diff --git a/src/client/java/su/divan2000/veila/client/render/PostProcessingManager.java b/src/client/java/su/divan2000/veila/client/render/PostProcessingManager.java
index 42b5e63..e507418 100644
--- a/src/client/java/su/divan2000/veila/client/render/PostProcessingManager.java
+++ b/src/client/java/su/divan2000/veila/client/render/PostProcessingManager.java
@@ -13,10 +13,10 @@ import su.divan2000.veila.client.gl.FullscreenQuad;
 import su.divan2000.veila.client.gl.GLProgram;
 import su.divan2000.veila.client.gl.GLShader;
 import su.divan2000.veila.client.gl.ResourceUtil;
-import su.divan2000.veila.client.render.fog.FogLightVolume;
-import su.divan2000.veila.client.render.fog.FogSimulationManager;
-import su.divan2000.veila.client.render.fog.FogSystem;
-import su.divan2000.veila.client.render.fog.FogWorldVolume;
+import su.divan2000.veila.client.simulation.FogLightVolume;
+import su.divan2000.veila.client.simulation.FogSimulationManager;
+import su.divan2000.veila.client.simulation.FogSystem;
+import su.divan2000.veila.client.simulation.FogWorldVolume;
 
 import java.nio.FloatBuffer;
 
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeParams.java b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeParams.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogBiomeParams.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogBiomeParams.java
index 64d21ab..f28822d 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeParams.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeParams.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.registry.entry.RegistryEntry;
 import net.minecraft.world.biome.Biome;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeStreamer.java b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeStreamer.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogBiomeStreamer.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogBiomeStreamer.java
index 7f2a3f1..dbf775c 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeStreamer.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeStreamer.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.registry.entry.RegistryEntry;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeTexture.java b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeTexture.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogBiomeTexture.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogBiomeTexture.java
index 7bed560..04226c5 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogBiomeTexture.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogBiomeTexture.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.*;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogBlockProperties.java b/src/client/java/su/divan2000/veila/client/simulation/FogBlockProperties.java
similarity index 96%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogBlockProperties.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogBlockProperties.java
index 0b5f023..1e42d70 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogBlockProperties.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogBlockProperties.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 public record FogBlockProperties(
         boolean solid,
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogBlockRegistry.java b/src/client/java/su/divan2000/veila/client/simulation/FogBlockRegistry.java
similarity index 98%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogBlockRegistry.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogBlockRegistry.java
index e9a2dd0..dba0392 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogBlockRegistry.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogBlockRegistry.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogChunkProvider.java b/src/client/java/su/divan2000/veila/client/simulation/FogChunkProvider.java
similarity index 98%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogChunkProvider.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogChunkProvider.java
index 529f148..58942cd 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogChunkProvider.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogChunkProvider.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogChunkStreamer.java b/src/client/java/su/divan2000/veila/client/simulation/FogChunkStreamer.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogChunkStreamer.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogChunkStreamer.java
index 8272357..36ec7d0 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogChunkStreamer.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogChunkStreamer.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.block.BlockState;
 
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogDensityTextures.java b/src/client/java/su/divan2000/veila/client/simulation/FogDensityTextures.java
similarity index 98%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogDensityTextures.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogDensityTextures.java
index 742a944..0675ba8 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogDensityTextures.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogDensityTextures.java
@@ -1,6 +1,5 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
-import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL12;
 import org.lwjgl.opengl.GL15;
@@ -8,7 +7,6 @@ import org.lwjgl.opengl.GL30;
 import org.lwjgl.opengl.GL31;
 
 import java.nio.ByteBuffer;
-import java.nio.FloatBuffer;
 
 public final class FogDensityTextures {
 
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogEnvironmentContext.java b/src/client/java/su/divan2000/veila/client/simulation/FogEnvironmentContext.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogEnvironmentContext.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogEnvironmentContext.java
index 339848a..b8fc2ca 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogEnvironmentContext.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogEnvironmentContext.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.util.Identifier;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogLightProvider.java b/src/client/java/su/divan2000/veila/client/simulation/FogLightProvider.java
similarity index 98%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogLightProvider.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogLightProvider.java
index 9e3dcbc..0c27df4 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogLightProvider.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogLightProvider.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.util.math.ChunkSectionPos;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogLightStreamer.java b/src/client/java/su/divan2000/veila/client/simulation/FogLightStreamer.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogLightStreamer.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogLightStreamer.java
index bacb0fb..8d8de4b 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogLightStreamer.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogLightStreamer.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import java.util.concurrent.atomic.AtomicLongArray;
 
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogLightVolume.java b/src/client/java/su/divan2000/veila/client/simulation/FogLightVolume.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogLightVolume.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogLightVolume.java
index 4e1f0d8..2fd34b7 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogLightVolume.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogLightVolume.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.GL11;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogSimulationManager.java b/src/client/java/su/divan2000/veila/client/simulation/FogSimulationManager.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogSimulationManager.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogSimulationManager.java
index 8f20aba..3c428c9 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogSimulationManager.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogSimulationManager.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import java.util.ArrayDeque;
 import java.util.Locale;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogSimulationShader.java b/src/client/java/su/divan2000/veila/client/simulation/FogSimulationShader.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogSimulationShader.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogSimulationShader.java
index 97747aa..7ed0389 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogSimulationShader.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogSimulationShader.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import su.divan2000.veila.client.gl.FullscreenQuad;
 import su.divan2000.veila.client.gl.GLProgram;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogSystem.java b/src/client/java/su/divan2000/veila/client/simulation/FogSystem.java
similarity index 98%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogSystem.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogSystem.java
index 00b2b14..836c02f 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogSystem.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogSystem.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import net.minecraft.client.MinecraftClient;
 
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/FogWorldVolume.java b/src/client/java/su/divan2000/veila/client/simulation/FogWorldVolume.java
similarity index 99%
rename from src/client/java/su/divan2000/veila/client/render/fog/FogWorldVolume.java
rename to src/client/java/su/divan2000/veila/client/simulation/FogWorldVolume.java
index 25b051e..d882a56 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/FogWorldVolume.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/FogWorldVolume.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.GL11;
diff --git a/src/client/java/su/divan2000/veila/client/render/fog/SimpleNoiseSampler.java b/src/client/java/su/divan2000/veila/client/simulation/SimpleNoiseSampler.java
similarity index 97%
rename from src/client/java/su/divan2000/veila/client/render/fog/SimpleNoiseSampler.java
rename to src/client/java/su/divan2000/veila/client/simulation/SimpleNoiseSampler.java
index c050674..373d464 100644
--- a/src/client/java/su/divan2000/veila/client/render/fog/SimpleNoiseSampler.java
+++ b/src/client/java/su/divan2000/veila/client/simulation/SimpleNoiseSampler.java
@@ -1,4 +1,4 @@
-package su.divan2000.veila.client.render.fog;
+package su.divan2000.veila.client.simulation;
 
 /**
  * Простой Perlin noise без зависимостей от Minecraft API.
diff --git a/src/client/java/su/divan2000/veila/mixin/client/GameRendererMixin.java b/src/client/java/su/divan2000/veila/mixin/client/GameRendererMixin.java
index e58c201..37ca04e 100644
--- a/src/client/java/su/divan2000/veila/mixin/client/GameRendererMixin.java
+++ b/src/client/java/su/divan2000/veila/mixin/client/GameRendererMixin.java
@@ -8,7 +8,7 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import su.divan2000.veila.client.render.PostProcessingManager;
-import su.divan2000.veila.client.render.fog.FogSystem;
+import su.divan2000.veila.client.simulation.FogSystem;
 
 @Mixin(GameRenderer.class)
 public class GameRendererMixin {
diff --git a/src/client/java/su/divan2000/veila/mixin/client/LightStorageMixin.java b/src/client/java/su/divan2000/veila/mixin/client/LightStorageMixin.java
index b38f664..512bff8 100644
--- a/src/client/java/su/divan2000/veila/mixin/client/LightStorageMixin.java
+++ b/src/client/java/su/divan2000/veila/mixin/client/LightStorageMixin.java
@@ -3,7 +3,6 @@ package su.divan2000.veila.mixin.client;
 import net.minecraft.util.math.ChunkSectionPos;
 import net.minecraft.world.LightType;
 import net.minecraft.world.chunk.ChunkNibbleArray;
-import net.minecraft.world.chunk.light.ChunkLightProvider;
 import net.minecraft.world.chunk.light.LightStorage;
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
@@ -11,7 +10,7 @@ import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-import su.divan2000.veila.client.render.fog.FogLightStreamer;
+import su.divan2000.veila.client.simulation.FogLightStreamer;
 
 @Mixin(LightStorage.class)
 public class LightStorageMixin {
diff --git a/src/client/java/su/divan2000/veila/mixin/client/MinecraftClientMixin.java b/src/client/java/su/divan2000/veila/mixin/client/MinecraftClientMixin.java
index bafddf3..81a70d1 100644
--- a/src/client/java/su/divan2000/veila/mixin/client/MinecraftClientMixin.java
+++ b/src/client/java/su/divan2000/veila/mixin/client/MinecraftClientMixin.java
@@ -5,7 +5,7 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-import su.divan2000.veila.client.render.fog.FogSystem;
+import su.divan2000.veila.client.simulation.FogSystem;
 
 @Mixin(MinecraftClient.class)
 public class MinecraftClientMixin {
diff --git a/src/client/java/su/divan2000/veila/mixin/client/WorldChunkMixin.java b/src/client/java/su/divan2000/veila/mixin/client/WorldChunkMixin.java
index 5130978..f584026 100644
--- a/src/client/java/su/divan2000/veila/mixin/client/WorldChunkMixin.java
+++ b/src/client/java/su/divan2000/veila/mixin/client/WorldChunkMixin.java
@@ -7,7 +7,7 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
-import su.divan2000.veila.client.render.fog.FogChunkStreamer;
+import su.divan2000.veila.client.simulation.FogChunkStreamer;
 
 @Mixin(WorldChunk.class)
 public class WorldChunkMixin {