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627Final Cut Pro User Guide
1. In the Final Cut Pro viewer, Command-drag selected B-Spline control points.
A handle appears indicating the adjustment you’re making.
Note: After the handle appears, you can modify the curve without using the Command
key.
2. Do any of the following:
• Make the curve progressively sharper: Drag away from the point.
• Make the curve progressively looser: Drag toward the point.
• Switch between three progressively sharper degrees of curvature: Command-click
the handle.
Alternatively, you can Control-click a B-Spline point and choose either Very Smooth,
Smooth, or Linear.
Animate a mask in Final Cut Pro
As with many effects and titles in Final Cut Pro, you can animate simple and complex masks
using keyframes.
For more information about animating effects using keyframes, see Intro to video
keyframing in Final Cut Pro.
1. Add a simple mask effect or a Draw Mask effect to a clip in the Final Cut Pro timeline.
2. Select the clip, then position the playhead in the timeline where you want the animation
to begin.
3. If the inspector isn’t already shown, do one of the following:
• Choose Window > Show in Workspace > Inspector (or press Command-4).
• Click the Inspector button on the right side of the toolbar.
4. Click the Video button at the top of the inspector.