Top #Ball 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.

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Current theme challenge: #ScaryMovies

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magna

remix of d/24349 by u/pavel

function u(t) {

for(i=5e3;i--;x.fillRect(960+s*X,540+s*(i&1?Y:-Y),1,1))X=2*(60*t%15-7)+C(a=i/7),Y=(4*t<<1)+S(a),s=200/Math.atan2(X*X,Y*i)

Nov 18 2021 5:19 AM UTC

}// 121/140

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u/Xen

nice!
u/UEZ

#ball #motion

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rodrigo.siqueira

remix of d/23349 by u/rodrigo.siqueira

function u(t) {

t=C(t)*2+9
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X,1,1))
o=255-X*S(X/15)*Math.hypot(X+S(t*2)*60,Y-t*5),x.fillStyle=R(K=o*3,K/3,X)

Jul 20 2021 12:27 PM UTC

}// 139/140

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Surface swapping #ball

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rodrigo.siqueira

remix of d/23332 by u/rodrigo.siqueira

function u(t) {

t=S(t*3)*8
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,55-X,1,1))o=255-X*Math.hypot(X-45+t*t,Y-48+t*6),s=C(t)/9-.4,x.fillStyle=R(-o/s,o)

Jul 16 2021 12:11 PM UTC

}// 140/140

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Bouncing Ball #bounce #ball

u/Xen

nice!!
u/donbright

funny

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pavel

remix of d/15194 by u/robbyg

function u(t) {

with(x)for(i=99;i--;clip(fill(arc(960-r,540-r,500*(1-j**3),0,7))))j=1-i/98,r=200*j,beginPath(fillStyle=`hsl(60,90%,${9+j*40}%)`)

Jul 30 2019 3:52 AM UTC

}// 128/140

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Poor man's ray tracing

u/pavel

Using clip so the light can 'spill over.'
u/katkip

#d3 #ball #sphere
u/rep_movsd

#underrated

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tomxor

remix of d/23549 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨐽𣑡𭁨𛡡𨡳𛁣𛡳𭁹𫁥𛡢𨑣𪱧𬡯𭑮𩀽𙰣𞐹𞐧𛁣𛡷𪑤𭁨𙠽𪐽𝀳𝐲𞱘🐱𛐨𭀫𪐯𜰲𚐥𜠬𦐽𛐭𪐯𜡥𜰻𮀮𩡩𫁬𤱴𮑬𩐽𚁩𧡩🠾𝠩𙠸🰧𬡥𩀧𞠧𘱦𩡦𙰬𮀮𩡩𫁬𤡥𨱴𚀶𝀪𚁘𛱲𚱡𚀲𛑴𙐴𚐫𜐩𛀹𝠭𝠴𚠨𦐯𬠫𨐨𤰨𭀩𚐩𛁫🐵𛱲𛐲𛁫𚐩𬠽𛐭𦐪𦐫𦀪𦀫𜐻`.replace(/u../g,'')))

Aug 13 2021 9:03 PM UTC

}// 140/140

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Smooth Colour #Amiga #Ball

Show more comments…
u/tomxor

If someone can squeeze in a hard shadow and a purple grid we will be done.
u/danny@hille.dk

Beautiful
u/danny@hille.dk

I distinctly remember the grid to be blue... but all the youtube videos shows it to be purple... I think it's a conspiracy :-)
u/ullo

i like
u/KilledByAPixel

dweetabase updated! https://dweetabase.3d2k.com/
u/tomxor

I can't find it now but I seem to remember reading about how emulated colours of amigas look different from real amiga video output. The emulators are probably just spitting out the RGB values and letting the host OS do the gamma etc. I suspect real amiga video output must have been a bit "coloured" which causes this difference.

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danny@hille.dk

remix of d/23513 by u/KilledByAPixel

function u(t) {

c.width=w=98;for(m=w*w;m--;x.fillRect(m%w,m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w+t*w&w)/w))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y

Aug 8 2021 3:43 PM UTC

}// 135/140

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lores #disco #ball #spere remix

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rodrigo.siqueira

remix of d/23346 by u/rodrigo.siqueira

function u(t) {

t=S(t)*3+8
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X,1,1))o=255-X*Math.hypot(X+S(t*2)*40,Y-t*5),x.fillStyle=R(o*4,o,o+S(X/9)*X*15)

Jul 17 2021 10:33 PM UTC

}// 138/140

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Ball with light effects #ball

u/magna

Love this!

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rodrigo.siqueira

remix of d/23361 by u/rodrigo.siqueira

function u(t) {

for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X*(X%2-.5)+40,1,1))
o=255-X*Math.hypot(X-35+S(t*26)*9,Y-t%3*55+11),x.fillStyle=R(o*3,o,X)

Jul 21 2021 12:21 PM UTC

}// 137/140

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Bouncing ball reflection #ball

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katkip

function u(t) {

eval(unescape(escape`𭁼𯀨𦀽𜠶𜀬𦐽𜠴𜀬𥠽𭠽𜐰𚐻𩡯𬠨𨰮𭱩𩁴𪁼👩🐰𞱩𚰫🀹𞐻𚑸𛡦𪑬𫁓𭁹𫁥👒𚀰𛁩𚠳𚐬𮀮𨡥𩱩𫡐𨑴𪀨𚐬𮀮𨑲𨰨𦀭𪐪𠰨𬠽𭀪𥠯𞐩𛁙𛑩𚡓𚁲𚐬𜠰𜀭𪐪𜠬𜀬𝰩𛁸𛡦𪑬𫀨𚐊𦀫👖𞱙𚰽𭠻𭠫🐮𝐻𪑦𚁙🠸𞀰𚑶𚠽𛐮𝠬𦐭🐹𞱩𩠨𦀾𜐷𜠰𚑖𚠽𛐮𞐬𦀭🐹`.replace(/uD./g,'')))

Aug 6 2019 9:56 AM UTC

}// 140/140

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Bouncing #sphere #shades #lighting #realistic #bounce #ball #physics

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PotatoImaginator

function u(t) {

c.width=w=480
c.style.background='#4af'
x.fillStyle=R(h=270)
x.beginPath
u=h*t
x.fill(x.arc(u%960<w?u%w:w-u%w,u%540<h?u%h:h-u%h,20,0,7))

Jun 24 2023 4:56 AM UTC

}// 136/140

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#uncompressed bouncing #ball

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