Apple Motion Manuel d'utilisateur télécharger pdf (Page 37)

Setting Keyframes Manually 135

5 If necessary, at the top right of the Keyframe Editor, click the “Fit Visible Curves in

Window” button to see the full curve.

6 Play the project. The curtains stay closed for the first second, and then they animate

open from 1:00 to 5:00.

7 You can adjust the Bezier handles on each keyframe to suit yourself. You can also add

and adjust keyframes directly on a curve.

8 Double-click anywhere along the curve to add a keyframe.

9 Drag the keyframe up or down to change its value. Shift-drag up or down to con-

strain the pointer to vertical movement and avoid dragging left or right, which would

change the keyframe’s timing. As you drag, the numbers that appear in parentheses

indicate the timecode of the keyframe location and the value of the keyframe, in that

order.

10 Double-click the keyframe to enter a specific value for the parameter at this frame.

Play the project.

By adding keyframes, you can radically alter the animation. For this project, two key-

frames will suffice.

11 Stop playback, delete any extra keyframes, save your work, and close the project.

You can delete multiple keyframes by dragging a selection rectangle around

them and pressing Delete.

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Apple Motion Manuel d'utilisateur Page 37