Dweets awesomed by u/fujimotos

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: #Food

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arkatect

function u(t) {

W=(S(t/2)+2)*40;for(i=1;i<7;){x.fillStyle=R(C(t)*100+200,S(t)*40+190);x.fillRect(S(t/i++)*800+990,C(t*i/5)*400+110,W,W)}x.rotate(0.006*S(t))

Jul 13 2018 1:31 PM UTC

}// 140/140

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blimp

function u(t) {

for(c.width|=i=509;i--;)
x.fillRect(960+Math.PI*i*C(t/1.5-i*50),800+S(t/2+i)*i/2.*2.855,i/10,i/15)

Jul 12 2018 8:13 AM UTC

}// 98/140

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u/magna

Love this!
u/fujimotos

#swarm

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Xen

remix of d/8838 by u/DataMeta

function u(t) {

for(i=54;i--;)for(j=19;j--;x.fillStyle=R(3*W,t*Z%W*T(t),Z*3,.05),x.strokeRect(X,Y,Z,W))x.fillRect(X=i*37,Y=j*59,Z=121*C(t+j),W=121*C(2*t-i))

Jul 10 2018 5:18 PM UTC

}// 140/140

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u/DataMeta

Stained glass of the future. I like it!

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DataMeta

remix of d/8494 by u/DataMeta

function u(t) {

c.style.background=R();for(c.width|=i=33;i--;)for(j=19;j--;)
x.fillStyle=R(255-j*8,0,i*7+j*9),x.fillRect(i*60,j*60,121*C(t-j),121*C(t-i))

Jul 10 2018 12:45 AM UTC

}// 137/140

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Xen

remix of d/7687 by u/Agnes

function u(t) {

with(x)for(c.width|=i=29;i--;)for(j=13;j--;beginPath(lineWidth=j*9),arc(960,540,45*i,o=i*t+j,t%9/j+o),strokeStyle=R(t%19*j,i*j,i*7))stroke()

Jul 9 2018 7:23 PM UTC

}// 140/140

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Shoutz 2 Agnes

u/magna

Wild!
u/joeytwiddle

Oooh. Nice! :D
u/joeytwiddle

#spiral

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yonatan

remix of d/8810 by u/fujimotos

function u(t) {

c.width=-1
for(k=32;k--;)for(j=k&7,i=90;i--;x.fillRect(S(k+t+i/30+S(j))*20+45*j,S(t*5+i/9)+i*2-k+20,i/2,i))x.fillStyle=R(n=i*(32-k)/32,n*3)

Jul 6 2018 10:08 PM UTC

}// 139/140

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u/aleamb

nice! #organic #grass
u/fujimotos

Good color gradations!

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firegodjr

function u(t) {

t||x.translate(960,540)
x.fillRect(-25,-25,500*C(t),50)
x.drawImage(c,-960,-540)
x.rotate(0.001*S(t)+.001)
x.fillStyle=`hsl(${t*9},99%,50%`

Jul 5 2018 4:27 PM UTC

}// 139/140

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fujimotos

function u(t) {

c.width=320
for(j=12;j--;)for(i=90;i--;)
x.fillStyle=`hsla(99,${i}%,${i}%,.9`,
x.fillRect(S(t+i/30+S(j))*20+20*j,S(t*5+i/10)+i*2,i/2,i/2)

Jul 4 2018 1:09 PM UTC

}// 137/140

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Weird Plants

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keithclark

remix of d/8799 by u/keithclark

function u(t) {

for(L=54,c.width=L*4,Z=5;Z>0;Z-=.1)for(Y=X=L;X>-L;x.fillRect(L*2+X--/Z*9,L+Y/Z,9,L))I=C((X/2^Z+t*6)+t*7),Y+=3*I,x.fillStyle=R(0,Z*Y-I*9,255)

Jul 4 2018 12:27 PM UTC

}// 140/140

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A choppy sea!

u/sigveseb

#ocean #water
u/katkip

#waves

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keithclark

remix of d/8799 by u/keithclark

function u(t) {

for(c.width=240,Z=5;Z>0;Z-=.1)for(Y=X=-60;X<60;x.fillRect(120+X++/Z*9,45-Y/Z,1/Z*24-Z,99))x.fillStyle=R(Y-=7*C(X*.4^Z+t*6),Z*50-Y,-Y/87<<8)

Jul 3 2018 11:50 PM UTC

}// 139/140

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This one has water - not flat unfortunately. Had to trade off the pseudo-shading to fit the colour change int

u/zanella

OH MY GOD! I stayed out of Dwitter for a couple of days, and suddenly it has become Shader Toy! :)
u/hollo47

This is so good! #landscape
u/sigveseb

with water! #water
u/Cloud

WOOOOOOOOOOOOOOOOOOOOOOOW!!!!
u/rep_movsd

Underrated AF

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