Sorry your browser is not supported!

You are using an outdated browser that does not support modern web technologies, in order to use this site please update to a new browser.

Browsers supported include Chrome, FireFox, Safari, Opera, Internet Explorer 10+ or Microsoft Edge.

AppGameKit Classic Chat / Will it be possible to fade one image into another in V2?

Author
Message
NoUJoe
10
Years of Service
User Offline
Joined: 8th Jul 2013
Location:
Posted: 10th Oct 2013 07:07
Link
To my knowledge at the moment, it is not possible to control the opacity of sprites in AGK. But after seeing the latest shaders video, I was wondering if it would possible to do this? Just say I have one image and another on top of that, then turn down the opacity over a certain period of time to give the effect of one fading into the other.
Back to top
Profile PM
Digital Awakening
AGK Developer
21
Years of Service
User Offline
Joined: 27th Aug 2002
Location: Sweden
Posted: 10th Oct 2013 08:29
Link
If all you want to do is change the opacity of the entire sprite you can already do that with setspritecoloralpha().

Back to top
Profile PM Website
Markus
Valued Member
20
Years of Service
User Offline
Joined: 10th Apr 2004
Location: Germany
Posted: 10th Oct 2013 14:12
Link
means
setspritecoloralpha(spr1,0-255)
setspritecoloralpha(spr2,255-0)
Back to top
Profile PM Email
Van B
Moderator
21
Years of Service
User Offline
Joined: 8th Oct 2002
Location: Sunnyvale
Posted: 10th Oct 2013 14:33
Link
Yeah, a little For...Next loop setting the alpha of each sprite and a sync is probably all that's needed.

You can even change the colour of a sprite - like maybe have a sprite fade to black before fading out, or have a lightning effect if you like. You can even make a copy of a sprite, change it's colour to black with 50% alpha setspritecolor(spr,0,0,0,128) and use it as a drop shadow.

I am the one who knocks...
Back to top
Profile PM Email
NoUJoe
10
Years of Service
User Offline
Joined: 8th Jul 2013
Location:
Posted: 11th Oct 2013 07:05
Link
Wow sorry I really didn't realise that these functions were in agk. Brilliant. I do have Hands On AppGameKit Basic, but I'm only about 400 pages through (im on file handling atm) and haven't reached sprite control etc in detail yet. Thanks a lot tho!!
Back to top
Profile PM
Fallout
21
Years of Service
User Offline
Joined: 1st Sep 2002
Location: Basingstoke, England
Posted: 11th Oct 2013 10:18
Link
book?! I HATE book!! book is stupid!!!

^ Sorry, old joke there for the old timers!

On a serious note, I think the actual solution has already been proposed so ignore me.
Back to top
Profile PM
Back to top

Login to post a reply

Server time is: 2024-05-07 06:01:22
Your offset time is: 2024-05-07 06:01:22