fix:代码提初始化

Assets/Enviro 3 - Sky and Weather/Resources/Shader/Particles/EnviroLightning.shader

@@ -0,0 +1,86 @@
+Shader "Enviro3/Lightning" {
+Properties {
+	_MainTex ("Texture", 2D) = "white" {}
+	_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
+	_BrightnessMod("Brightness Mod ", float) = 250
+	_Brightness("Brightness ", float) = 250
+	
+} 
+
+Category {
+	Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" }
+	Blend One One
+	ColorMask RGBA
+	Cull Off Lighting Off ZWrite Off
+
+	SubShader {
+		Pass {
+		
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma target 3.0
+			#pragma multi_compile_particles
+			#pragma multi_compile_fog
+			#pragma exclude_renderers gles 
+			#include "UnityCG.cginc"
+			#include "../Includes/FogInclude.cginc"
+
+			sampler2D _MainTex; 
+			float4 _TintColor;
+			
+			float _Brightness = 1;
+			float _BrightnessMod = 1;
+			
+			struct appdata_t 
+			{
+				float4 vertex : POSITION;
+				float2 texcoord : TEXCOORD0;
+				
+				UNITY_VERTEX_INPUT_INSTANCE_ID
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				float2 texcoord : TEXCOORD0;
+				float4 wpos : TEXCOORD1;
+				float4 screenPos : TEXCOORD2;
+				UNITY_VERTEX_OUTPUT_STEREO
+			};
+
+			float4 _MainTex_ST;
+			
+			v2f vert (appdata_t v)
+			{
+				v2f o;
+				UNITY_SETUP_INSTANCE_ID(v);
+				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
+				float3 viewVector = mul(unity_CameraInvProjection, float4(v.texcoord.xy * 5 - 1, 0, 1));
+                o.wpos = mul(unity_CameraToWorld, float4(viewVector, 0));
+				o.screenPos = ComputeScreenPos(v.vertex);
+				return o;
+			}
+
+			
+			float4 frag (v2f i) : SV_Target
+			{
+				float3 worldPos = i.wpos.xyz;
+				float2 screenPos = (i.screenPos.xy/i.screenPos.w);
+				float depth = i.screenPos.w;
+
+		
+				float4 col = tex2D(_MainTex, i.texcoord) * _TintColor;	
+				col.rgb *= _Brightness * _BrightnessMod;
+					
+				//col.rgb = ApplyFogAndVolumetricLights(col.rgb,screenPos,worldPos,depth);			
+				col.rgb *= col.a;	
+				return col;
+			}
+			ENDCG 
+		}
+	} 
+}
+Fallback "Legacy Shaders/Transparent/Diffuse"
+}