Top #sprite dweets

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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FireFly

function u(t) {

for(i=2e3;!t&&i--;Math.random()>(X**2+(Y-4)**2)**.5/6&&f(7)+f(-7))X=i&3,Y=i>>2&7,f=m=>x.fillRect(240*(i>>5&7)+120-X*m,180*(i>>8)+50+Y*7,7,7)

Aug 20 2017 3:53 PM UTC

}// 140/140

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Spritegen! Generates 48 random sprites each time the dweet is run (make a change to rerun the dweet)

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u/sigveseb

I love this!
u/alien

wait WHAT !!
u/alien

D: What is going on here!! how
u/iverjo

How does it work?
u/FireFly

It's a dweetification of an older sprite generator of mine. The idea is to take a "mask" of 0..1 floats and filter a grid of random numbers for when num<mask. In this case the mask is based on euclidean distance from centre. This is done for half the sprite, and then the other half is just mirrored
u/FireFly

(You could also view it as flipping a biased coin for each mask value, with the bias given by the mask)
u/FireFly

The same principle would work just as well with larger sprites too, and more exotic/interesting mask shapes. The same rid of random numbers could be applied to different masks, or to an animated mask, to produce an animation between sprites, too!
u/nystrand

so cool!
u/joeytwiddle

Awesome. I love it. Every single one looks like a space invader!
u/iverjo

Interesting technique. Thanks for explaining :) Also, I agree with joeytwiddle
u/jick

Got a link to the original sprite generator?
u/FireFly

I never really wrote it to be shared, so it's all hardcoded and with really ugly code. I put together this animation though: https://twitter.com/FireyFly/status/80072288…
u/statenlogic

Simple, but effective! Makes me want to play 8-bit games again.
u/donbright

genius
u/joeytwiddle

#hiddengem
u/stiaje

#witchcraft
u/tomxor

#bitmap #sprite
u/KilledByAPixel

#generative pixelart
u/KilledByAPixel

#pixelart

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Exca

remix of d/6153 by u/BackendForth

function u(t) {

c.width|=0
for(i=77;i--;){q=i%7
if(('¾i989i¾'.charCodeAt(e=i/7|0)>>q)%2)x.fillRect(e*90*S(t)+900+S(t)*280,-q*90+840+C(t)*180,90,90)}

Jan 17 2018 9:15 PM UTC

}// 136/140

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u/joeytwiddle

#alien #spaceinvaders #sprite

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tomxor

function u(t) {

b='㰐䘀䍠Ⅳ冘⫘ݠ᪸㿌چ筂ᬢ橒⠬'
eval(unescape(escape`潮浯畳敭潶攽攽㹵㵥㭣⹳瑹汥㴧捵牳潲㩮潮攧㬠景爨挮睩摴栽椽㌲〻椭ⴻ⤠戮捨慲䍯摥䅴⡙㵩㸾㐩㸾⡘㵩☱㔩☱☦⁸⹦楬汒散琨堫⡵⹸㸾ㄩⱙ⬨甮社㸱⤬ㄬㄩ`.replace(/u(..)/g,"$1%")))

Mar 10 2019 1:39 AM UTC

}// 137/140

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Hi Bee :) #atari #retro

Show more comments…
u/tomxor

I also have a colour one which induces far more nostalgia, alas, it's 200 chars.
u/tomxor

Move your mouse
u/tomxor

Inspired by d/12618
u/DataMeta

Neat!
u/katkip

So #cute
u/magna

Related: d/10864
u/magna

Also related: d/3271
u/magna

Aaand: d/2633
u/magna

I think we have enough to write a full emulator now.
u/tomxor

:D I wish we could amalgamate dweets into a super dweet! We could build the GEM desktop 140 chars at a time.
u/tomxor

#bitmap #sprite
u/tomxor

#mouse
u/tomxor

#bee
u/tomxor

#pixelart

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tomxor

function u(t) {

c.width=384;for(i=800;i--;)"߿蠀￱衁	衂	衂	蠂ŉ蠂蠂䅉蠂␉蠂⠉蠂⠉蠂␉蠂 衂䅉衂䂉衂腉衂	衂	衂	衂￱蠁蠀߿".charCodeAt(i>>4)>>i%16&1&&x.fillRect(180+(i>>5),96|i&31,1,1)

Mar 18 2019 12:51 AM UTC

}// 140/140

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128k Sad Mac #mac #retro

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Odog8

remix of d/21661 by u/Odog8

function u(t) {

t?x.fillRect(y%16+1,~~(y/16)+1,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split``.reverse()[y++%8]/3):(c.width=40,y=0)

Feb 15 2021 12:33 AM UTC

}// 140/140

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Boo Ghost! 4 colors!

u/tomxor

#pixelart #sprite
u/rodrigo.siqueira

~~(y/16)+1 can be changed to y/16 with almost no difference
u/Xen

slight golf t?x.fillRect(y%16,y/16,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split.reverse()[y++%8]/3):y=c.width=28

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tomxor

remix of d/12717 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𪐽𜠵𝠻𪐭𛐻𨰮𬱴𮑬𩐽𙱢𨑣𪱧𬡯𭑮𩀺𘰰𡠰𙰩𮀮𩡩𫁬𤡥𨱴𚀱𜠸𯁩𙠱𝐬𝠴𯁩🠾𝀬𜐬𘐡𚁸𛡦𪑬𫁓𭁹𫁥👛𛁒𚀩𛀧𘱆𡡆𙱝𦰢𱲤񌢢𺑺𒀚񉣯𰃦𶂠񊃩𱣎𶂉񃒗𹃎񉒤񂲗𾳦𮑃񉢘񌓩𶁼񅣩𰢡𶂘񉢕񋃨񌀂񌠢𛡣𪁡𬡃𫱤𩑁𭀨𪐯𝐩𛰳𚠪𚁩𙐵𚐥𜱼𜁝𚐩`.replace(/u../g,'')))

Jun 16 2020 3:35 PM UTC

}// 139/140

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Hi Bee :) #atari #retro colour

u/tomxor

Finally managed to fit a colour version, I love this little bee :)
u/tomxor

#bee
u/tomxor

#sprite
u/tomxor

#pixelart

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tomxor

function u(t) {

c.width=384;for(i=800;i--;)"߿蠀￱衁	衂	衂	蠂	蠂Ɖ蠂 蠂䀉蠂䠉蠂侉蠂䀉蠂 衂	衂Ɖ衂	衂	衂	衂	衂￱蠁蠀߿".charCodeAt(i>>4)>>i%16&1&&x.fillRect(180+(i>>5),96|i&31,1,1)

Mar 18 2019 12:50 AM UTC

}// 140/140

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128k Happy Mac #mac #retro

u/tomxor

Computer interfaces used to be so much more cute :)
u/tomxor

#bitmap #sprite
u/tomxor

#pixelart

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tomxor

function u(t) {

b='0Jĉ߄߀῰㿸㾸翼翼㯸㯸ᷰ࿠΀'
c.width=320;for(i=t<2?256:1024;i--;)
b.charCodeAt(Y=i>>4&15)>>(X=i&15)&1&&
x.fillRect(X+(i>>8<<4),Y+82,1,1)

Mar 12 2019 1:39 AM UTC

}// 128/140

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Oops #atari #retro

u/tomxor

0x010 Illegal Instruction
u/tomxor

#bitmap #sprite
u/tomxor

#pixelart

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Odog8

function u(t) {

T=16
t?0:c.width=90
S=~~(t*60);x.fillRect(S%T+1,1+S/T|0,"ϠȁǿϰȿϏϤļϿϣϾ΃ǸȀΠ09c΃aϠ".charCodeAt(S/10)>>S%10&1,1)

Sep 26 2020 3:15 AM UTC

}// 112/140

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peace out!

u/katkip

#sprite #compressed

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danny@hille.dk

function u(t) {

for(c.width=i=192;i--;)for(p=9;p--;)('༏ఃࠁࠁϼݮ୭෻ง෻ਅ۶ࡡඛ๧'.charCodeAt(Y=i%16)>>(X=i>>4))%2||x.fillRect(p*18+X+99*S(t)+18,40+Y*2,1,2)

Jul 17 2021 2:38 PM UTC

}// 129/140

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#default kid #sprite

u/danny@hille.dk

#pixelart

dwitter.net | #sprite