Dweets by u/New_Core

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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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=500;for(i=40;i--;)x.beginPath(),x.arc(250+30*S(a=t+i%2),125+30*C(a*.8),21*(i%19),0,7),x.lineWidth=17,x.strokeStyle=R(i*8),x.stroke()

Oct 9 2016 3:06 PM UTC

}// 140/140

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u/iverjo

Rad!

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New_Core

function u(t) {

w=c.width=1e3;b=P=>Math.pow(P,P);for(i=w;i--;)r=b(b(q=Math.abs(C(~~t%20*i/4)/2),1)+b(q,2),-1/1),x.fillRect(500+r*C(i)*50,250+r*S(i)*50,3,3);

Oct 1 2016 7:15 PM UTC

}// 140/140

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u/sigveseb

nice
u/iverjo

The sun!
u/iverjo

Btw, I'm looking forward to this: https://developer.mozilla.org/en-US/docs/Web…
u/iverjo

When browsers catch up, we can do a**b instead of Math.pow(a,b)
u/rep_movsd

FWIW double star exponentiation works on all current browsers I think

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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) {

q=c.width=2e3;x.fillRect(0,610,q,10);x.translate(-120+t%16*150,500-Math.abs(40*S(t*2)));x.rotate(t);x.font='250px A';x.fillText("❎",-125,95)

Sep 12 2016 3:47 PM UTC

}// 140/140

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a bit boring but try also some other squares like ⚿ ⛋ ⛞ ⛾ ⛚ ➕

u/iverjo

Creative!

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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) {

b=c.width=2e3;for(i=0;i<9;i++){a=545+i*100+S(t)*900;if(a>(d=b-55-(9-i)*55))a=d;if(a<(e=i*55))a=e;x.fillRect(a,400,50,200)}

Sep 4 2016 3:45 PM UTC

}// 122/140

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u/13thptr

#default

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New_Core

function u(t) {

c.width=2e3;q=150*C(t)+300;x.translate(1e3,500);x.rotate(t);for(i=220;i--;)x.fillRect(i%22*q-q*11,i%20*q-q*11,q,q)

Aug 29 2016 9:13 PM UTC

}// 114/140

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a shorter version with zoom and centerd of my first dweet

u/iverjo

Awesome!
u/lionleaf

I'm getting a slight hint of vertigo here :D
u/New_Core

#checkerboard
u/Lazy1337

#rotozoom

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New_Core

function u(t) {

a=c.width=100;d=x.getImageData(0,0,a,a);p=d.data;for(i=3e4;i-=4;)b=a*S(i/5e3+t),q=i%400,p[i]=b+q,p[i+1]=-b+q,p[i+3]=i;x.putImageData(d,0,0);

Aug 24 2016 3:40 PM UTC

}// 140/140

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A 2 color plasma, couldnt fit the 3:d color

u/icecuber

Can you fit the 3:d color with this (reduced 21 bytes)? a=c.width=99;d=x.getImageData(0,0,a,a);for(i=3e4;i--;)d.data[i]=i%396+[b=S(i/5e3+t),-b,,i][i%4]*a;x.putImageData(d,0,0)
u/New_Core

nice.. that is much better
u/New_Core

a 3 color test added on icecubers code 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)*0.6,S(q+t)*0.3,S(q+t*4),i][i%4]*a;x.putImageData(d,0,0)
u/iverjo

Nice :) I find your attempt at plasma better than mine: Btw, you can replace 0.6 with .6 and similarly for 0.3
u/iverjo

https://dwitter.net/d/48

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