Dweets awesomed by u/fons

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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: #Opposites

show FPS hide FPS share 2 remixes fullscreen

BirdsTweetCodersDweet

function u(t) {

t?0:s=0;for(c.width|=a=1e3;a--;x.stroke())x.beginPath(),x.ellipse(900+200*C(a),500+200*S(a),100+50*S(a+s),100+50*C(a),0,0,7),s+=1e-4

Feb 2 2018 11:41 PM UTC

}// 132/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

A torus-like shape made of sin and cos spinning in 3D space. Credit to u/Xen for golfing.

u/BirdsTweetCodersDweet

Better with transparency, but 148 bytes -- t?0:s=0;for(c.width|=a=1e3;a--;x.beginPath(x.globalAlpha=.5))x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7),x.stroke(),s+=1e-4
u/BirdsTweetCodersDweet

I'm done --- t?0:s=0;for(c.width|=a=1e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4 --- 202 bytes, but full with colors and stuff, except for a weird bright area(?)... I dunno, see you all tommorow, I'm off to sleep :P
u/akm

I golfed it to 134 chars with transparency. for(c.width|=a=1e3;a--;)with(x)ellipse(960+200*C(a),540+200*S(a),90+30*S(a+t*6.2),90+30*C(a),0,0,7),stroke(),beginPath(globalAlpha=.5)
u/BirdsTweetCodersDweet

Solved the weird colors --- t?0:s=0;for(c.width|=a=2e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,2*Math.PI,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4

show FPS hide FPS share 1 remix fullscreen

BirdsTweetCodersDweet

remix of d/888 by u/jczimm

function u(t) {

c.width=1920;for(i=0;i<360;i++)for(j=0;j<6;j++)x.fillRect(960+200*C(j+i)*S(T(-t)+i),540+200*S(i+j),10,10)

Feb 1 2018 8:34 PM UTC

}// 106/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Wavey sphere :D

show FPS hide FPS share fullscreen

BirdsTweetCodersDweet

remix of d/888 by u/jczimm

function u(t) {

c.width=1920;for(i=0;i<360;i++)for(j=0;j<6;j++)x.fillRect(960+200*C(j/i)*S(T(-t)+i),540+200*S(i+j),10,10)

Feb 1 2018 8:34 PM UTC

}// 105/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Wavey square :D

show FPS hide FPS share fullscreen

BirdsTweetCodersDweet

remix of d/888 by u/jczimm

function u(t) {

c.width=1920;for(i=0;i<360;i++)for(j=0;j<6;j++)x.fillRect(960+200*C(j/i)*S(T(-t)+i),540+200*S(i),10,10)

Feb 1 2018 8:33 PM UTC

}// 103/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Golfed and now slanted :D

show FPS hide FPS share 3 remixes fullscreen

Jezza

function u(t) {

c.width|=0;x.font='99px monospace';if(!t)p=3,a=2,o=0,q=2;p+=24/a/(a+1)/(a+3)/(a+=4);x.fillText((p+o).toFixed(15),9,99);if(p>q)p-=q,o+=q;q/=2

Jan 31 2018 10:32 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

I thought I'd see if I can calulate PI in 140 chars. Math.PI is 3.141592653589793, which is 15 decimal places. 15 decimal places is precise enough to calculate the circumference of the solar system (including Pluto) with an accuracy of a meter. The formula is Nilakantha's from the 15th century. You could also just print 245850922/78256779 but doing that doesn't seem much better than just printing Math.PI.

u/donbright

#pi #math

show FPS hide FPS share fullscreen

Xen

remix of d/6352 by u/BackendForth

function u(t) {

for(c.width|=i=96;i--;)for(j=54;j--;x.fillRect(i*20,j*19,g,g))g=9+9*S(((i-t)**2+(j-49)**2)**.3+S(t)*j*Math.atan2(j*t,i-t)+t*29)

Jan 23 2018 5:05 PM UTC

}// 127/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share 1 remix fullscreen

Xen

remix of d/6330 by u/FrenchToast

function u(t) {

for(c.width|=i=59,x.globalCompositeOperation='xor'
;i--;x.fill())x.beginPath(),x.arc(960+S(_=t*i)*S(t*7)*i*2,540+C(_)*C(t*4)*i*2,i*6,0,7)

Jan 22 2018 3:55 PM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

trying for a liquid effect

u/veubeke

remixed https://www.dwitter.net/d/6356

show FPS hide FPS share fullscreen

Xen

remix of d/6305 by u/yonatan

function u(t) {

t?0:k=X=Y=9/4
for(t<9?i=1e4:i=1;i--;X=n)x.fillRect(960+X*350,540+Y*350,.2,.2),n=S(-k*Y)+C(-k*X),Y=S(k*X)+.7*C(k*Y)

Jan 22 2018 12:40 AM UTC

}// 114/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Slight tweak, Shoutz 2 yonatan.

u/yonatan

nice alpha channel trick!
u/Kevjonesin

"murmuration"

show FPS hide FPS share fullscreen

bokoskokos

function u(t) {

c.width|=0;x.translate(980,540);for(i=0;i<199;i++){x.rotate(S(t/9));x.fillStyle=R(i*3);x.beginPath();x.arc(S(t)*i,5*i*C(t),9,0,8);x.fill()}

Jan 18 2018 4:39 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share fullscreen

Xen

remix of d/6129 by u/RUNIE

function u(t) {

for(c.width|=i=0;i<64;x.fillRect((a=2e3*i/128)+S(t+i++/9)*99,a/(3+C(t)),2e3-a*2,2e3/1.5-a))x.fillStyle=R(b=i*(S(t*i/99)+3),i,b*C(t))

Jan 17 2018 11:08 PM UTC

}// 132/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

End.Of.Tunnel Shoutz RUNIE

u/Qwitter

Slightly frightening. Extra [Awesome!]
u/RUNIE

trippy :D

dwitter.net | fons (3407)