The method of making ae mask animation is as follows:
Tools/materials: Dell G3, Windows10, AE CC2018
Steps:
1. Import a still picture. Double-click the project bar to activate the import material dialog box. Select the picture to be imported and click OK.
2. Use the picture to create a new composition. Drag the picture to the composition icon and release to generate a new composition.
3. Select the picture in the composition with the mouse and click the pen tool. Draw a mask shape in the composition window. The zigzag on the right can make the mask more vivid.
4. The jagged part is too stiff. Click on the mask list and change the mask feathering to about 50.
5. Create a mask animation on the right end, activate the mask path keyframe, the timeline is 0, use the selection tool to select all points on the right side of the mask shape, and drag it to the left with the mouse; the timeline is For 2 seconds, keep the right point of the mask selected and drag it to the right. Such a left-to-right animation is generated.
6. When playing at this time, you can see that the picture generates an animation that gradually appears on the right side of the picture from 0 to 2 seconds.
7. Create a mask at the left end, animate the selected mask path, use the pen tool to add points to the left line of the mask, and adjust it to make it jagged.
8. Activate the mask path keyframe, and the timeline is 2.5 seconds.
9. The timeline is 4 seconds. Select all the points on the left and drag them to the right, which will generate a gradual disappearing animation of the left end. This animation from appearance to disappearance is completed.