lock rotation i think

Assets/sunset_box/GameObject.prefab

@@ -0,0 +1,32 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1 &8496610095942690802
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 346340643590905982}
+  m_Layer: 0
+  m_Name: GameObject
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &346340643590905982
+Transform:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8496610095942690802}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: -0.92657536, y: -0.24109477, z: 3.413753}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 0}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}

Assets/sunset_box/GameObject.prefab.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: b1075e33d7dbe17c9b7e6ff36e01c2e2
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/sunset_box/sunset_box.unity

@@ -134,6 +134,7 @@ GameObject:
   - component: {fileID: 733733047}
   - component: {fileID: 733733046}
   - component: {fileID: 733733051}
+  - component: {fileID: 733733050}
   m_Layer: 0
   m_Name: SunsetBox
   m_TagString: Untagged
@@ -200,7 +201,7 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 733733045}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
@@ -209,6 +210,26 @@ Transform:
   m_Father: {fileID: 0}
   m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!1818360609 &733733050
+RotationConstraint:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 733733045}
+  m_Enabled: 1
+  m_Weight: 1
+  m_RotationAtRest: {x: 0, y: 0, z: 0}
+  m_RotationOffset: {x: 0, y: 0, z: 0}
+  m_AffectRotationX: 1
+  m_AffectRotationY: 0
+  m_AffectRotationZ: 1
+  m_IsContraintActive: 1
+  m_IsLocked: 1
+  m_Sources:
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+      type: 3}
+    weight: 1
 --- !u!135 &733733051
 SphereCollider:
   m_ObjectHideFlags: 0

Assets/sunset_box/sunset_env_dynamic.shader

@@ -222,6 +222,7 @@
 				float3 origin = mul(unity_ObjectToWorld, float4(0, 0, 0, 1));
 				float3 sun_dir = (mul(unity_ObjectToWorld, float4(0, 0, -1, 1)) - origin) * float3(1, 0, 1);
 				// sun_dir.y = sin(_Time.x * 10) * 0.05;
+				sun_dir.y = 0.01;
 				sun_dir = normalize(sun_dir);
 
 				float3 dir = normalize(i.hit_pos - i.cam_pos);
@@ -248,6 +249,9 @@
 
 					col = water_col * max(subsurf * 12 - 2, 0.7);
 
+					float diffuse = max(dot(sun_dir, water_normal), 0);
+					col += water_col * _SunCol * diffuse * 10;
+
 					// float3 water_ao = get_ao(surface_pos.xz);
 					// col = water_col * lerp(0.1, water_ao, _WaveStrength) * 7;