released on steam, adding genedrive

Assets/Scenes/MDNA_Botany/Botany.shader

@@ -6,9 +6,9 @@ Shader "FullScreen/Botany"
         _ThemeTexture("ThemeTexture", 2D) = "white" {}
         _SpectrumSize("SpectrumSize", float) = 16
 
-        _Zoom("Zoom", range(1, 10)) = 5
-        _Wildness("Wildness", range(0.2, 2.0)) = 0.8
-        _Brightness("Brightness", range(1, 10)) = 4.0
+        _Grid("Grid", range(3, 10)) = 5
+        _Iterations("Iterations", range(1, 10)) = 6
+        _Resonance("Resonance", range(0, 3)) = 1
     }
 
     HLSLINCLUDE
@@ -22,9 +22,10 @@ Shader "FullScreen/Botany"
     // here we go...
     sampler2D _SpectrumTexture;
     sampler2D _ThemeTexture;
-    float _Zoom;
-    float _Wildness;
-    float _Brightness;
+
+    float _Resonance;
+    float _Grid;
+    float _Iterations;
 
     float material;
     float time;
@@ -50,7 +51,7 @@ Shader "FullScreen/Botany"
     // Inigo Quilez
     // https://iquilezles.org/articles/distfunctions
     float smin(float d1, float d2, float k) {
-        float h = clamp(0.5 + bass * (d2-d1) / k, 0.0, 1.0);
+        float h = clamp(0.5 + 0.5 * (d2-d1) / k, 0.0, 1.0);
         return lerp(d2, d1, h) - k*h*(1.0-h);
     }
 
@@ -74,7 +75,7 @@ Shader "FullScreen/Botany"
         float t = time * 1.0 + rng * 2.9;
 
         // domain repetition
-        float3 grid = float3(_Zoom, _Zoom, _Zoom);
+        float3 grid = float3(_Grid, _Grid, _Grid);
         float3 cell = floor(p/grid);
         p = repeat(p, grid);
 
@@ -88,18 +89,17 @@ Shader "FullScreen/Botany"
         float size = sin(rng*3.14);
 
         // stretch sphere
-        float wave = sin(-dp*1.+t+hash13(cell)*6.28)*.5;
+        // float wave = sin(-dp*1.+t+hash13(cell)*6.28)*.5;
+        float wave = sin(-dp*_Resonance+t+hash13(cell)*6.28);
 
-        // kaleidoscopic iterated function
-        const int count = 4;
         // float a = 1.0;
         float a = 2.0;
         float scene = 1000.0;
         float shape = 1000.0;
-        for (int index = 0; index < count; ++index) {
+        for (int index = 0; index < _Iterations; ++index) {
             // fold and translate
-            p.xz = abs(p.xz) - (_Wildness + wave) * a;
-            // p.xz = abs(p.xz) - (0.5 + wave) * a;
+            // p.xz = abs(p.xz) - (_Iterations + wave) * a;
+            p.xz = abs(p.xz) - (0.5 + wave) * a;
 
             // rotate
             // p.xz = mul(rot(angle.y/a), p.xz);
@@ -205,6 +205,10 @@ Shader "FullScreen/Botany"
         // pixel color
         colour.rgb = (tint + light) * shade;
 
+        // camera fade
+        colour = colour * step(3.0, length(pos));
+
+
         // temporal buffer
         // colour = max(colour, texture(iChannel0, fragCoord/iResolution.xy) - 0.01);