Satan Ball (Кровавыш)

alko · Post by **alko** » Mon May 16, 2016 11:42 am

BreakOut-clone based on the biblical mythology.

More info:
http://alko-art.ru/2016/05/14/satan-bal ... vyj-myach/

Online-demo:
http://alko-art.ru/emulator/

haroldoop · Post by **haroldoop** » Mon May 16, 2016 11:06 pm

Nice graphics!

Stef · Post by **Stef** » Tue May 17, 2016 10:55 am

Well done

Nice graphics and good animation as well, looks like you have many sprites on screen in some place

alko · Post by **alko** » Tue May 17, 2016 5:14 pm

More effects

SegaTim · Post by **SegaTim** » Tue May 17, 2016 7:51 pm

Rotations tiles code - ASM?
Код вращения спрайтов/фонов на АСМе?

Stef · Post by **Stef** » Tue May 17, 2016 8:27 pm

Vertical column scrolling + horizontal line scrolling

alko · Post by **alko** » Wed May 18, 2016 7:20 am

SegaTim wrote:Rotations tiles code - ASM?
Код вращения спрайтов/фонов на АСМе?

Спрайты не вращаются. Да и на сеге они никогда не вращались. Боссы той же Contra hard corps, Gunstar Heroes, Exo-Squad, Red-Zone и т.д. - с пре-рендеренными поворотами сегментов.

А фоны, как уже было сказано выше:

Stef wrote:Vertical column scrolling + horizontal line scrolling

Полный оборот таким алгоритмом не сделаешь, так как картинка сильно исказится (из-за ограничения вертикального скролла). Для полного оборота на 360 градусов нужны своего рода mip-maps для определённого угла вращения ( ну, это моё мнение).

Stef · Post by **Stef** » Wed May 18, 2016 7:29 pm

That indeed limit the rotation to somehow -15°/+15°, above this range the deformation become too important, but i guess that is the effect you used here ?

alko · Post by **alko** » Wed May 18, 2016 9:04 pm

I used just vertical 16px and horisontal 1px scroll's, nothing else.
just like there:
https://youtu.be/mNw45LAGtBo?t=416
https://youtu.be/IjcwQ8uvdMA?t=2248
https://youtu.be/QViCyu7A6t0?t=132
https://youtu.be/NcL_kM9twZk?t=449

etc.

alko · Post by **alko** » Wed May 18, 2016 9:06 pm

a unique case with complete rotate 360'
https://youtu.be/OGDtViPngi8?t=217

there can be seen the prerender on certain areas.

Sik · Post by **Sik** » Thu May 19, 2016 10:00 am

Overdrive is using DMA to get 4px columns, though (the prerotated steps are 22.5º, to give an idea).

Stef · Post by **Stef** » Fri May 20, 2016 12:02 pm

alko wrote:I used just vertical 16px and horisontal 1px scroll's, nothing else.
just like there:
https://youtu.be/mNw45LAGtBo?t=416
https://youtu.be/IjcwQ8uvdMA?t=2248
https://youtu.be/QViCyu7A6t0?t=132
https://youtu.be/NcL_kM9twZk?t=449

etc.

That was what i meant by vertical column scrolling and horizontal line scrolling

Just using the full MD scrolling capabilities allow you to get that effect

dink · Post by **dink** » Tue Jun 14, 2016 12:58 am

Where is the rom at?

alko · Post by **alko** » Wed Jun 15, 2016 11:02 am

dink wrote:Where is the rom at?

the game is not finished.
For switching levels necessary recompile source-code.
Also, I'm going to write the music - black-metal cover's (for now there is only one track).

Matej · Post by **Matej** » Sun Jun 26, 2016 10:12 am

Reminds me graphics from Shadow Of The Beast trilogy (Psygnosis) or Giger... I like that type of art.

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Satan Ball (Кровавыш)

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