Top dweets by u/lars-erik

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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lars-erik

remix of d/22623 by u/lars-erik

function u(t) {

c.width=w=167,f=n=>n|0,o=f(t*30+S(t)*50),b=45
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*(y+t*50*S(t/2.5)|0))%b==0)x.fillRect(z-1,y,4,4)

Apr 24 2021 3:22 PM UTC

}// 131/140

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I have no idea what I'm doing™ #4.7

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lars-erik

remix of d/22616 by u/lars-erik

function u(t) {

c.width=w=110,f=Math.floor,o=f(t*20),b=120
c.style.filter=`blur(3px`
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*y*2)%b==0)x.fillRect(z-1,y,3,3)

Apr 24 2021 1:37 PM UTC

}// 138/140

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I have no idea what I'm doing™ #4.4

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lars-erik

remix of d/22699 by u/lars-erik

function u(t) {

c.width|=0,x.lineWidth=a=12.56
for(i=z=t*5;i>=0;i-=.1)x.lineTo(960+300*C(h=i*a/z+t)+(m=200*C(i/3)),540+300*S(h/1.5)+(200*S(i/2)));x.stroke()

May 2 2021 9:52 PM UTC

}// 140/140

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Eternal curve

u/Xen

nice!

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lars-erik

remix of d/22738 by u/TGY

function u(t) {

t?c.width=2e3:a=[]
c.onclick=e=>a.push(6e2)
a.map((e,i)=>x.fill(x.arc(2e2+3*e+500+500*C(t),600+S(i)*e,e&&(a[i]-=e/20),0,6.3))|x.closePath())

May 10 2021 2:31 PM UTC

}// 140/140

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Having fun with TGY's ball blaster. Shoot some rays!

u/aleamb

#interactive

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lars-erik

remix of d/22571 by u/contone

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜐲𜀰𒡸𛡴𬡡𫡳𫁡𭁥𚀨𞐹𛑴𚠲𜀰𯀰𚐥𜡥𜰫𜑥𜰬𫠽𞐹𚐊𩡯𬠨𪐽𫠻𪐭𛐻𮀮𨑲𨰨𪀬𜀬𝀰𛀰𛀷𚐬𮀮𬑵𨑤𬡡𭁩𨱃𭑲𭡥𥁯𚁨𛑮𛀰𛁨𚱓𚁴𚠲𚱩𚐪𫠬𠰨𭀪𜠫𪐩𚠵𞐫𫠩𚑸𛡭𫱶𩑔𫰨𪀽𪐪𞐬𜀩𒡸𛡳𭁲𫱫𩐨𚐻`.replace(/u../g,'')))

Apr 20 2021 2:04 PM UTC

}// 125/140

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Crawling centipede. 🐛💨

u/lars-erik

Uncompressed: c.width=1200 x.translate((99-t*200|0)%2e3+1e3,n=99) for(i=n;i--;x.arc(h,0,40,0,7),x.quadraticCurveTo(h-n,0,h+S(t*2+i)*n,C(t*2+i)*59+n))x.moveTo(h=i*9,0) x.stroke()

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lars-erik

remix of d/22561 by u/lars-erik

function u(t) {

t<3.8?x.fillRect(890+(t-=1.9)*200,500+((.8*t)**4-t*t-.1)*400,15,45):[1,0].map(i=>x.fill(x.ellipse(775+i*250,700,50,C(t)*30+30,0,0,7)))

Apr 19 2021 10:35 PM UTC

}// 134/140

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#Cat wakes 🐱‍💻😸 no. 2 golfed

u/magna

Awesome!

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lars-erik

remix of d/22464 by u/lars-erik

function u(t) {

for(c.width|=i=2e3;i-=5;x.lineTo(960+C(z=.017*(5*t+i)**1.36)*i/2,512+S(z)*i/2));x.stroke()

Apr 13 2021 7:20 PM UTC

}// 90/140

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Pointy spiral using u/Xen's golfed version with 1.4 exp instead

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lars-erik

remix of d/22613 by u/lars-erik

function u(t) {

c.width=w=128,f=Math.floor,o=f(t*20),b=30
c.style.filter=`invert(90%)`
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*y)%b==0)x.fillRect(z-1,y,4,4)

Apr 24 2021 1:53 AM UTC

}// 139/140

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I have no idea what I'm doing™ #4.2

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lars-erik

remix of d/22615 by u/lars-erik

function u(t) {

c.width=w=128,f=Math.floor,o=f(t*20),b=120
c.style.filter=`blur(6px)`
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*y)%b==0)x.fillRect(z-1,y,4,4)

Apr 24 2021 1:55 AM UTC

}// 137/140

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I have no idea what I'm doing™ #4.3

u/lars-erik

Need fullscreen on phone.
u/erin

you can remove the right colon on blur(6px) to save a byte
u/erin

change it to blur(6px

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lars-erik

function u(t) {

eval(unescape(escape`𪑦𚁴🀳𛠶𚑻𭀭🐱𛠸𞱸𛡦𪑬𫁒𩑣𭀨𜐲𝐰𚰨𛐱𛠸𚱴𚐪𜠰𜀬𝐰𜀫𚀨𛐰𛠱𚰨𜀮𞀪𭀩𚠪𝀭𭀪𚠲𚐯𚀭𝐯𜐰𚐩𚠭𜠰𜀬𘀱𝐬𘀴𝐩𯑥𫁳𩑻𩡯𬠨𪐽𜠻𪐭𛐻𮀮𨑲𨰨𝰵𜀫𪐪𜰰𜀬𝠰𜀬𝐰𛀰𛀶𛠲𞀩𚑸𛡦𪑬𫀨𚑽`.replace(/u../g,'')))

Apr 19 2021 10:23 AM UTC

}// 120/140

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Cat! 🎉🙈

u/lars-erik

Uncompressed
u/lars-erik

if(t<3.6){t-=1.8;x.fillRect(1250+(-1.8+t)*200,500+((-0.1+(0.8*t)**4-t**2)/(-5/10))*-200, 15, 45)}else{for(i=2;i--;x.arc(750+i*250,600,50,0,6.28))x.fill()}
u/erin

cute

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