Geano's Scene Rotation

A FoundryVTT module that solves one of the most annoying issues in Foundry: rotating a scene 90 degrees after you've already set it up.

• One-Click Rotation: Adds a "Rotate Scene" button to the Scene Configuration header.
• Complete Data Alignment: Automatically rotates and realigns:
  • Walls, Lights, Sounds, Notes
  • Tokens, Tiles, Drawings
  • Templates
• Smart Image Processing:
  • Automatically rotates the Background and Foreground images.
  • Saves rotated copies in a rotated-images subfolder next to your original image.
  • Smart Naming: Uses [OriginalName]_rotation[Degrees].jpg.
  • Efficiency: If a rotated version of the image already exists, it reuses it instantly instead of generating a new one.

1. Place the geanos-scene-rotation folder into your Data/modules/ directory.
2. Restart Foundry VTT.
3. Enable the module in Manage Modules.

Alternatively:

Enter the Manifest URL https://github.com/GeanoFee/geanos-scene-rotation/releases/latest/download/module.json within Foundry's "Install Module" window.

1. Open the Configuration window for any Scene.
2. Click the Rotate Scene button located in the window header.
3. Choose 90° Clockwise or 90° Counter-Clockwise.
4. Wait for the notification confirming the rotation is complete.

When you rotate a scene, the module:

1. Swaps the Scene Width and Height.
2. Calculates the new coordinates for all embedded objects based on a 90-degree transformation matrix.
3. Checks if a rotated version of the background image exists in [OriginalPath]/rotated-images/.
   • If yes: It assigns that image to the scene.
   • If no: It loads the image into an off-screen canvas, rotates it, saves it as a high-quality JPEG, uploads it, and then assigns it.

Verified for Foundry VTT v12. Should work on v10+.