From ad8abed4d2b2410488ea23f94be8f1b96717c7c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20J=C3=A4rvisalo?= <markus.jarvisalo@gmail.com>
Date: Fri, 1 Aug 2025 16:53:39 +0300
Subject: [PATCH] Final v1

---
 src/shaders/fragment.frag | 48 ++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 23 deletions(-)

diff --git a/src/shaders/fragment.frag b/src/shaders/fragment.frag
index 0b6140a..f26fd5e 100644
--- a/src/shaders/fragment.frag
+++ b/src/shaders/fragment.frag
@@ -5,7 +5,7 @@ float PHI = sqrt(5.) * 0.5 + 0.5;
 layout(location = 0) uniform float syncs[11];
 layout(location = 20) uniform float fft_output[512]; // FFT_SIZE / 4
 float u_time = syncs[0];
-float u_time = syncs[0];
+//float u_time = syncs[0];
 
 // paletti muunnos: arg 0.8 --> 0.5
 vec3 palette(float t, float arg, float arg2){
@@ -105,14 +105,13 @@ vec2 mapScene(vec3 p) {
     float minDist = 1e9;
     for (int dx = -repeat; dx <= repeat; ++dx) {
         for (int dy = -repeat; dy <= repeat; ++dy) {
-            vec2 offset = vec2(dx, dy);
             vec3 hexpos = vec3(p.x-dx, p.y-8.0, p.z-dy);
             HexData hex = hexTile(hexpos, 1.1);
             float distFromCenter = hexDistance(hex.axial);
             int fftIndex = int(cl(distFromCenter + 1., 0.0, 511.0));
             float noise = mix(noise(hex.axial+1., 0.1), noise(hex.axial+1., 0.2), sin(u_time * 4.));
-            float hexHeight = cl(1.0 + (fft_output[fftIndex] * 2.0 + noise), 0., 9.);
-            vec3 r = vec3(hex.local.x + offset.x,hex.local.y,hex.local.z+offset.y);
+            float hexHeight = cl(1.0 + (fft_output[fftIndex] * 2.0) * cl(distFromCenter*0.25, 0.6, 1.5) + noise, 0., 9.);
+            vec3 r = vec3(hex.local.x + dx,hex.local.y,hex.local.z+dy);
            // r.yz *= rot2D(PI * 0.5);
             r.xz *= rot2D(0.5);
             float d = fHexagonCircumcircle(r, vec2(0.85, hexHeight));
@@ -231,19 +230,21 @@ vec3 pal(float color) {
     //return c2;
 }
 
-/*
-vec3 applyFog(vec3 col, float t, vec3 rd, vec3 lightDir, float fogAmount) {
-
-    float syncsBass = cl((syncs[1] + syncs[2] + syncs[3]), 0., 1.);
-
-    float fogAmount2 = 1.0 - exp(-t * fogAmount);
-    float sunAmount = max(dot(rd, lightDir), 1.0);
-     // highlight color
-    vec3 fogColor = mix(vec3(0.3, 0.3, 0.3), vec3(0.2, 0.2, 0.2), // Main color
-    pow(sunAmount, syncsBass * 1.0));
-    return mix(col, fogColor, fogAmount2);
+vec3 applyFog(vec3 color, float dist, vec3 fogColor, float fogDensity) {
+    float fogFactor = exp(-dist * fogDensity);
+    return mix(fogColor, color, fogFactor);
 }
-*/
+
+//vec3 applyFog(vec3 col, float t, vec3 rd, vec3 lightDir, float fogAmount) {
+//
+//    float syncsBass = cl((syncs[1]), 0., 1.);
+//
+//    float fogAmount2 = 1.0 - exp(-t * fogAmount);
+//    float sunAmount = max(dot(rd, lightDir), 1.0);
+//     // highlight color
+//    vec3 fogColor = vec3(0.2, 0.2, 0.2);
+//    return mix(col, fogColor, fogAmount2);
+//}
 
 /*
 vec3 shading(vec3 p, vec3 n, vec3 dir, vec3 caPos) {
@@ -350,16 +351,17 @@ vec3 render(vec2 uv) {
     float bGlowDistance = 0.8;
     vec3 p = camPos + t.x * rayDir;
 
-    vec3 bGlowLevel = bGlowColor * exp(-(p.y + 0.0) / bGlowDistance) * 9000.;
+    vec3 bGlowLevel = bGlowColor * exp(-(p.y + 0.0) / bGlowDistance) * 9e3;
     col += bGlowLevel;
     col = clamp(mix(bGlowLevel, col, t.z), 0.0, 1.0);
 
     // distance fog + bass thunder
-    /*
-    float fogAmount = 0.01;
-    col = col * exp(-t.x * fogAmount) + applyFog(col, t.x, rayDir, vec3(0., -0.5, 1.8), fogAmount) * (1.0 - exp(-t.x * fogAmount));
-    */
-    
+    vec3 fogColor = vec3(0.1, 0.2, 0.3); // light gray-blue fog
+    float fogDensity = 5e-3;
+
+    col = applyFog(col, t.x, fogColor, fogDensity);
+    //float fogAmount = 0.01;
+    //col = col * exp(-t.x * fogAmount) + applyFog(col, t.x, rayDir, vec3(0., -0.5, 1.8), fogAmount) * (1.0 - exp(-t.x * fogAmount));    
 
     return col;
 }
@@ -369,7 +371,7 @@ void main() {
     //finalColor = postProcess(finalColor);
 
     finalColor = mix(finalColor, smoothstep(0.0, 1.0, finalColor), 0.8); // contrast
-    finalColor = pow(finalColor, vec3(.6)); // gamma 2.2
+    finalColor = pow(finalColor, vec3(.4)); // gamma 2.2
 
     o = vec4(finalColor, 1.);
 }
\ No newline at end of file