Merge branch 'teemun_uusi_efekti' of https://gitea.xn--jrvisalo-0za.fi/markus/4k_synthwave into teemun_uusi_efekti

src/main.cpp

@@ -127,6 +127,42 @@ int __cdecl main(int argc, char* argv[])
 	static float fft_output[FFT_SIZE / 2]; // Magnitudes
 	static float fft_uniform[FFT_SIZE / 4];
 	
+	// main note effect
+	boolean beenPlaying = false;
+	const int SHAPES_SIZE = 15;
+	float shapeIncrement = 0.02f;
+
+	/**
+	* Definition of shape with 3 parameters in a vec3
+	*
+	* h position, v position, length
+	*
+	*/
+	float vec3ShapeArray[5][3] = {
+		{ 0.0f, 0.0f, 0.0f },
+		{ 0.0f, 0.0f, 0.0f },
+		{ 0.0f, 0.0f, 0.0f },
+		{ 0.0f, 0.0f, 0.0f },
+		{ 0.0f, 0.0f, 0.0f }
+		};
+
+	float test[3] = { 0.0f, 0.1f, 0.0f }; // test float of one shape
+
+	int currentShape = 0; // mark location which shape we are currently building
+	
+	boolean isPlaying = false;
+
+	float lastPlayPos = 0;
+	float lastNote = 0.0f;
+
+	/*GLfloat shapes[5][3] = {
+	{ 0.0f, 0.0f, 0.0f },
+	{ 0.0f, 0.0f, 0.0f },
+	{ 0.0f, 0.0f, 0.0f },
+	{ 0.0f, 0.0f, 0.0f },
+	{ 0.0f, 0.0f, 0.0f }
+	};*/
+
 	do
 	{
 		direct_sound_buffer->GetCurrentPosition((DWORD*)&playCursor, NULL);
@@ -202,6 +238,68 @@ int __cdecl main(int argc, char* argv[])
 			syncs[i + 1] = syncBuf[(playCursor / (2 * sizeof(SUsample)) >> 8) * SU_NUMSYNCS + i];
 		}
 
+		//////////////////////////////////////////////////////
+		// Shape builder
+		//////////////////////////////////////////////////////
+
+		// if sound is playing, start a shape, if shape is already started - add length
+		// if sound has stopped, end shape
+		// if shape is finished, move shape forward
+
+		float captureSync = syncs[5];
+
+		if (captureSync >= 0.001f) {
+			isPlaying = true;
+		}
+
+		if (isPlaying) {
+			vec3ShapeArray[currentShape][1] = captureSync;
+			vec3ShapeArray[currentShape][2] = vec3ShapeArray[currentShape][2] + shapeIncrement;
+
+			test[0] = captureSync; // y position
+			test[1] = test[1] + shapeIncrement; // x position
+			test[2] = 0.3f; // length
+		}
+
+
+		// when note changes -- reset
+		if (lastNote != captureSync) {
+			test[1] = 0.1f;
+			test[2] = 0.0f;
+			lastNote = captureSync;
+		}
+
+		// shape mover, if the shape isnt the current one - move it
+		for (int i = 0; i < SHAPES_SIZE; ++i) {
+			if (i != currentShape) {
+				vec3ShapeArray[i][0] = vec3ShapeArray[i][0] + shapeIncrement;
+			}
+		}
+
+		beenPlaying = isPlaying;
+
+		// go through the array and start from the first when all shapes have been used
+		if (beenPlaying) {
+			if (currentShape <= SHAPES_SIZE) {
+				++currentShape;
+			}
+			else {
+				currentShape = 0;
+			}
+		}
+
+		float flatShapes[15] = {
+			vec3ShapeArray[0][0], vec3ShapeArray[0][1], vec3ShapeArray[0][2],
+			vec3ShapeArray[1][0], vec3ShapeArray[1][1], vec3ShapeArray[1][2],
+			vec3ShapeArray[2][0], vec3ShapeArray[2][1], vec3ShapeArray[2][2],
+			vec3ShapeArray[3][0], vec3ShapeArray[3][1], vec3ShapeArray[3][2],
+			vec3ShapeArray[4][0], vec3ShapeArray[4][1], vec3ShapeArray[4][2]
+		};
+
+		PFNGLUNIFORM3FVPROC glUniform3fvProc = ((PFNGLUNIFORM3FVPROC)wglGetProcAddress("glUniform3fv"));
+		glUniform3fvProc(10, 3, flatShapes); // array of shapes
+		glUniform3fvProc(40, 1, test); // test shape
+
         PFNGLUNIFORM1FVPROC glUniform1fvProc = ((PFNGLUNIFORM1FVPROC)wglGetProcAddress("glUniform1fv"));
 		glUniform1fvProc(0, SU_NUMSYNCS + 1, syncs);
 		glUniform1fvProc(8, FFT_SIZE / 4, fft_uniform);

src/shaders/fragment.frag

@@ -6,6 +6,8 @@ const float TAU = (2. * PI);
 const float PHI = sqrt(5.) * 0.5 + 0.5;
 layout(location = 0) uniform float syncs[7];
 layout(location = 8) uniform float fft_output[512]; // FFT_SIZE / 4
+layout(location = 600) uniform vec3 shapes[15]; // shapes - x = horizontal position, y = vertical position, z = length
+layout(location = 700) uniform vec3 test; // shapes test
 float u_time = syncs[0];
 
 vec2 getUV() {
@@ -13,31 +15,10 @@ vec2 getUV() {
     return gl_FragCoord.xy * scale - 1.0;
 }
 
-mat2 rot2D(float angle) {
-    float s = sin(angle);
-    float c = cos(angle);
-    return mat2(c, -s, s, c);
-}
-
 float noise(in vec2 xy, in float seed) {
     return fract(tan(distance(xy * PHI, xy) * seed) * xy.x);
 }
 
-float getScaledFFT(int index, float scale, float offset) {
-    // Clamp index to valid range
-    index = clamp(index, 0, 511);
-
-    // Get raw FFT value
-    float raw = fft_output[index];
-
-    // Apply logarithmic scaling: log(1 + value * scale) + offset
-    return log(1.0 + raw * scale) + offset;
-}
-
-/////////////////
-//   GEOMETRY  //
-/////////////////
-
 // Hexagonal prism, circumcircle variant
 float fHexagonCircumcircle(vec3 p, vec2 h) {
     vec3 q = abs(p);
@@ -51,27 +32,24 @@ float sdHex(vec3 pos, float i, float angle) {
     return d1;
 }
 
+float getScaledFFT(int index, float scale, float offset) {
+    // Clamp index to valid range
+    index = clamp(index, 0, 511);
+
+    // Get raw FFT value
+    float raw = fft_output[index];
+
+    // Apply logarithmic scaling: log(1 + value * scale) + offset
+    return log(1.0 + raw * scale) + offset;
+}
+
 float sdSphere(vec3 p, float r){
     return length(p) -r;
 }
 
-//////////////
+// Modify your mapScene function
-//   SCENE  //
-//////////////
-
-// instructions -> opU( { float to union with }  , vec2( {put shape here}, {put material here} ) )
-vec2 opU( vec2 d1, vec2 d2 )
-{
-	return (d1.x<d2.x) ? d1 : d2;
-}
-
-float opU( float d1, float d2 ) { return -max( -d1, -d2 ); }
-
 vec2 mapScene(in vec3 p) {
-
+    float mat = 0.;
-    vec2 res = vec2( p.y, 0.0 );
-
-    float mat = 1.;
     float d = 1e9;
     float a = 0.;
 
@@ -82,9 +60,9 @@ vec2 mapScene(in vec3 p) {
 
     // Hexagonal grid
     float hexGap = 0.2;
-
+    /*
     for(float j = 0.; j < 16.; j++) {
-        vec3 po = p-vec3(-2.0,-5., 0.0);
+        vec3 po = p;
         po += vec3((1.6 + hexGap) * 8, -5., -(1.88 + hexGap) * 10);
         po += vec3(0, 0., (1.88 + hexGap) * j);
 
@@ -106,25 +84,25 @@ vec2 mapScene(in vec3 p) {
             //float hexSize = fft_output[hexDist] * 5.0;
             float hexSize = getScaledFFT(hexDist, 15.0, 0.0) * 2.0; // Adjusted multiplier
             a = sdHex(po, 1. + hexSize, 0.);
-            //d = min(d, a);
+            d = min(d, a);
-            res = opU(res, vec2(a, 2.));
+
+            if(d == a) {
+                mat = 1.;
+            }
         }
     }
+    */
 
+    // main note effect shapes
+    a = sdSphere(vec3(p.x + test.y, p.y + test.x, p.z), test.z + 2.);
+    d = min(d, a);
+    if (d == a) {
+        mat = 1.;
+    }
 
-
+    return vec2(d, mat);
-    res = opU( res, vec2( sdSphere(p-vec3(-2.0,4., 0.0), 2. ), 1.));
-
-
-
-
-    return res;
 }
 
-////////////////
-//   RAYCAST  //
-////////////////
-
 vec3 castRay(vec3 ro, vec3 rd, inout vec3 pos) {
     float t = 0.;
     float mat = 0.;
@@ -150,10 +128,6 @@ vec3 castRay(vec3 ro, vec3 rd, inout vec3 pos) {
     return vec3(t, mat, hit);
 }
 
-////////////////
-//   SHADING  //
-////////////////
-
 float softshadow(in vec3 ro, in vec3 rd, float mint, float maxt, float w) {
     float res = 1.0;
     float t = mint;
@@ -228,6 +202,18 @@ vec3 addPointLight(vec3 lightPos, vec3 lightColor, float intensity, vec3 worldPo
 }
 */
 
+float getAmbientOcc(vec3 p, vec3 n) {
+    float occ = 0.;
+    float weight = 1.;
+    for(int i = 0; i < 8; i++) {
+        float len = 0.01 + 0.02 * float(i * i);
+        float dist = mapScene(p + n * len).x;
+        occ += (len - dist) * weight;
+        weight *= 0.85;
+    }
+    return 1.0 - clamp(0.6 * occ, 0., 1.);
+}
+
 vec3 shading(vec3 v, vec3 n, vec3 dir, float material) {
     float shininess = 0.01;
 
@@ -254,11 +240,9 @@ vec3 shading(vec3 v, vec3 n, vec3 dir, float material) {
     }
 
     vec3 lights = vec3(0.);
-    lights += addPointLight(vec3(0., 40.0, -10.), vec3(0.77, 0.26, 0.73), 3.0, v, dir, n, shininess);
+    lights += addPointLight(vec3(-10., 10.0, 0.), vec3(0.77, 0.26, 0.73), 3.0, v, dir, n, shininess);
-    lights += addPointLight(vec3(0., 2.0, -5.0), vec3(0.08, 0.62, 0.75), 3.0, v, dir, n, shininess);
+    lights += addPointLight(vec3(0., 10.0, -5.0), vec3(0.08, 0.62, 0.75), 3.0, v, dir, n, shininess);
-    //lights += addPointLight(vec3(0., 25.0, 0.0), vec3(0.5137, 0.1961, 0.7725), 3.0, v, dir, n, shininess);
+    lights += addPointLight(vec3(0., 25.0, 0.0), vec3(0.5137, 0.1961, 0.7725), 3.0, v, dir, n, shininess);
-
-    lights += addPointLight(vec3(0., 20.0, 15.), vec3(0.77, 0.26, 0.73), 3.0, v, dir, n, shininess);
 
     vec3 lightDir = vec3(0., 1., -3);
     //float sun_dif = clamp(dot(n, lightDir), 0., 1.);
@@ -302,31 +286,63 @@ vec3 postProcess(vec3 col) {
     return col;
 }
 
-//////////////////
+vec3 getCameraRay(vec2 uv, vec3 camPos, vec3 camTarget, float fov) {
-//   RENDERING  //
+    // Calculate camera's orthonormal basis
-//////////////////
+    vec3 camForward = normalize(camTarget - camPos);
+    vec3 camRight = normalize(cross(vec3(0.0, 1.0, 0.0), camForward));
+    vec3 camUp = normalize(cross(camForward, camRight));
 
-vec3 getCameraRayDir(vec2 uv, vec3 camPos, vec3 camTarget, float fov)
+    vec3 rayDir = normalize(uv.x * camRight + uv.y * camUp + camForward * fov);
-{
+
-    vec3 f = normalize(camTarget-camPos),
+    return rayDir;
-        r = normalize(cross(vec3(0,1,0), f)),
-        u = cross(f,r),
-        c = f*fov,
-        i = c + uv.x*r + uv.y*u,
-        d = normalize(i);
-    return d;
 }
 
-vec3 render(vec2 uv) {
+// Camera positioning function
+vec3 getCameraPosition(float time, int cameraMode) {
+    vec3 camPos;
+    camPos = vec3(0.0, 30.0, -10.0);
 
-    vec3 camPos = vec3(0.0, 20.0, -10.0);
+    if(cameraMode == 1) {
+        // Orbiting camera
+        vec3 camTarget = vec3(0.0, 0.0, -20.0);
+        float orbitRadius = 20.0;
+        float orbitSpeed = 0.2;
+        float orbitHeight = 10.0;
+        float angle = time * orbitSpeed;
+        camPos = camTarget + vec3(cos(angle) * orbitRadius, orbitHeight + sin(time * 0.8) * 2.0, sin(angle) * orbitRadius);
+    } else if(cameraMode == 2) {
+        // Smooth camera movement
+        float t = time * 0.06;
+        camPos = vec3(sin(t) * 15.0, 30.0 + cos(t * 0.5) * 5.0, cos(t) * 15.0);
+    } else if(cameraMode == 3) {
+        // First person style movement
+        float walkSpeed = 2.0;
+        camPos = vec3(sin(time * walkSpeed) * 0.1, 8.0 + sin(time * walkSpeed * 2.0) * 0.05, time * 0.5);
+    }
+
+    return camPos;
+}
+
+// Main camera function that combines everything
+vec3 setupCamera(vec2 uv, float time, int positionMode) {
+    vec3 camPos = getCameraPosition(time, positionMode);
     vec3 camTarget = vec3(0.0, -1.0, 10.0); // Adjust target as needed
-    float fov = 1.0;
+    float fov = 1.;
 
-    vec3 rayDir = getCameraRayDir(uv, camPos, camTarget, fov);
+    return getCameraRay(uv, camPos, camTarget, fov);
+}
 
-    vec3 col = vec3(0.); // background color
+// Simplified version of your render function using the new camera system
+vec3 render(vec2 uv) {
+    // Choose camera modes:
+    // Position: 0=static, 1=orbit, 2=smooth, 3=walk
+    // Ray: 0=standard, 1=zoom, 2=dof
+    int positionMode = 2; // Static
 
+    vec3 rayDir = setupCamera(uv, u_time, positionMode);
+    vec3 camPos = getCameraPosition(u_time, positionMode);
+
+    vec3 col = vec3(0.102, 0.2431, 0.3412);
     vec3 hitPos = vec3(0);
     vec3 t = castRay(camPos, rayDir, hitPos);
 
@@ -339,7 +355,11 @@ vec3 render(vec2 uv) {
 }
 
 void main() {
+
     vec3 finalColor = render(getUV());
+
     //finalColor = postProcess(finalColor);
+
     o = vec4(finalColor, 1.);
+
 }

src/shaders/fragment.inl

@@ -1,158 +1,132 @@
 // Generated with Shader Minifier 1.5.1 (https://github.com/laurentlb/Shader_Minifier/)
 #ifndef FRAGMENT_INL_
 # define FRAGMENT_INL_
-# define VAR_fft_output "n"
+# define VAR_fft_output "f"
-# define VAR_o "f"
+# define VAR_o "i"
+# define VAR_shapes "C"
 # define VAR_syncs "m"
+# define VAR_test "k"
 
 const char *fragment_frag =
  "#version 460\n"
  "precision mediump float;"
- "out vec4 f;"
+ "out vec4 i;"
- "const float i=2.*acos(-1.),v=sqrt(5.)*.5+.5;"
+ "const float n=2.*acos(-1.),v=sqrt(5.)*.5+.5;"
  "layout(location=0)uniform float m[7];"
- "layout(location=8)uniform float n[512];"
+ "layout(location=8)uniform float f[512];"
+ "layout(location=600)uniform vec3 C[15];"
+ "layout(location=700)uniform vec3 k;"
  "float l=m[0];"
- "float t(int v)"
- "{"
-   "v=clamp(v,0,511);"
-   "float i=n[v];"
-   "return log(1.+i*15.);"
- "}"
- "float t(vec3 v,vec2 i)"
- "{"
-   "v=abs(v);"
-   "return max(v.y-i.y,max(v.x*sqrt(3.)*.5+v.z*.5,v.z)-i.x);"
- "}"
- "vec2 t(vec2 v,vec2 i)"
- "{"
-   "return v.x<i.x?"
-     "v:"
-     "i;"
- "}"
- "float t(float v,float i)"
- "{"
-   "return-max(-v,-i);"
- "}"
  "vec2 t(vec3 v)"
  "{"
-   "vec2 f=vec2(v.y,0);"
+   "float n=0.,i=1e9,m=length(vec3(v.x+k.y,v.y+k.x,v.z))-k.z-2.;"
-   "float i=0.;"
+   "i=min(i,m);"
-   "vec2 m=vec2(7);"
+   "if(i==m)"
-   "for(float r=0.;r<16.;r++)"
+     "n=1.;"
-     "{"
+   "return vec2(i,n);"
-       "vec3 l=v-vec3(-2,-5,0)+vec3(1.8*8,-5,-2.08*10)+vec3(0,0,2.08*r);"
-       "for(float v=0.;v<16.;v++)"
-         "{"
-           "l=mod(v,2.)==0.?"
-             "l-vec3(1.8,0,1):"
-             "l+vec3(-1.8,0,1);"
-           "int y=int(length(vec2(v,r)-m.xy));"
-           "i=t(l,vec2(.86,1.+t(y)*2.));"
-           "f=t(f,vec2(i,2));"
-         "}"
-     "}"
-   "return t(f,vec2(length(v-vec3(-2,4,0))-2.,1));"
  "}"
- "vec3 t(vec3 v,vec3 i,inout vec3 f)"
+ "vec3 t(vec3 v,vec3 i,inout vec3 n)"
  "{"
-   "float r=0.,l=0.,y=0.;"
+   "float f=0.,r=0.,m=0.;"
-   "for(int m=0;m<30;m++)"
+   "for(int e=0;e<30;e++)"
      "{"
-       "f=v+i*r;"
+       "n=v+i*f;"
-       "vec2 n=t(f);"
+       "vec2 l=t(n);"
-       "r+=n.x;"
+       "f+=l.x;"
-       "l=n.y;"
+       "r=l.y;"
-       "if(r>1e2)"
+       "if(f>1e2)"
          "break;"
-       "if(n.x<.001*r)"
+       "if(l.x<.001*f)"
          "{"
-           "y=1.;"
+           "m=1.;"
            "break;"
          "}"
      "}"
-   "if(r>1e2)"
+   "if(f>1e2)"
-     "r=0.;"
+     "f=0.;"
-   "return vec3(r,l,y);"
+   "return vec3(f,r,m);"
  "}"
- "float t(vec3 v,vec3 i,float f)"
+ "float t(vec3 v,vec3 f,float n)"
  "{"
-   "float r=1.,l=.02;"
+   "float i=1.,m=.02;"
-   "for(int m=0;m<6;m++)"
+   "for(int e=0;e<6;e++)"
      "{"
-       "if(l>f)"
+       "if(m>n)"
          "break;"
-       "float n=t(v+l*i).x;"
+       "float l=t(v+m*f).x;"
-       "r=min(r,n/(4.*l));"
+       "i=min(i,l/(4.*m));"
-       "l+=clamp(n,.1,.8);"
+       "m+=clamp(l,.1,.8);"
-       "if(r<-1.)"
+       "if(i<-1.)"
          "break;"
      "}"
-   "r=max(r,-1.);"
+   "i=max(i,-1.);"
-   "return.25*(1.+r)*(1.+r)*(2.-r);"
+   "return.25*(1.+i)*(1.+i)*(2.-i);"
  "}"
- "vec3 x(vec3 v)"
+ "vec3 e(vec3 v)"
  "{"
    "vec2 i=vec2(.01,0);"
-   "v=vec3(t(v+i.xyy).x-t(v-i.xyy).x,t(v+i.yxy).x-t(v-i.yxy).x,t(v+i.yyx).x-t(v-i.yyx).x);"
+   "return normalize(vec3(t(v+i.xyy).x-t(v-i.xyy).x,t(v+i.yxy).x-t(v-i.yxy).x,t(v+i.yyx).x-t(v-i.yyx).x));"
-   "return normalize(v);"
  "}"
- "vec3 t(vec3 v,vec3 i,vec3 f,vec3 r,vec3 l,float y)"
+ "vec3 e(vec3 v,vec3 i,vec3 l,vec3 f,vec3 m,float n)"
  "{"
-   "v-=f;"
+   "v-=l;"
-   "float m=length(v);"
+   "float e=length(v);"
    "v=normalize(v);"
-   "float n=3./(1.+.09*m+.032*m*m),c=max(dot(l,v),0.);"
+   "float y=3./(1.+.09*e+.032*e*e),r=max(dot(m,v),0.);"
-   "r=normalize(v-r);"
+   "f=normalize(v-f);"
-   "vec3 e=vec3(.04);"
+   "vec3 x=vec3(.04);"
-   "e+=(1.-e)*pow(clamp(1.-max(dot(r,v),0.),0.,1.),5.);"
+   "x+=(1.-x)*pow(clamp(1.-max(dot(f,v),0.),0.,1.),5.);"
-   "m=t(f+l*.01,v,m);"
+   "e=t(l+m*.01,v,e);"
-   "return(i*c*n+i*pow(max(dot(l,r),0.),mix(128.,8.,y))*n*e)*m;"
+   "return(i*r*y+i*pow(max(dot(m,f),0.),mix(128.,8.,n))*y*x)*e;"
  "}"
- "vec3 t(vec3 v,vec3 i,vec3 f,float r)"
+ "vec3 e(vec3 v,vec3 i,vec3 f,float n)"
  "{"
    "float m=.01;"
    "vec3 l=vec3(0);"
-   "if(r==0.)"
+   "if(n==0.)"
      "l=vec3(.8314,.2941,.2941),m=.1;"
-   "else if(r==1.)"
+   "else if(n==1.)"
      "l=vec3(.6196,.6118,.6118),m=.7;"
-   "else if(r==2.)"
+   "else if(n==2.)"
      "l=vec3(.3255,.4784,.3255),m=.2;"
-   "else if(r==3.)"
+   "else if(n==3.)"
      "l=vec3(.2471,.3059,.6314),m=1.;"
-   "else if(r==4.)"
+   "else if(n==4.)"
      "l=vec3(.9961,1,.9922),m=.1;"
-   "else if(r==5.)"
+   "else if(n==5.)"
      "l=vec3(.9961,1,.9922),m=.3;"
-   "vec3 y=vec3(0);"
+   "v=vec3(0)+e(vec3(-10,10,0),vec3(.77,.26,.73),v,f,i,m)+e(vec3(0,10,-5),vec3(.08,.62,.75),v,f,i,m)+e(vec3(0,25,0),vec3(.5137,.1961,.7725),v,f,i,m)+vec3(.08,.62,.75)*clamp(dot(i,normalize(vec3(0,1,-3)*vec3(0,-1,-2))),0.,1.)*.8;"
-   "y+=t(vec3(0,40,-10),vec3(.77,.26,.73),v,f,i,m);"
+   "return l*max(vec3(0),v);"
-   "y+=t(vec3(0,2,-5),vec3(.08,.62,.75),v,f,i,m);"
-   "y+=t(vec3(0,20,15),vec3(.77,.26,.73),v,f,i,m);"
-   "y+=vec3(.08,.62,.75)*clamp(dot(i,normalize(vec3(0,1,-3)*vec3(0,-1,-2))),0.,1.)*.8;"
-   "return l*max(vec3(0),y);"
  "}"
- "vec3 t(vec2 i,vec3 v)"
+ "vec3 e(vec2 v,vec3 i)"
  "{"
-   "v=normalize(vec3(0,-1,10)-v);"
+   "i=normalize(vec3(0,-1,10)-i);"
-   "vec3 m=normalize(cross(vec3(0,1,0),v));"
+   "vec3 m=normalize(cross(vec3(0,1,0),i));"
-   "return normalize(v+i.x*m+i.y*cross(v,m));"
+   "return normalize(v.x*m+v.y*normalize(cross(i,m))+i);"
  "}"
- "vec3 t(vec2 v)"
+ "vec3 e()"
  "{"
-   "vec3 i=vec3(0,20,-10),m=t(v,i),f=vec3(0),r=vec3(0);"
+   "vec3 i;"
-   "i=t(i,m,r);"
+   "{"
-   "if(i.x>0.)"
+     "float v=l*.06;"
+     "i=vec3(sin(v)*15.,30.+cos(v*.5)*5.,cos(v)*15.);"
+   "}"
+   "return i;"
+ "}"
+ "vec3 e(vec2 v)"
+ "{"
+   "vec3 i=e(v,e()),m=vec3(.102,.2431,.3412),n=vec3(0),l=t(e(),i,n);"
+   "if(l.x>0.)"
      "{"
-       "vec3 v=x(r);"
+       "vec3 v=e(n);"
-       "f=t(r,v,m,i.y);"
+       "m=e(n,v,i,l.y);"
      "}"
-   "return f;"
+   "return m;"
  "}"
  "void main()"
  "{"
-   "vec3 v=t(gl_FragCoord.xy*vec2(.00104166667,.00185185185)-1.);"
+   "vec3 v=e(gl_FragCoord.xy*vec2(.00104166667,.00185185185)-1.);"
-   "f=vec4(v,1);"
+   "i=vec4(v,1);"
  "}";
 
 #endif // FRAGMENT_INL_