Add basic batch exporting ps1 script

Examples/Batch.ps1

@@ -0,0 +1,23 @@
+#!/usr/bin/env pwsh
+# (c) MIT License, Tremeschin
+#
+# This PowerShell script runs depthflow for all images on a "input" folder
+# in the current directory, and batch renders videos to "output"
+
+if (-not (Test-Path "output")) {
+    New-Item -ItemType Directory -Path "output"
+}
+
+Get-ChildItem -Path "inputs" | ForEach-Object {
+    $filename = $_.BaseName
+
+    # Change or add variations and parameters here!
+    depthflow.exe input -i $_.FullName
+        main -o "./output/$filename.mp4"
+
+    # depthflow.exe input -i $_.FullName
+    #     dolly --intensity 0.5
+    #     main -o "./outputs/$filename-orbital.mp4"
+}
+
+Write-Host "Finished! Press any key to continue..."

Website/learn/parameters.md

@@ -87,7 +87,7 @@ This section is about the **core parameters** of DepthFlow.
     1. That would simply move the image around without changing the perspective, which is what the [**`center`**](#center) parameter does.
     2. The camera always _"looks"_ to the image (`origin` parameter) by adding an opposite bias to the ray's projection on how much the image is displaced.
 
-As you might expect, setting $x=cos(t)$ and $y=cos(t)$ parameter to follow a circular motion, will create a _"orbiting"_ effect around the center of the image.
+As you might expect, setting $x=cos(t)$ and $y=sin(t)$ parameter to follow a circular motion, will create a _"orbiting"_ effect around the center of the image.
 
 <video loop autoplay controls src="https://assets.brokensrc.dev/depthflow/learn/parameters/offset-xy-varying.mp4"></video>