2026-06-09 룸 프로토타입 디자인 (진행중)

Assets/Stylized Water 3/Shaders/Libraries/Fog.hlsl

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+// Stylized Water 3 by Staggart Creations (http://staggart.xyz)
+// COPYRIGHT PROTECTED UNDER THE UNITY ASSET STORE EULA (https://unity.com/legal/as-terms)
+//    • Copying or referencing source code for the production of new asset store, or public, content is strictly prohibited!
+//    • Uploading this file to a public repository will subject it to an automated DMCA takedown request.
+
+float _WaterFogDisabled;
+
+//Authors of third-party fog solutions can reach out to have their method integrated here
+
+#ifdef AtmosphericHeightFog
+//For versions older than 3.2.0, uncomment this
+//bool AHF_Enabled;
+#endif
+
+//Fragment stage. Note: Screen position passed here is not normalized (divided by w-component)
+void ApplyFog(inout float3 color, float fogFactor, float4 screenPos, float3 positionWS, float vFace) 
+{
+	float3 foggedColor = color;
+
+	float2 normalizedUV = screenPos.xy / screenPos.w;
+#ifdef UnityFog
+	foggedColor = MixFog(color.rgb, fogFactor);
+#endif
+
+#ifdef Colorful
+	if(_DensityParams.x > 0) foggedColor.rgb = ApplyFog(color.rgb, fogFactor, positionWS, normalizedUV);
+#endif
+	
+#ifdef Enviro
+	//Distance/height fog enabled?
+	if (_EnviroParams.y > 0 || _EnviroParams.z > 0)
+	{
+		foggedColor.rgb = TransparentFog(float4(color.rgb, 1.0), positionWS, normalizedUV, fogFactor).rgb;
+	}
+#endif
+
+#ifdef Enviro3
+	if(_EnviroFogParameters.z > 0) //Fog density 1
+	{
+		foggedColor.rgb = ApplyFogAndVolumetricLights(color.rgb, normalizedUV, positionWS, 0);
+		foggedColor.rgb = ApplyClouds(foggedColor.rgb, normalizedUV, positionWS);
+	}
+#endif
+	
+#ifdef Azure
+	foggedColor.rgb = ApplyAzureFog(float4(color.rgb, 1.0), positionWS).rgb;
+#endif
+
+#ifdef AtmosphericHeightFog
+	//If you see an error here, update the asset to v3.2.0 or newer, or uncomment the `AHF_Enabled` declaration at the top
+	if (AHF_Enabled)
+	{
+		float4 fogParams = GetAtmosphericHeightFog(positionWS.xyz);
+		foggedColor.rgb = lerp(color.rgb, fogParams.rgb, fogParams.a);
+	}
+#endif
+
+#ifdef SCPostEffects
+	ApplyTransparencyFog(positionWS, normalizedUV, foggedColor.rgb);
+#endif
+
+#ifdef COZY
+	foggedColor = BlendStylizedFog(positionWS, float4(color.rgb, 1.0)).rgb;
+#endif
+
+#ifdef Buto
+	#if defined(BUTO_API_VERSION_2) //Buto 2022
+	float3 positionVS = TransformWorldToView(positionWS);
+	foggedColor = ButoFogBlend(normalizedUV, -positionVS.z, color.rgb);
+	#else //Buto 2021
+	foggedColor = ButoFogBlend(normalizedUV, color.rgb);
+	#endif
+#endif
+
+	#ifndef UnityFog
+	//Allow fog to be disabled for water globally by setting the value through script
+	foggedColor = lerp(foggedColor, color, _WaterFogDisabled);
+	#endif
+	
+	//Fog only applies to the front faces, otherwise affects underwater rendering
+	color.rgb = lerp(color.rgb, foggedColor.rgb, vFace);
+}