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In Flash you gradually increase the alpha property of a symbol/object to have it slowly become visible.
Thank you. I got it to work with a Motion tween.
Can it be done with shape tweens? (CS5)
You could do it with a shape tween, though it still requires setting the color of the shape to an alpha value of 0 to start with. Shape tweening can only be used with raw drawn shapes, not symbols. Motion tweening can only be done using symbols/objects.
Where would you set the alpha for the shape tweens object? Photoshop?
The shape would be something drawn on your stage, so Photoshop isn't in the picture. You need to literally set the color of the shape to an alpha of zero using the color palette alpha tool. Below is a link to a sample file I made for you so you can hopefully see the differences in how the fading tween is done.
For the shape tween, if you select the shape on the top of stage in the first frame you should see that it has a blue color applied to it, but the alpha setting for that color is 0 in the color panel .
For the motion tween, if you select the object in the first frame and look in the properties panel to see that the object itself is set to have an alpha of 0... and similarly down the other end, you'll see in the properties panel that it has a tint applied to make it turn red and fade out.
I appreciate your help.
I was trying the motion tweens alpha setting method,
not knowing about the color palette alpha :-]