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Golara
Account closed
Registered: Jan 2018
Posts: 212 |
Bitmap fade in/out helper tool
I'm not sure if this question belongs here or in the graphics section, but I'll post here. Is there any tool that generates tables for fading in/out bitmaps ? The effect I want to do is to "draw" a bitmap in stripes from top to bottom (Look at the gif bellow, low fps capture, each line shows up each frame)
I'd like to make the colors darker at first, then replace them with the correct ones. Seems easy, on one frame use the bitmap color as an index into a table of the darker version of this color, on the other use the actual color. Is there some tool that helps with colors like that ? I have the worst case of coder colors, I can't make it myself however hard i tried. lol
Thanks ;) |
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Joodas
Registered: Oct 2011
Posts: 8 |
Screen Fade Editor |
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Joodas
Registered: Oct 2011
Posts: 8 |
Color Fade Editor |
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Digger
Registered: Mar 2005
Posts: 437 |
The above editors let you edit the delay values for each char ($00-$ff), then you need to generate look up tables per each combination of nibbles, so after a given delay you can update the nibbles based on the previous value, i.e. for color transition $00 > $1d:
$00 > $b6 > $ce > $ f3 > $1d
Check the source of http://csdb.dk/release/download.php?id=119154 to see how it's done (from line 456), feel free to grab my 16k fade tables ;)
It's possible to specify the order of colours that each pixel will get through before it "lands" at its specific colour i my case I turn all pixels from black $0 to white $0f, and then let them fade to their target values. |
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Dano
Registered: Jul 2004
Posts: 234 |
Fade Maid V1.0
loved to use that one. still requires the source by digger and guys to work on. easy to adapt to own needs and already used by me at times. :)
the tables i created by myself, but i will take a peek at that graph aswell. |
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enthusi
Registered: May 2004
Posts: 677 |
For this I used simple table look ups and iirc the code pre-calcs several color rams based on the original one.
Mermaid |
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v3to
Registered: Feb 2005
Posts: 150 |
Colfade Doc |
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Oswald
Registered: Apr 2002
Posts: 5094 |
I have used censor's ancient old tools for the obviously color cycled shit in Party Groove it was quite usable despite c64 based. |
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Golara
Account closed
Registered: Jan 2018
Posts: 212 |
Thanks you all. I got more than I asked for. I gotta make nice fadeins now, no excuse haha. |
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Golara
Account closed
Registered: Jan 2018
Posts: 212 |
I used the colorfade doc by Veto to generate the tables and the tool by Fade Maid to generate the delay values, the fade code and table generator is my own. I think it looks great :) Thanks you all.
https://i.imgur.com/sd7MKx3.mp4 |
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ChristopherJam
Registered: Aug 2004
Posts: 1409 |
Oh nice! |
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