Search found 6 matches
- Fri Jul 11, 2014 6:02 pm
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
Re: New user intro / question(s) about Parallax and sprites
plx_txr_load loads pngs with either PNG_NO_ALPHA or PNG_FULL_ALPHA depending on its alpha parameter (full alpha in your case). The PT poly list only allows for 1-bit alpha (fully opaque or fully translucent). I'm guessing the missing pixels aren't fully opaque and aren't rendered because their alph...
- Fri Jul 11, 2014 5:27 pm
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
Re: New user intro / question(s) about Parallax and sprites
Just tried this now - everything appears to display correctlyTvspelsfreak wrote:Do you get the same issues if you draw everything in the PLX_LIST_TR_POLY list?
![Surprised :o](./images/smilies/icon_eek.gif)
- Fri Jul 11, 2014 2:13 pm
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
Re: New user intro / question(s) about Parallax and sprites
Thanks very much for the reply:Tvspelsfreak wrote:You might have some Z fighting going on. Try giving the sprites that should appear on top of the card a larger Z value.
I increased the z value by 1.0 for items 2),3),4) but this made no difference
![Crying or Very sad :cry:](./images/smilies/icon_cry.gif)
- Fri Jul 11, 2014 7:26 am
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
Re: New user intro / question(s) about Parallax and sprites
I don't know if BlueCrab is still following this thread (or maybe someone else can help). I've ran the attached code below on lxDream emulator and everything display on screen as I would expect it to, but as I received my SD card adapter yesterday I tried the code on my Dreamcast and got very differ...
- Tue Jul 08, 2014 4:02 pm
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
Re: New user intro / question(s) about Parallax and sprites
Thanks for the very quick reply BlueCrab :) You can use either a sprite sheet or individual textures. I don't recall ever seeing any performance benefit to one over the other, so it is more a matter of how you want to deal with your data. If you wish to use sprite sheets, then you'll need to manipul...
- Tue Jul 08, 2014 3:05 pm
- Forum: Programming Discussion
- Topic: New user intro / question(s) about Parallax and sprites
- Replies: 14
- Views: 1620
New user intro / question(s) about Parallax and sprites
Hi All Newly registered user reporting in: Name: Jim Age: 50 Location: Lancashire (UK) Never programmed the Dreamcast before and my C knowledge is beginner level. I have been reading the forums for a couple of weeks now to start learning about Dreamcast programming using C & KOS/PARALLAX librari...