)"
+   "for(float y=0.;y<7.;y++)"
      "{"
-       "float y=9.+i*2.;"
+       "float c=9.+y*2.,x=1.;"
-       "if(m>y)"
+       "if(m>c)"
          "{"
-           "float c=1.;"
+           "if(mod(y,2.)>=1.)"
-           "if(mod(i,2.)>=1.)"
+             "x=-1.;"
-             "c=-1.;"
+           "v.xy*=f((9.+9.*clamp(sin(s(vec3(1.5,c,4))*.06),-.9,.9))*x);"
-           "v.xy*=f((9.+9.*clamp(sin(s(1.5,y,4.)*.06),-.9,.9))*c);"
          "}"
      "}"
    "return v;"
  "}"
- "float h(float v,float f)"
+ "float r(vec2 v)"
  "{"
-   "if(m>=f)"
+   "if(m>=v.y)"
-     "v+=.045*clamp(sin(s(3.,f,40.)*.4),-.8,.8);"
+     "v.x+=.045*clamp(sin(s(vec3(3,v.y,40))*.4),-.8,.8);"
-   "return v;"
+   "return v.x;"
  "}"
- "vec2 h(vec3 v)"
+ "vec2 e(vec3 v)"
  "{"
-   "float c=0.,i=y/12.,r=floor(atan(v.y,v.x)/i+.5)*i;"
+   "float c=0.,i=y/12.,z=floor(atan(v.y,v.x)/i+.5)*i;"
    "vec3 a=v;"
-   "a.xy=mat2(cos(r),-sin(r),sin(r),cos(r))*a.xy;"
+   "a.xy=mat2(cos(z),-sin(z),sin(z),cos(z))*a.xy;"
-   "float l=length(max(abs(a.xy-vec2(1.8,0))-vec2(.24,.14),0.))-.02,z=abs(length(v.xy)-1.8)-.2;"
+   "float e=length(max(abs(a.xy-vec2(1.8,0))-vec2(.24,.14),0.))-.02,l=abs(length(v.xy)-1.8)-.2;"
-   "l=min(l,z);"
+   "e=min(e,l);"
-   "z=abs(length(v.xy)-1.75)-.08;"
+   "l=abs(length(v.xy)-1.75)-.08;"
-   "z=f(z,abs(v.z-.1)-.04,.005);"
+   "l=f(l,abs(v.z-.1)-.04,.005);"
-   "l=max(-z,l);"
+   "e=max(-l,e);"
-   "l=f(l,abs(v.z)-.1,.02);"
+   "e=f(e,abs(v.z)-.1,.02);"
-   "for(float e=0.;e<8.;e++)"
+   "for(float d=0.;d<8.;d++)"
      "{"
        "i=24.67/(y*2.);"
        "a=v;"
-       "r=i+(e+1.)*y/4.;"
+       "z=i+(d+1.)*y/4.;"
-       "if(e==1.)"
+       "if(d==1.)"
-         "r+=.2;"
+         "z+=.2;"
-       "if(e==7.)"
+       "if(d==7.)"
-         "r-=.2;"
+         "z-=.2;"
-       "a.xy=f(r)*a.xy;"
+       "a.xy=f(z)*a.xy;"
-       "float p=9.+(e-1.)*2.+1.5;"
+       "float p=9.+(d-1.)*2.+1.5;"
-       "if(e>0.)"
+       "if(d>0.)"
          "{"
            "a.x-=1.95;"
-           "vec3 d=a;"
+           "vec3 g=a;"
            "if(m>p)"
-             "d.x=h(d.x,p);"
+             "g.x=r(vec2(g.x,p));"
            "float C=s(vec3(a.x-.06,a.yz),vec2(.1,.15))-.01;"
-           "z=max(-s(vec3(d.x-.14,d.yz),vec2(.22))-.01,s(vec3(d),vec2(.2,.12))-.02);"
+           "l=max(-s(vec3(g.x-.14,g.yz),vec2(.22))-.01,s(vec3(g),vec2(.2,.12))-.02);"
-           "z=min(z,C);"
+           "l=min(l,C);"
-           "l=min(l,z);"
+           "e=min(e,l);"
-           "if(l==z)"
+           "if(e==l)"
              "c=4.;"
-           "if(l==C&&m>p+.2)"
+           "if(e==C&&m>p+.2)"
              "c=5.;"
          "}"
      "}"
-   "vec3 d=s(v),e=d;"
+   "vec3 d=h(v),g=d;"
    "i=y/16.;"
-   "e.xy=f(floor(atan(d.y,d.x)/i+.5)*i)*e.xy;"
+   "g.xy=f(floor(atan(d.y,d.x)/i+.5)*i)*g.xy;"
-   "z=x(e.xyz-vec3(1.75,0,0),vec3(.04,.14,.05))-.02;"
+   "l=x(g.xyz-vec3(1.75,0,0),vec3(.04,.14,.05))-.02;"
-   "l=min(l,z);"
+   "e=min(e,l);"
-   "if(l==z)"
+   "if(e==l)"
      "c=4.;"
-   "z=1e3;"
+   "l=1e3;"
    "float p=1.5;"
    "for(int C=0;C<4;C++)"
      "{"
        "float k=x(vec3(v.x,v.y+p,v.z),vec3(2,.1,p))-.05;"
-       "z=min(z,k);"
        "l=min(l,k);"
+       "e=min(e,k);"
        "p+=.2;"
      "}"
-   "if(l==z)"
+   "if(e==l)"
      "c=2.;"
-   "z=v.y+4.25+1.5*f(vec2(v.x*.04,(v.z-40.)*.04)+1e2,15.);"
+   "l=v.y+4.25+1.5*f(vec2(v.x*.04,(v.z-40.)*.04)+1e2,15.);"
-   "l=min(l,z);"
+   "e=min(e,l);"
-   "if(l==z)"
+   "if(e==l)"
      "c=3.;"
-   "z=1e3;"
+   "l=1e3;"
-   "z=max(-n(v,2.,clamp(2.-m*2.+46.,0.,2.)),n(v,.025,1.6)+x(v)*clamp((m-24.)*.5,0.,.25));"
+   "l=max(-n(v,2.,clamp(2.-m*2.+46.,0.,2.)),n(v,.025,1.6)+x(v)*clamp((m-24.)*.5,0.,.25));"
-   "z=max(z,n(v,.3,1.6));"
+   "l=max(l,n(v,.3,1.6));"
-   "l=min(l,z);"
+   "e=min(e,l);"
-   "if(l==z)"
+   "if(e==l)"
      "c=1.;"
-   "return vec2(l,c);"
+   "return vec2(e,c);"
  "}"
- "float r(vec3 v,vec3 y)"
+ "float e(vec3 v,vec3 y)"
  "{"
-   "float i=0.,m;"
+   "float m,l=0.;"
-   "for(int f=0;f<90;f++)"
+   "for(int i=0;i<90;i++)"
      "{"
-       "vec3 l=v+y*i;"
+       "m=e(v+y*l).x;"
-       "m=h(l).x;"
+       "l+=m;"
-       "i+=m;"
+       "if(abs(m)<.002||l>4e2)"
-       "if(abs(m)<.002||i>4e2)"
          "break;"
      "}"
-   "return i;"
+   "return l;"
- "}"
- "vec3 r(vec3 v)"
- "{"
-   "float m=h(v).x;"
-   "vec2 y=vec2(.01,0);"
-   "vec3 l=m-vec3(h(v-y.xyy).x,h(v-y.yxy).x,h(v-y.yyx));"
-   "return normalize(l);"
- "}"
- "float h(vec3 v,vec3 m,float y)"
- "{"
-   "vec3 f=normalize(m-v),l=r(v);"
-   "float c=clamp(dot(l,f),0.,1.),z=r(v+l*.0025,f);"
-   "if(abs(z)<length(m-v))"
-     "c*=y;"
-   "return c;"
- "}"
- "vec3 r(vec2 v,vec3 y,vec3 m)"
- "{"
-   "vec3 f=normalize(m-y),z=normalize(cross(vec3(0,1,0),f));"
-   "return normalize(f*2.+v.x*z+v.y*cross(f,z));"
- "}"
- "vec3 e(vec3 f)"
- "{"
-   "f*=smoothstep(.9,.5,length(gl_FragCoord.xy/v.xy-vec2(.5)));"
-   "f*=vec3(.9,.8,.7);"
-   "f=pow(f,vec3(.4545));"
-   "return smoothstep(0.,1.,f);"
- "}"
- "vec3 e()"
- "{"
-   "vec3 v=vec3(0,clamp(6.-m,2.,6.),clamp(75.-m*8.,6.,75.));"
-   "if(m>7.5)"
-     "v+=vec3(0,clamp(7.5-m,-1.,0.),0);"
-   "if(m>10.5)"
-     "v=vec3(2,-1,1);"
-   "if(m>12.)"
-     "v=vec3(-1,-1,4);"
-   "return v;"
- "}"
- "vec3 f()"
- "{"
-   "vec3 v=vec3(0,-.5,0);"
-   "if(m>10.5)"
-     "v=vec3(1.7,-1.1,0);"
-   "if(m>12.)"
-     "v=vec3(0,.1,0);"
-   "return v;"
  "}"
  "vec3 t(vec3 v)"
+ "{"
+   "vec2 m=vec2(.01,0);"
+   "vec3 y=e(v).x-vec3(e(v-m.xyy).x,e(v-m.yxy).x,e(v-m.yyx));"
+   "return normalize(y);"
+ "}"
+ "float e(vec3 v,vec3 m,float y)"
+ "{"
+   "vec3 l=normalize(m-v),c=t(v);"
+   "float i=clamp(dot(c,l),0.,1.),f=e(v+c*.0025,l);"
+   "if(abs(f)<length(m-v))"
+     "i*=y;"
+   "return i;"
+ "}"
+ "vec3 h(vec2 v,vec3 y,vec3 m)"
+ "{"
+   "vec3 l=normalize(m-y),c=normalize(cross(vec3(0,1,0),l));"
+   "return normalize(l*2.+v.x*c+v.y*cross(l,c));"
+ "}"
+ "vec3 d(vec3 m)"
+ "{"
+   "m*=smoothstep(.9,.5,length(gl_FragCoord.xy/v.xy-vec2(.5)));"
+   "m*=vec3(.9,.8,.7);"
+   "m=pow(m,vec3(.4545));"
+   "return smoothstep(0.,1.,m);"
+ "}"
+ "vec3 d()"
+ "{"
+   "vec3 y=vec3(0,clamp(6.-m,2.,6.),clamp(75.-m*8.,6.,75.));"
+   "if(m>7.5)"
+     "y+=vec3(0,clamp(7.5-m,-1.,0.),0);"
+   "if(m>10.5)"
+     "y=vec3(2,-1,1);"
+   "if(m>12.)"
+     "y=vec3(-1,-1,4);"
+   "return y;"
+ "}"
+ "vec3 e()"
+ "{"
+   "vec3 y=vec3(0,-.5,0);"
+   "if(m>10.5)"
+     "y=vec3(1.7,-1.1,0);"
+   "if(m>12.)"
+     "y=vec3(0,.1,0);"
+   "return y;"
+ "}"
+ "vec3 w(vec3 v)"
  "{"
    "if(m>10.75)"
      "{"
-       "float f=smoothstep(-1.,.8,sin(s(.8,10.75,8.)*2.));"
+       "float y=smoothstep(-1.,.8,sin(s(vec3(.8,10.75,8))*2.));"
-       "v=mix(v,f*1.4*p,f*.76);"
+       "v=mix(v,y*1.4*p,y*.76);"
      "}"
    "return v;"
  "}"
- "vec3 d(vec2 v)"
+ "vec3 g(vec2 v)"
  "{"
-   "vec3 m=e(),y=r(v,m,f()),z=vec3(0);"
+   "vec3 m=d(),y=h(v,m,e()),z=vec3(0);"
-   "float d=r(m,y);"
+   "float x=e(m,y);"
-   "if(d<150.)"
+   "if(x<150.)"
      "{"
-       "vec3 x=m+y*d;"
+       "vec3 g=m+y*x;"
-       "float C=h(x).y,n=h(x,vec3(10,15,25),.2);"
+       "float C=e(g).y,r=e(g,vec3(10,15,25),.2);"
-       "z+=n*k;"
+       "z+=r*k;"
-       "n=h(x,vec3(4,2,-15),1.);"
+       "r=e(g,vec3(4,2,-15),1.);"
-       "z+=n*l;"
+       "z+=r*l;"
-       "z+=a*clamp(dot(r(x),normalize(vec3(0,1,10))),0.,1.);"
+       "z+=a*clamp(dot(t(g),normalize(vec3(0,1,10))),0.,1.);"
        "if(C==0.)"
          "z*=vec3(.3);"
        "else if(C==1.)"
@@ -236,82 +232,80 @@ const char *__temp_cleaned_shader_glsl =
        "else if(C==2.)"
          "z*=vec3(.3,.1,0);"
        "else if(C==3.)"
-         "z*=vec3(.8,.8,.5)+f(x.xz*5e2+1e2,.3);"
+         "z*=vec3(.8,.8,.5)+f(g.xz*5e2+1e2,.3);"
        "else if(C==4.)"
          "z*=vec3(.1);"
        "else if(C==5.)"
          "z*=p;"
      "}"
-   "z=mix(z,mix(i,c,pow(max(dot(y,vec3(0,-.1,-1)),0.),8.)),1.-exp(-d*.01));"
+   "z=mix(z,mix(i,c,pow(max(dot(y,vec3(0,-.1,-1)),0.),8.)),1.-exp(-x*.01));"
-   "z=t(z);"
+   "z=w(z);"
-   "return e(z);"
+   "return d(z);"
  "}"
- "void w(inout float v)"
+ "void u(inout float v)"
  "{"
    "v=mod(v+.5,1.)-.5;"
  "}"
- "void d(inout vec3 v,float l,float i,float z)"
+ "void d(inout vec3 v,float e,float l,float z)"
  "{"
    "v.z-=.5;"
-   "v.xy*=f(sin(i*m*.25)*y);"
+   "v.xy*=f(sin(l*m*.25)*y);"
-   "v.x-=z*sin(l/y);"
+   "v.x-=z*sin(e/y);"
-   "v.y-=z*cos(l/y);"
+   "v.y-=z*cos(e/y);"
-   "v.z+=l*.01;"
+   "v.z+=e*.01;"
  "}"
  "vec2 C(vec3 v)"
  "{"
-   "float m=1e3,z;"
+   "float m=1e3,y;"
-   "w(v.z);"
+   "u(v.z);"
-   "for(float f=0.;f<90.;f++)"
+   "for(float l=0.;l<90.;l++)"
      "{"
-       "vec3 l=v;"
+       "vec3 e=v;"
-       "d(l,f,-1.,3.);"
+       "d(e,l,-1.,3.);"
-       "float i=n(l,.05);"
+       "float f=n(e,.05);"
-       "m=min(m,i);"
+       "m=min(m,f);"
-       "if(m==i)"
+       "if(m==f)"
-         "z=0.;"
+         "y=0.;"
-       "l=v;"
+       "e=v;"
-       "d(l,f,1.,.3);"
+       "d(e,l,1.,.3);"
-       "i=n(l,.01);"
+       "f=n(e,.01);"
-       "m=min(m,i);"
+       "m=min(m,f);"
-       "if(m==i)"
+       "if(m==f)"
-         "z=1.;"
+         "y=1.;"
      "}"
-   "return vec2(m,z);"
+   "return vec2(m,y);"
  "}"
  "float C(vec3 v,vec3 y)"
  "{"
-   "float i=0.,m;"
+   "float m=0.,f;"
-   "for(int f=0;f<60;f++)"
+   "for(int i=0;i<60;i++)"
      "{"
-       "vec3 l=v+y*i;"
+       "f=C(v+y*m).x;"
-       "m=C(l).x;"
+       "m+=f;"
-       "i+=m;"
+       "if(f<.002||m>20.)"
-       "if(m<.002||i>20.)"
          "break;"
      "}"
-   "return i;"
+   "return m;"
  "}"
- "vec3 g(vec2 v)"
+ "vec3 E(vec2 v)"
  "{"
-   "vec3 l=vec3(0,0,m*2.),z=normalize(vec3(v,.7));"
+   "vec3 y=vec3(0,0,m*2.),l=vec3(0,0,.1),c=normalize(vec3(v,.7));"
-   "float f=C(l,z),c=C(l+z*f).y;"
+   "float e=C(y,c),f=C(y+c*e).y;"
-   "vec3 y=vec3(0,0,.1);"
+   "if(e<10.)"
-   "if(f<10.)"
      "{"
-       "if(c==0.)"
+       "if(f==0.)"
-         "y=vec3(0,.3,.6);"
+         "l=vec3(0,.3,.6);"
-       "if(c==1.)"
+       "if(f==1.)"
-         "y=vec3(.5)+vec3(1)*cos(6.3*(vec3(1)*(1.-.4*f)+vec3(0,.66,.33)));"
+         "l=vec3(.5)+vec3(1)*cos(6.3*(vec3(1)*(1.-.4*e)+vec3(0,.66,.33)));"
      "}"
-   "return y;"
+   "return l;"
  "}"
  "void main()"
  "{"
-   "vec2 l=(gl_FragCoord.xy*2.-v.xy)/v.y;"
+   "vec2 y=(gl_FragCoord.xy*2.-v.xy)/v.y;"
    "gl_FragColor=m<29.?"
-     "vec4(d(l),1):"
+     "vec4(g(y),1):"
-     "vec4(g(l),1);"
+     "vec4(E(y),1);"
  "}";
 
 #endif // SHADER_MINIFIED_H_