From 1c0673d55108df7d97d3bcce491ffbea2f43b79b Mon Sep 17 00:00:00 2001
From: raccoon <raccoon@home.net>
Date: Sat, 17 May 2025 01:44:44 +0500
Subject: [PATCH] Added scrolling texture shader

---
 .../materials/environment/CloudsShader.shader | 40 ++++++++++++-------
 1 file changed, 26 insertions(+), 14 deletions(-)

diff --git a/Assets/dbl-world/materials/environment/CloudsShader.shader b/Assets/dbl-world/materials/environment/CloudsShader.shader
index ba1751d..604e686 100644
--- a/Assets/dbl-world/materials/environment/CloudsShader.shader
+++ b/Assets/dbl-world/materials/environment/CloudsShader.shader
@@ -2,15 +2,21 @@ Shader "Custom/CloudsShader"
 {
     Properties
     {
-        _MainTex("Texture", 2D) = "white" {}
-        _ScrollSpeed("Scroll Speed", Vector) = (0.1, 0.1, 0, 0)
-        _Color("Tint Color", Color) = (1,1,1,1)
+        _MainTex("Main Texture", 2D) = "white" {}
+        _MainTexScrollX("Main Texture Scroll X", Float) = 0.001
+        _MainTexScrollY("Main Texture Scroll Y", Float) = 0.001
+
+        _NoiseTex("Noise Texture", 2D) = "white" {}
+        _NoiseTexScrollX("Noise Texture Scroll X", Float) = 0.001
+        _NoiseTexScrollY("Noise Texture Scroll Y", Float) = 0.001
+
+        _Color("Tint Color", Color) = (0.37, 0.37, 0.37, 1.0)
     }
 
     SubShader
     {
         Tags { "Queue"="Transparent" "RenderType"="Transparent" }
-        Blend One One // Additive blending
+        Blend One One  // Additive blending
         ZWrite Off
         Cull Off
 
@@ -21,8 +27,13 @@ Shader "Custom/CloudsShader"
             #pragma fragment frag
 
             sampler2D _MainTex;
-            float4 _MainTex_ST;
-            float4 _ScrollSpeed;
+            half _MainTexScrollX;
+            half _MainTexScrollY;
+
+            sampler2D _NoiseTex;
+            half _NoiseTexScrollX;
+            half _NoiseTexScrollY;
+
             float4 _Color;
 
             struct appdata
@@ -33,7 +44,8 @@ Shader "Custom/CloudsShader"
 
             struct v2f
             {
-                float2 uv : TEXCOORD0;
+                float2 uv1 : TEXCOORD0;
+                float2 uv2 : TEXCOORD1;
                 float4 vertex : SV_POSITION;
             };
 
@@ -41,21 +53,21 @@ Shader "Custom/CloudsShader"
             {
                 v2f o;
                 o.vertex = UnityObjectToClipPos(v.vertex);
-
-                // Scroll UVs over time
-                float2 scroll = _ScrollSpeed.xy * _Time.y;
-                o.uv = v.uv + scroll;
-
+                // Textures scrolling
+                o.uv1 = v.uv + float2(_MainTexScrollX, _MainTexScrollY) * _Time.y;
+                o.uv2 = v.uv + float2(_NoiseTexScrollX, _NoiseTexScrollY) * _Time.y;
                 return o;
             }
 
             fixed4 frag(v2f i) : SV_Target
             {
-                fixed4 tex = tex2D(_MainTex, i.uv) * _Color;
-                return tex;
+                fixed4 tex1 = tex2D(_MainTex, i.uv1);
+                fixed4 tex2 = tex2D(_NoiseTex, i.uv2);
+                return tex1 * tex2 * _Color;
             }
             ENDCG
         }
     }
+
     FallBack "Unlit/Transparent"
 }