Dweets awesomed by u/sfz

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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New_Core

function u(t) {

x.beginPath();x.strokeStyle=R(0,a=255*(t%1),a);x.ellipse(960,540,b=99+9*S(a=t*9),b*.9,t,0,7),x.stroke();x.drawImage(c,-5,-3,1920+10,1080+6)

Dec 11 2016 10:20 AM UTC

}// 139/140

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u/iverjo

Spectacular! I want to make a remix of this
u/lionleaf

Amazing!
u/13thptr

#tunnel

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New_Core

function u(t) {

a=t-.01;if(t<6)a=t-10;x.fillStyle=R(250,100,250);x.fillRect(1000,1079,1,1);x.drawImage(c,10*S(t),a);

Dec 2 2016 10:51 AM UTC

}// 100/140

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u/iverjo

Very nice! I made a golfed version: x.fillStyle=R(b=250,100,b);x.fillRect(b*4,1079,1,1);x.drawImage(c,10*S(t),t<6?t-10:t-.01)

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New_Core

function u(t) {

if(!t)s=["The","Worst","Zoomtext","Ever","Made",";)"];c.width=500;z=250/(250-60*t%250);x.font=10*z+'pt a';x.fillText(s[~~(t*.24)%6],0,200);

Nov 22 2016 10:31 PM UTC

}// 139/140

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u/iverjo

128 characters: c.width=500;z=250/(250-60*t%250);x.font=10*z+'pt a';x.fillText("The|Worst|Zoomtext|Ever|Made|;)".split('|')[~~(t*.24)%6],0,200);
u/New_Core

ah yea, I was thinking of using the split but didnt think it would fit as nicely as you showed it.. good one =)
u/iverjo

115 characters: c.width=500;x.font=250/(25-6*t%25)+'pt a';x.fillText("The|Worst|Zoomtext|Ever|Made|;)".split('|')[0|t*.24%6],0,200)
u/New_Core

#text #zoom

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,.2);x.fillRect(0,0,b,b);for(i=20;i--;)x.beginPath(),x.ellipse(1e3,f=500,f+f*S(g=i*.1+t),f+f*C(g),t,0,6.3),x.stroke()

Oct 30 2016 9:36 AM UTC

}// 140/140

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u/iverjo

Rad!

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New_Core

function u(t) {

a=c.width=240;while(a--)x.fillStyle=R(s=70+99*S(a+60*S(b=t+a*.01)+t),s+80*C(b),s+80*S(b),1),x.fillRect(a,0,1,152);

Oct 27 2016 7:52 PM UTC

}// 114/140

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New_Core

remix of d/436 by u/New_Core

function u(t) {

a=c.width=99;d=x.getImageData(0,0,a,a);for(i=3e4;i--;)d.data[i]=i%396+[S(q=i/5e3+t)*.6,S(q+t)*.3,S(q+t*4),i][i%4]*a;x.putImageData(d,0,0)

Oct 21 2016 10:40 AM UTC

}// 137/140

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u/lionleaf

Cool! I like these colours better than the original
u/iverjo

#plasma

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New_Core

function u(t) {

c.width=2e3;o=Date().split(/[ :]/);for(i=3;i--;){q=o[i+4]*0.105;if(i<1)q=q*5;x.moveTo(1e3,f=500);x.lineTo(1e3+f*S(q),f-f*C(q));x.stroke()}

Sep 23 2016 9:15 AM UTC

}// 138/140

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u/lionleaf

Oh awesome! It's actually correct as well
u/New_Core

#clock

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New_Core

function u(t) {

c.width=2e3;for(i=132;i--;)x.fillStyle=R(255*S(0.5*i%11+t),255*S(0.5*i%12+t),255*S(-0.5*i%12+t)),x.fillRect(500+i%11*100,i%12*99,90,90)

Sep 10 2016 6:13 AM UTC

}// 135/140

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Colorful but not a diamond shape as the https://dwitter.net/d/440 inspiration.

u/iverjo

Updated the 440 dweet (no black bar on top anymore): https://dwitter.net/d/448
u/blackhalt

8)

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,0.1);x.fillRect(0,0,b,b);x.beginPath();for(i=b;i--;)x.lineTo(i/2*C(t)+i*S(g=t+i)+960,i/4*S(t)+i*C(g)+540);x.stroke()

Aug 21 2016 3:10 PM UTC

}// 140/140

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Show more comments…
u/iverjo

Dat tunl!
u/New_Core

maybe its a spinning chinese hat from top
u/iverjo

You're right, I can trick my brain into beliving that. Funky! It's like one of those illutions where you see different things based on how you look at it/think of it
u/iverjo

*believing
u/iverjo

Dwitter really needs an "edit comment" feature :P
u/lionleaf

Wow!!
u/giel

Nice!
u/lionleaf

#rotation #hat #in_or_out #lighting
u/joeytwiddle

#shiny
u/vain

Wow! Very nice!

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sigveseb

remix of d/405 by u/sigveseb

function u(t) {

for(n=c.width=i=2e3;i--;x.lineTo(1e3+n*X/Z,560+n*U/Z))F=S(i),U=C(i),V=i%5-2,Z=V*C(t)-F*S(t)+12+9*S(t/2),X=V*S(t)+F*C(t);x.stroke()

Aug 7 2016 2:04 AM UTC

}// 130/140

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u/iverjo

Very impressive!

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