Dweets awesomed by u/Leodude123

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: #Opposites

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hakluke

function u(t) {

c.width=1920
for (let i = 0; i < 100; i++) {
x.arc(20*i, 500, 100*t, 0, t*0.5* Math.PI);
x.stroke()
}

Jul 29 2021 2:59 PM UTC

}// 101/140

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Circles

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rodrigo.siqueira

remix of d/23430 by u/rodrigo.siqueira

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,1))r=((X=i/540-1.8)*X+Y*Y)/30,x.fillStyle=`hsl(${(K=T(Y/r|X/r)*2)*6+i/6},59%,${99*S(K*3)**4}%`

Jul 29 2021 2:59 PM UTC

}// 136/140

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Inverted #sierpinski color remix 2

u/taupelink

wow!!
u/danny@hille.dk

Nice!

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Leodude123

remix of d/16787 by u/KilledByAPixel

function u(t) {

c.width|=i=0
x.font='5em arial'
'eeeeeeeeeeeeeeeeeeeeeeeeee'.split('').map(c=>x.fillText(c,9+(I=i%13)*150,400+S(I+t)*159+200*(i++/13|0)))

Jul 29 2021 1:25 PM UTC

}// 137/140

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Leodude123

remix of d/23419 by u/TGY

function u(t) {

a='t y e e'
eval(unescape(escape`󭼽󨼮󭽩󩍴󪌪󟜱󞽩󩬨󘝴󚝦󫽲󚍭󟝛󜍝󛍩󟜷󞽩󛜭󞽷󛜽󜼰󜌩󫜮󬍵󬽨󚍷󛍷󛍷󚜻󫜮󫝡󬌨󚍯󛍩󚜽󟭻󬼽󦼱󜌬󜼬󝜬󞍝󦽴󟝩󟼱󚽩󙜳󞬰󧜻󮌮󩭯󫭴󟝳󚼧󨽭󘍳󙼻󮌮󩭩󫍬󥍥󮍴󚍡󛭳󬍬󪝴󨌠󨍛󭍝󛍭󦽩󧜽󫼼󛜱󜬰󟽷󞭳󟌹󟽯󛝳󞬰󛍳󚬹󞜩󯜩`.replace(/u../g,'')))

Jul 29 2021 1:06 PM UTC

}// 140/140

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Yeet

u/taupelink

A yeet dweet? Neat!

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Leodude123

remix of d/21769 by u/Leodude123

function u(t) {

c.width=b=255
a=T(t)*85
for (var i = 0; i < 55; i++) {x.fillText('timeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',a-50,i,a),x.fillText('timeee',a,99)

}

Jul 29 2021 1:00 PM UTC

}// 140/140

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Leodude123

remix of d/23424 by u/Leodude123

function u(t) {

c.width|=b=0
x.scale(20,20)

fillStyle=R(S(t)*b,T),fillText('E',a,70,12),fillText('',a,80)

Jul 29 2021 12:34 PM UTC

}// 91/140

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Leodude123

remix of d/20194 by u/Leodude123

function u(t) {

c.width|=b=0
x.scale(20,20)

a=T(t)*60

with(x)fillRect(80,0,b,b),fillStyle=R(S(t)*b,T),fillText('E',a,70,12),fillText('',a,80)

Jul 29 2021 12:34 PM UTC

}// 128/140

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TGY

function u(t) {

a='🏎 🗻 🌳 🏠'
eval(unescape(escape`󭼽󨼮󭽩󩍴󪌪󟜱󞽩󩬨󘝴󚝦󫽲󚍭󟝛󜍝󛍩󟜷󞽩󛜭󞽷󛜽󜼰󜌩󫜮󬍵󬽨󚍷󛍷󛍷󚜻󫜮󫝡󬌨󚍯󛍩󚜽󟭻󬼽󦼱󜌬󜼬󝜬󞍝󦽴󟝩󟼱󚽩󙜳󞬰󧜻󮌮󩭯󫭴󟝳󚼧󨽭󘍳󙼻󮌮󩭩󫍬󥍥󮍴󚍡󛭳󬍬󪝴󨌠󨍛󭍝󛍭󦽩󧜽󫼼󛜱󜬰󟽷󞭳󟌹󟽯󛝳󞬰󛍳󚬹󞜩󯜩`.replace(/u../g,'')))

Jul 28 2021 7:12 PM UTC

}// 140/140

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parallax

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tomxor

remix of d/23413 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𠐽𠠽𥐽𥠽𜀻𪐭𛐻𪰽𤰦𤠼𝐿𛠱𜠵𛑒𛰴𜀺𜀬𥐭👫𚡡𛁖𛐽𪰪𨠩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛁓𯁒🀵𚐬𤰽𥀨𥀨𠰨𦀯𜐰𚐪𠰨𦐯𞐫𭀩𚐩🁙𛰹𛐳𚰳𚡃𚁴𚐬𤠽𣑡𭁨𛡨𮑰𫱴𚁡👘𛑁𛁢👙𛑂𚐻𠐫👕𚱷𛁂𚰽𥠪🐮𞐬𠐥👷𛁖𚰽𛠱`.replace(/u../g,'')))

Jul 28 2021 12:57 AM UTC

}// 140/140

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"This Thing" Capturing a Marble #Physics

u/magna

!!!
u/katkip

OMG

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𚁁👂🐸𛁕👖🐰𚐻𪐭𛐻𪰽𥀦𤠼𝐿𛠲𝐭𤠯𜠰𞠰𛁕𛐽𪰪𨐬𥠭👫𚡢𚑸𛡦𪑬𫁒𩑣𭀨𦀽𪐥𭰬𦐽𪐯𭰬𜐬𥁼𤠼𝐩𛁔👓𚁘𛰶𚐫𠰨𦐯𝠩𚱙𛰶🠸𛁒👍𨑴𪀮𪁹𬁯𭀨𨐽𦀭𠐬𨠽𦐭𠠩𞱁𚰽𥐬𠠫👖𛁁𚰽𭰬𠐥👷𛁖𚰽𛠱𜠵`.replace(/u../g,'')))

Jul 28 2021 12:08 AM UTC

}// 134/140

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Impossible Marble #Physics

u/tomxor

Inspired by d/23398. Uses raster/2d-voxel based intersection
u/Xen

love it!
u/magna

HOW?!
u/katkip

how
u/tomxor

It's particle physics, but the collisions are with implicit volumes. So rather than checking against a specific object, each pixel is intersected with the circle, if the pixel is filled and intersects, then it contributes velocity to the particle along the collision normal (the vector between the pixel and the point), the deeper the intersection based on the radius the greater the contribution... this is not correct at all and creates lots of phantom momentum, but is very simple and shares the code with drawining the screen.

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