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Create a mask layer
- create two layers
- first layer: subject to mask
- second layer: actual mask
- Whatever object is on the top layer will become a "hole" in the mask"
- The masked layer indents under the mask and both layers lock for the effect (you can unlock the layers if you need to make any edits)
- You can create animations inside movie clips that can serve as a mask
- example (mouse over text for effect)
- You can also use a mask to uncover or "grow" an object example
- Reading:
- Pages 289 - 296 Classroom in a book