To rotate a mask in After Effects, you can utilize the free transform tool. You can access this tool by double-clicking directly on the mask path, which will bring up a bounding box around your mask. From here, you can rotate the mask by hovering over the corners of the bounding box and dragging. Once you are satisfied with the rotation, double-click again on the mask path or anywhere outside the bounding box to exit the free transform mode.
Here are some additional insights:
- You can use the keyboard shortcuts Alt + Ctrl + T (Windows) or Option + Command + T (Mac) to activate the free transform tool.
- To rotate the mask to a specific degree, you can use the rotate slider in the transform panel or the rotation value in the transform properties.
- For more precise control, you can use the rotate tool in the tools panel and click and drag to rotate the mask.
- If you need to rotate multiple masks at once, select them first and then use the free transform tool.
Remember that you can also apply keyframes to the rotation property, allowing you to animate the rotation of the mask over time.
