[A] reflection prob and refraction

Assets/Scenes/SampleScene.unity

@@ -38,7 +38,7 @@ RenderSettings:
   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.17885353, g: 0.22394334, b: 0.3057996, a: 1}
+  m_IndirectSpecularColor: {r: 0.4410972, g: 0.48978937, b: 0.57004404, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
@@ -756,10 +756,15 @@ PrefabInstance:
       propertyPath: m_IsActive
       value: 1
       objectReference: {fileID: 0}
+    - target: {fileID: 2604673031230735868, guid: 47f79802adc54954898ae8c7d6a674e9,
+        type: 3}
+      propertyPath: m_IsActive
+      value: 1
+      objectReference: {fileID: 0}
     - target: {fileID: 3692584872512927477, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_IsActive
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 4065199434944052237, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
@@ -779,37 +784,42 @@ PrefabInstance:
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalRotation.w
-      value: 0.8862036
+      value: -0.75348014
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalRotation.x
-      value: 0.46329606
+      value: -0.41926923
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalRotation.y
-      value: 0
+      value: -0.2508574
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalRotation.z
-      value: 0
+      value: 0.4399448
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalEulerAnglesHint.x
-      value: 55.2
+      value: 58.49
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalEulerAnglesHint.y
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 4075022403846284307, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}
       propertyPath: m_LocalEulerAnglesHint.z
-      value: 0
+      value: 300
+      objectReference: {fileID: 0}
+    - target: {fileID: 5300509538440423651, guid: 47f79802adc54954898ae8c7d6a674e9,
+        type: 3}
+      propertyPath: m_IsActive
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 6931138432903229757, guid: 47f79802adc54954898ae8c7d6a674e9,
         type: 3}

Assets/Settings/URP-HighFidelity.asset

@@ -19,8 +19,8 @@ MonoBehaviour:
   m_RendererDataList:
   - {fileID: 11400000, guid: c40be3174f62c4acf8c1216858c64956, type: 2}
   m_DefaultRendererIndex: 0
-  m_RequireDepthTexture: 0
+  m_RequireDepthTexture: 1
-  m_RequireOpaqueTexture: 0
+  m_RequireOpaqueTexture: 1
   m_OpaqueDownsampling: 1
   m_SupportsTerrainHoles: 1
   m_SupportsHDR: 1

Assets/Test/NewWatermesh.watermesh.meta

@@ -11,8 +11,8 @@ ScriptedImporter:
   waterMesh:
     shape: 0
     scale: 100
-    vertexDistance: 1
+    vertexDistance: 2
-    UVTiling: 2
+    UVTiling: 1
     noise: 0
     boundsPadding: 4
     mesh: {fileID: -8670151273213183110, guid: 154c6496b574b495eaf1e56696d041c5, type: 3}

Packages/zzwater/Mats/Ocean.mat

@@ -90,8 +90,8 @@ Material:
     - _ClearCoatSmoothness: 0
     - _Cull: 2
     - _Cutoff: 0.5
-    - _DepthHorizontal: 1.34
+    - _DepthHorizontal: 1.47
-    - _DepthVertical: 10.83
+    - _DepthVertical: 5.99
     - _DetailAlbedoMapScale: 1
     - _DetailNormalMapScale: 1
     - _DstBlend: 0
@@ -101,16 +101,20 @@ Material:
     - _GlossMapScale: 0
     - _Glossiness: 0
     - _GlossyReflections: 0
-    - _HorizonDistance: 21.27
+    - _HorizonDistance: 20.6
     - _Metallic: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.005
     - _QueueOffset: 0
     - _ReceiveShadows: 1
+    - _ReflectionBlur: 0.012
+    - _ReflectionFresnel: 3.01
+    - _ReflectionStrength: 0.909
+    - _RefractionStrength: 0.332
     - _Smoothness: 0.5
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
-    - _Speed: 1
+    - _Speed: 3.49
     - _SrcBlend: 1
     - _SrcBlendAlpha: 1
     - _Surface: 0
@@ -119,24 +123,24 @@ Material:
     - _TranslucencyReflectionMask: 0.747
     - _TranslucencyStrength: 1.03
     - _TranslucencyStrengthDirect: 0.07
-    - _WaveCount: 3
+    - _WaveCount: 2
-    - _WaveDistance: 0.747
+    - _WaveDistance: 0.759
-    - _WaveHeight: 0.46
+    - _WaveHeight: 0.16
-    - _WaveNormalStr: 0.5
+    - _WaveNormalStr: 0.2
     - _WaveSpeed: 1
-    - _WaveSteepness: 2.24
+    - _WaveSteepness: 3.17
     - _WorkflowMode: 1
     - _ZWrite: 1
     m_Colors:
-    - _BaseColor: {r: 0.0133944545, g: 0.20659995, b: 0.4056604, a: 0.84705883}
+    - _BaseColor: {r: 0.1254902, g: 0.2901961, b: 0.34509805, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _Direction: {r: 1, g: 1, b: 0, a: 0}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
-    - _HorizonColor: {r: 0.09376113, g: 0.18046764, b: 0.46226418, a: 0.95686275}
+    - _HorizonColor: {r: 0.09376113, g: 0.10980392, b: 0.32156864, a: 0.95686275}
-    - _ShallowColor: {r: 0.07943218, g: 0.5314412, b: 0.8018868, a: 0.79607844}
+    - _ShallowColor: {r: 0.105882354, g: 0.4117647, b: 0.62352943, a: 1}
     - _SpecColor: {r: 0.19999996, g: 0.19999996, b: 0.19999996, a: 1}
     - _WaveDirection: {r: 1, g: 1, b: 1, a: 2}
-    - _WaveFadeDistance: {r: 50, g: 81.68, b: 0, a: 0}
+    - _WaveFadeDistance: {r: 0, g: 200, b: 0, a: 0}
   m_BuildTextureStacks: []
 --- !u!114 &1635733923474585344
 MonoBehaviour:

Packages/zzwater/shaders/libs/Common.hlsl

@@ -29,6 +29,9 @@ struct WaterSurface
 	float alpha;
     float fog;
 	float edgeFade;
+
+    float3 reflections;
+    float reflectionMask;
 };
 
 struct SceneDepth
@@ -44,13 +47,11 @@ struct SceneDepth
 #define DEPTH_SCALAR (FAR_CLIP - NEAR_CLIP)
 
 //Return depth based on the used technique (buffer, vertex color, baked texture)
-SceneDepth SampleDepth(float4 positionNDC)
+SceneDepth SampleDepth(float2 uv)
 {
 	SceneDepth depth = (SceneDepth)0;
 	
-	positionNDC.xy /= positionNDC.w;
+	float raw = SampleSceneDepth(uv);
-
-	float raw = SampleSceneDepth(positionNDC.xy);
     depth.raw = raw;
 	depth.eye = LinearEyeDepth(raw, _ZBufferParams);
 	depth.linear01 = Linear01Depth(raw, _ZBufferParams) * DEPTH_SCALAR;

Packages/zzwater/shaders/libs/ForwardPass.hlsl

@@ -12,15 +12,16 @@ struct SceneData
 
 void PopulateSceneData(inout SceneData scene, in Varyings input, in WaterSurface water)
 {
+    const float2 screenPos = input.positionNDC.xy / input.positionNDC.w;
     scene.positionNDC = input.positionNDC;
-    scene.screenPos = input.positionNDC.xy / input.positionNDC.w;
+    scene.screenPos = screenPos;
 
 	//Default for disabled depth texture
 	scene.viewDepth = 1;
 	scene.verticalDepth = 1;
 
 	//Screen depth Projection to world position
-	SceneDepth depth = SampleDepth(input.positionNDC);
+	SceneDepth depth = SampleDepth(screenPos);
     float3 projWorldPos = depth.eye * (water.viewDelta / input.positionNDC.w) - _WorldSpaceCameraPos; 
     scene.positionWS = -projWorldPos;
 
@@ -31,7 +32,8 @@ void PopulateSceneData(inout SceneData scene, in Varyings input, in WaterSurface
 
 	//Distance to opaque geometry in normal direction
 	scene.verticalDepth = length((water.positionWS - scene.positionWS) * water.vertexNormal);
-	//scene.verticalDepth = DepthDistance(water.positionWS, scene.positionWS, water.waveNormal * normalSign);
+
+	scene.color = SampleSceneColor(screenPos + input.normalWS.xz * 0.5 * _RefractionStrength);
 }
 
 float GetWaterDensity(SceneData scene, float heightScalar, float viewDepthScalar)
@@ -86,7 +88,9 @@ float4 ForwardPassFragment(Varyings input) : SV_Target
 
 	PopulateSceneData(scene, input, water);
 
-    //return float4(scene.verticalDepth.xxx, 1);
+    //return float4(scene.verticalDepth.xxx, 0.7);
+    //return float4(scene.viewDepth.xxx, 0.7);
+    //return float4(scene.color, 1);
 
 	water.fog = GetWaterDensity(scene, _DepthHorizontal, _DepthVertical);
 
@@ -104,6 +108,23 @@ float4 ForwardPassFragment(Varyings input) : SV_Target
 
 	water.alpha *= water.edgeFade;
 
+	/* ========
+	// Reflection Prob
+	=========== */
+
+	half3 reflectionVector = reflect(-water.viewDir, normalWS);
+    water.reflections = GlossyEnvironmentReflection(reflectionVector, water.positionWS, _ReflectionBlur, 1 ,scene.screenPos.xy);
+
+    //Schlick's BRDF fresnel AIR_RI = 1.000293
+	float cosTheta = saturate(dot(normalWS, water.viewDir));	
+	water.reflectionMask = pow(max(0.0, 1.000293 - cosTheta), _ReflectionFresnel) * _ReflectionStrength; 
+
+    water.albedo = lerp(water.albedo, water.reflections.rgb, water.reflectionMask);
+
+	/* ========
+	// Refraction Prob
+	=========== */
+
 
 	/* ========
 	// TRANSLUCENCY
@@ -152,9 +173,10 @@ float4 ForwardPassFragment(Varyings input) : SV_Target
 	inputData.shadowMask = 0;//shadowMask;
 
 
-	float4 finalColor = float4(ApplyLighting(surfaceData, scene.color, mainLight, inputData, water, translucencyData), water.alpha);
+	float3 finalColor = ApplyLighting(surfaceData, mainLight, inputData, water, translucencyData);
+
+    finalColor = lerp(scene.color, finalColor, 0.7);
 
         
-	return finalColor;
+	return float4(finalColor, water.alpha);
-    // return float4(water.albedo, water.alpha);
 }

Packages/zzwater/shaders/libs/Input.hlsl

@@ -18,6 +18,11 @@ CBUFFER_START(UnityPerMaterial)
 	half _TranslucencyExp;
 	half _TranslucencyCurvatureMask;
 
+	float _ReflectionBlur;
+	float _ReflectionFresnel;
+	float _ReflectionStrength;
+
+    float _RefractionStrength;
 
 
     //Waves

Packages/zzwater/shaders/libs/Light.hlsl

@@ -31,7 +31,7 @@ void ApplyTranslucency(float3 subsurfaceColor, float3 lightDir, float3 lightColo
 
 
 //Based on UniversalFragmentBlinnPhong (no BRDF)
-float3 ApplyLighting(inout SurfaceData surfaceData, inout float3 sceneColor, Light mainLight, InputData inputData, WaterSurface water, TranslucencyData translucencyData)
+float3 ApplyLighting(inout SurfaceData surfaceData, Light mainLight, InputData inputData, WaterSurface water, TranslucencyData translucencyData)
 {
 	ApplyTranslucency(translucencyData.subsurfaceColor, mainLight.direction, mainLight.color, water.viewDir, water.vertexNormal, translucencyData.mask, translucencyData.strength, translucencyData.strengthIncident, translucencyData.exponent, translucencyData.curvature, surfaceData.emission.rgb );
 	

Packages/zzwater/shaders/libs/Vertex.hlsl

@@ -50,6 +50,9 @@ Varyings LitPassVertex(Attributes input)
 	//WaveInfo waves = GetWaveInfo(uv, TIME_VERTEX * _WaveSpeed, _WaveHeight, lerp(1, 0, vertexColor.b), _WaveFadeDistance.x, _WaveFadeDistance.y);
 	WaveInfo waves = GetWaveInfo(uv, TIME_VERTEX * _WaveSpeed, _WaveHeight, 1, _WaveFadeDistance.x, _WaveFadeDistance.y);
 
+    //waves.normal = normalInput.normalWS;
+    //waves.position = 0;
+	
 	//Apply vertex displacements
 	positionWS += waves.position.xyz;
 

Packages/zzwater/shaders/ocean.shader

@@ -20,6 +20,12 @@ Shader "zzwater/ocean"
 		_TranslucencyCurvatureMask("Translucency Curvature mask", Range(0, 1)) = 0.75
 		_TranslucencyReflectionMask("Translucency Reflection mask", Range(0, 1)) = 1
 
+		_ReflectionStrength("Reflection Strength", Range(0, 1)) = 1
+		_ReflectionBlur("Probe Blur Factor", Range(0, 1)) = 0	
+		_ReflectionFresnel("Reflection Curvature mask", Range(0.01, 20)) = 5	
+        
+		_RefractionStrength("Refraction Strength", Range(0, 1)) = 0.1
+
 
         //waves
 		_WaveSpeed("Speed", Float) = 2

ProjectSettings/GraphicsSettings.asset

@@ -59,7 +59,7 @@ GraphicsSettings:
   m_FogKeepExp: 1
   m_FogKeepExp2: 1
   m_AlbedoSwatchInfos: []
-  m_LightsUseLinearIntensity: 1
+  m_LightsUseLinearIntensity: 0
   m_LightsUseColorTemperature: 1
   m_DefaultRenderingLayerMask: 1
   m_LogWhenShaderIsCompiled: 0

ProjectSettings/ProjectSettings.asset

@@ -47,7 +47,7 @@ PlayerSettings:
   defaultScreenWidthWeb: 960
   defaultScreenHeightWeb: 600
   m_StereoRenderingPath: 0
-  m_ActiveColorSpace: 1
+  m_ActiveColorSpace: 0
   unsupportedMSAAFallback: 0
   m_SpriteBatchVertexThreshold: 300
   m_MTRendering: 1

ProjectSettings/QualitySettings.asset

@@ -4,7 +4,7 @@
 QualitySettings:
   m_ObjectHideFlags: 0
   serializedVersion: 5
-  m_CurrentQuality: 0
+  m_CurrentQuality: 1
   m_QualitySettings:
   - serializedVersion: 3
     name: Performant
@@ -83,7 +83,7 @@ QualitySettings:
     realtimeGICPUUsage: 25
     lodBias: 1
     maximumLODLevel: 0
-    enableLODCrossFade: 1
+    enableLODCrossFade: 0
     streamingMipmapsActive: 0
     streamingMipmapsAddAllCameras: 1
     streamingMipmapsMemoryBudget: 512