Tomas Frydrych さんは書きました:
Hi,
Hi there. I really appreciate the help.
On 05/01/11 01:26, Jake Knickerbocker wrote:
My question is: How would it be possible to make a Clutter actor
with a alpha level of 0 occlude other fully visible actors? This is
all assuming a completely transparent stage. The video would then
be visible through this hole that the one actor has made.
Is this possible?
Yes, it should be possible. If an actor uses CoglMaterial with blend
function RGBA=ADD(SRC_COLOR, 0), then everything underneath that actor,
all the way through to the stage, will be replaced by what the actor
paints; so if it simply paints with a color that has 0 alpha you will
end up with 0 alpha directly on the stage (this assumes RGBA stage, of
course).
Worked like a charm. Much thanks.
-Jake
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