shaders innit

Assets/Scenes/sr_sfz/sfz_skybox.shader

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+Shader "Skybox/PsychedelicSkyboxURP_SineFlow"
+{
+    Properties
+    {
+        _BaseColor ("Base Color", Color) = (0.05, 0.05, 0.08, 1)
+        _AccentColor ("Accent Color", Color) = (0.2, 0.8, 1.0, 1)
+        _SecondaryColor ("Secondary Color", Color) = (1.0, 0.6, 0.2, 1)
+        _Intensity ("Emission Intensity", Range(0, 10)) = 2.5
+        _Speed ("Animation Speed", Range(0.1, 5)) = 1.0
+        _WarpStrength ("Warp Strength", Range(0.0, 2.0)) = 0.6
+    }
+
+    SubShader
+    {
+        Tags { "RenderType"="Background" "Queue"="Background" "PreviewType"="Skybox" }
+        Cull Off ZWrite Off ZTest Always
+
+        Pass
+        {
+            Name "SkyboxPass"
+            Tags { "LightMode"="UniversalForward" }
+
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            // === Properties ===
+            float4 _BaseColor;
+            float4 _AccentColor;
+            float4 _SecondaryColor;
+            float _Intensity;
+            float _Speed;
+            float _WarpStrength;
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float3 viewDirWS  : TEXCOORD0;
+            };
+
+            Varyings vert(Attributes v)
+            {
+                Varyings o;
+                o.positionCS = TransformObjectToHClip(v.positionOS.xyz);
+                o.viewDirWS = GetSkyboxViewDirWS(v.positionOS.xyz);
+                return o;
+            }
+
+            half4 frag(Varyings i) : SV_Target
+            {
+                // Convert 3D direction to a 2D UV projection
+                float3 dir = normalize(i.viewDirWS);
+                float2 uv = dir.xy / max(1e-3, (1.0 + dir.z)); // spherical projection
+
+                float time = _Time.y * _Speed;
+
+                // --- Warping loop (GLSL style port) ---
+                float2 warped = uv;
+                [unroll(9)]
+                for (float j = 1.0; j < 10.0; j++)
+                {
+                    warped.x += _WarpStrength / j * cos(j * 2.5 * warped.y + time);
+                    warped.y += _WarpStrength / j * cos(j * 1.5 * warped.x + time);
+                }
+
+                float glow = 0.1 / abs(sin(time - warped.y - warped.x));
+                glow = saturate(glow * 5.0);
+
+                float3 col = lerp(_BaseColor.rgb, _AccentColor.rgb, glow);
+                col = lerp(col, _SecondaryColor.rgb, pow(glow, 3.0));
+
+                return half4(col * _Intensity, 1.0);
+            }
+            ENDHLSL
+        }
+    }
+
+    FallBack Off
+}