Fix domain warp fractal gain slider not functioning in UI, updated Emscripten

Author: Auburn

WebPreviewApp/build.ps1

@@ -1,15 +1,15 @@
 $scriptPath = $PSScriptRoot
-$emsdkVer = "3.1.44"
-$emsdkPath = Join-Path -Path $PSScriptRoot -ChildPath "emsdk"
+$emsdkVer = "3.1.52"
+$emsdkPath = Join-Path -Path $PSScriptRoot -ChildPath "emsdk" | Join-Path -ChildPath $emsdkVer
 
 if (Test-Path -Path $emsdkPath -PathType Container) {
     Write-Host "Found existing emsdk"
-    ./emsdk/emsdk_env.ps1
+    & "$emsdkPath\emsdk_env.ps1"
 } else {
     Write-Host "Building emsdk"
     git clone --branch $emsdkVer "https://github.com/emscripten-core/emsdk.git" $emsdkPath
-    ./emsdk/emsdk.ps1 install $emsdkVer
-    ./emsdk/emsdk.ps1 activate $emsdkVer
+    & "$emsdkPath\emsdk.ps1" install $emsdkVer
+    & "$emsdkPath\emsdk.ps1" activate $emsdkVer
 }
 
 emcc --version

WebPreviewApp/main.cpp

@@ -243,7 +243,7 @@ class FastNoiseLitePreviewApp : public ImGui_Application
                 fnlWarp.SetFractalLacunarity(fnlDomainWarpFractalLacunarity);
                 texUpdate = true;
             }
-            if (ImGui::DragFloat("Gain", &fnlFractalGain, 0.01f))
+            if (ImGui::DragFloat("Gain", &fnlDomainWarpFractalGain, 0.01f))
             {
                 fnlWarp.SetFractalGain(fnlDomainWarpFractalGain);
                 texUpdate = true;