备份CatanBuilding瘦身独立工程

LocalPackages/zzwater/shaders/wind_cloth.shader

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+Shader "zzwind/WindClothUnlit"
+{
+    
+    Properties
+    {
+
+        [MainTexture] _BaseMap("Texture", 2D) = "white" {}
+        [MainColor] _BaseColor("Color", Color) = (1, 1, 1, 1)
+        _Cutoff("AlphaCutout", Range(0.0, 1.0)) = 0.5
+        _Wind("Wind params",Vector) = (1,1,1,1)
+        _WindAmplitude("Wind Amplitude", float) = 0.5
+        _WindSpeed("Wind Speed",float) = 0.5
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            "RenderType" = "Opaque"
+            "IgnoreProjector" = "True"
+            "UniversalMaterialType" = "Unlit"
+            "RenderPipeline" = "UniversalPipeline"
+        }
+
+        Pass
+        {
+            Name "Unlit"
+			Blend SrcAlpha OneMinusSrcAlpha, One OneMinusSrcAlpha
+            ZWrite On
+            Cull Back
+            ZTest LEqual
+            ZClip On
+
+            HLSLPROGRAM
+
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
+			#include "Packages/zzwater/shaders/libs/WindAnim.hlsl"
+
+
+            TEXTURE2D(_BaseMap);
+            SAMPLER(sampler_BaseMap);
+
+            CBUFFER_START(UnityPerMaterial)
+                float _Cutoff;
+                half4 _BaseColor;
+                half4 _BaseMap_ST;
+                half4 _Wind;
+                float _WindAmplitude;
+                float _WindSpeed;
+            CBUFFER_END
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float4 tangentOS : TANGENT;
+                float2 uv : TEXCOORD0;
+                float3 normalOS : NORMAL;
+                float4 color : COLOR;
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+                float4 color : TEXCOORD2;
+            };
+
+            Varyings vert(Attributes input)
+            {
+                Varyings output;
+
+                float bendingFact = input.color.a;
+                float4 wind;
+                wind.xyz = _Wind.xyz;
+                wind.w = _Wind.w * bendingFact.x;
+
+                float4 windParams = float4(0,_WindAmplitude,bendingFact,0);
+                float windTime = _Time.y * _WindSpeed;
+                float4 VertexInWndPos = ClothWindAnim(input.positionOS,input.normalOS,windParams,wind,windTime);
+
+                output.positionCS = TransformObjectToHClip(VertexInWndPos);
+                output.uv = TRANSFORM_TEX(input.uv, _BaseMap);
+                output.color = input.color;
+                return output;
+            }
+
+            float4 frag(Varyings input) : SV_Target
+            {
+                half2 uv = input.uv;
+                half4 texColor = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, uv);
+                half3 color = texColor.rgb * _BaseColor.rgb;
+                half alpha = texColor.a * _BaseColor.a;
+                clip(alpha - _Cutoff);
+
+                return float4(color, alpha);
+            }
+
+            ENDHLSL
+        }
+    }
+}