This is a read-only archive of the old Scratch 1.x Forums.
Try searching the current Scratch discussion forums.

#1 2007-10-12 17:12:50

music_man
Scratcher
Registered: 2007-09-22
Posts: 100+

How do you make colors transparent?

I have seen this before and I would like to know how to do it if possible.  I am trying to figure out how you make colors transparent.  Not all the way gone, but so you can see through slightly.  Like the picture in the back may have a slight touch of blue when you are looking through the character but be regular wen not looking though the character.  If you know how to do this, please tell me.  Thank you.

One more thing.  Is it possible to do this without the ghost effect?


The fool has said in his heart, "There is no God."...  Psalms 14:1

Offline

 

#2 2007-10-12 18:42:06

kevin_karplus
Scratcher
Registered: 2007-04-27
Posts: 1000+

Re: How do you make colors transparent?

You can do it with ghost effect, but not otherwise.
The scratch sprite model has only fully transparent or fully opaque pixels.
With ghost effect the opaque pixels become partly transparent.
There is no way in Scratch currently to make some pixels of a sprite partially transparent and not others (importing such an image turns the transparency on or off for each pixel---throwing away that information).

Offline

 

#3 2007-10-13 10:33:12

music_man
Scratcher
Registered: 2007-09-22
Posts: 100+

Re: How do you make colors transparent?

Thanks for letting me know.  Maybe soon they will make Scratch have that capability.


The fool has said in his heart, "There is no God."...  Psalms 14:1

Offline

 

#4 2007-10-13 10:52:54

bigB
Scratcher
Registered: 2007-06-09
Posts: 100+

Re: How do you make colors transparent?

is there any particular reason why you cant use ghost affect


http://scratch.mit.edu/projects/bigB/260981 Draw to Text
http://scratch.mit.edu/projects/bigB/181829 3D Stunt Flyer

Offline

 

#5 2007-10-13 11:45:23

kevin_karplus
Scratcher
Registered: 2007-04-27
Posts: 1000+

Re: How do you make colors transparent?

I think that music_man wanted to make some pixels partly transparent and not others---this is not possible in scratch's ghost effect, but is possible in many drawing and image-editing programs.  It is, perhaps, a bit too complicated a model of transparency for scratch's target audience.

Offline

 

Board footer