Dweets awesomed by u/Conjuror

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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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩰽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𚁷🐹𝠰𚐪𜠬𪐽𭰪𜰩𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𛠱𝐪𪑽𛀹𞐥𛀶𜀥𨀬𮁛𩱝𚁷𚰨𤰨𬐽𪐯𜰸𜐫𠰨𭀯𜠩𚠳𚐪𦠩𛰨𦠽𠰨𬐩𚡚𛐷𚐪𭰬𝐴𜀫𤰨𬀩𚡶𛱚𚡷𛁳🐱𚰲𜀰𛱚𛱚𛁳𚐩𦠽𠰨𬀽𪐯𝠳𛠶𝰫𭀩𚠨𭠽𪐥𞀯𞀫𜐩𚰳`.replace(/u../g,'')))

Jan 22 2019 12:24 AM UTC

}// 140/140

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for(x[g='fillRect'](0,0,c.width=(w=960)*2,i=w*3);i--;x.fillStyle=hsl(${.15*i},99%,60%,x[g](w+(S(q=i/381+C(t/2)*3)*Z)/(Z=C(q)*Z-7)*w,540+S(p)*v/Z*w,s=1+200/Z/Z,s))Z=C(p=i/63.67+t)*(v=i%8/8+1)+3

u/cantelope

testing out the new compressor :D
u/metamero

cool!!
u/katkip

I like that there is a cat and a mouse emoji in your code
u/iverjo

#colorful

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katkip

remix of d/11892 by u/katkip

function u(t) {

c.width*=1;for(i=64;i--;)for(j=60;j--;)
x.fillRect(600+i*20-j*10,j*10+Math.abs(32-i-S(t*5)*9)*5+Math.abs(30-j+C(t*5)*9)*5,10,10)

Jan 19 2019 7:52 PM UTC

}// 128/140

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Resizing the roof! #d3

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katkip

remix of d/11885 by u/katkip

function u(t) {

seed=4
c.width*=1;for(i=43;i--;)for(j=71;j--;)
x.fillRect(j*30+S(i/seed+t)*100-100,i*30+C(j/seed+t)*100-100,30,30)

Jan 19 2019 6:50 PM UTC

}// 114/140

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It is going up. To go down, change seed=0.02

u/katkip

Haha, this got 20 likes
u/Xen

seed=5+C(t)*2
u/katkip

The perfect straight one is seed=.0123
u/katkip

44 likes om!
u/vain

Very cool and smooth looking fx

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Nosferatu

function u(t) {

c.width=700;p=t*50;
for(i=0;i++<80;){p+=10+S((i+t*7)/12.74)*9;q=p/127.4;x.moveTo(320,200);x.lineTo(320+S(q)*190,200+C(q)*190);}
x.stroke();

Jan 6 2019 6:37 PM UTC

}// 139/140

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u/Xen

Nice!

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acorv

function u(t) {

c.width=1920;for(i=260;i>=0;i-=20){x.beginPath();r=i+(t*6)%20;x.fillStyle=R(r);x.arc(960+S(r/3)*200,540+C(r/3)*200,r*5,0,7);x.fill();}

Jul 19 2018 3:10 PM UTC

}// 135/140

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amator

function u(t) {

for(c.width|=i=100;--i;)for(j=60;--j;)
x.fillStyle=R(C(i)*150,S(j)*150,0),
x.fillRect(i*(b=25),j*b,b,(C(t*j*i/15*t)+1)*b/2)

Jul 18 2018 10:12 PM UTC

}// 123/140

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acorv

function u(t) {

c.width=400;for(i=50;i<180;i+=3){s=(t+i)*2;x.beginPath();x.fillStyle=R(i);x.arc((s*i)%500-50,200+(C(s+1.6)>0?1:-1)*S(s)*i,i/9,0,7);x.fill()}

Jul 18 2018 6:25 PM UTC

}// 140/140

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u/iverjo

#dots
u/joeytwiddle

#bounce

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mvs202

function u(t) {

c.width|=0
for(i=0;i<8;i++){
a=i+t
x.fillStyle=R(j=64*i,8,8,.3)
x.beginPath()
x.moveTo(w=960,h=540)
x.arc(w,h,h-j,a,a+3*(1+C(a)))
x.fill()
}

Jul 16 2018 12:46 AM UTC

}// 140/140

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u/lionleaf

stylish!

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New_Core

remix of d/8858 by u/New_Core

function u(t) {

b=["screen","color-burn"]
for(i=99;i--;x.globalCompositeOperation=b[i%2])x.fillStyle="#74"+i,x.fillRect(600+500*S(t+i),500+500*T(i+t),i*7,i)

Jul 13 2018 4:53 PM UTC

}// 140/140

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soggypretzels

function u(t) {

c.width|=0;for(i=999;i--;){x.globalCompositeOperation='xor';q=(i%2*2-1);x.fillRect(i*30-(q*t*9)-6000+q*i/9,q*300+(S(t+i/5)*99*q)-99,30,999)}

Jul 13 2018 12:48 PM UTC

}// 140/140

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u/magna

WOWZA!
u/joeytwiddle

#illusion

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