Dweets by u/django

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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django

function u(t) {

c.style.background=R()
c.width^=0
x.strokeStyle=R(255,99)
x.font='20cm"'
for(i=3;i--;)x.lineWidth=(C(t)+S(t^i))*35,x.strokeText('🎃',450,780)

Oct 26 2020 1:53 AM UTC

}// 140/140

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flashing neon pimpkin

u/django

remix of d/10218 by u/katkip #pumpkin

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django

function u(t) {

w=c.width*=1
g=(l,v,f)=>l<1?0:f(v+g(l-1,v,f))
for(i=0;i++<3000;)
x.fillRect(w/2.2*g(2,g(3,t,C)-i/3,C)+w/2.2,540+S(t)*200*C(i),40,40+30*C(i))

Mar 2 2020 3:29 AM UTC

}// 140/140

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3-Ribbon

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django

function u(t) {

g=(l,v,f,b)=>l<1?0:f(v+g(l-1,v,l&1?b:f,l&1?f:b))
k=(t/3.1)|1;for(i=0;i++<20;)x.fillRect(960+g(7,n=t-i/100,C,S)*30*k,540+g(2,n,S,C)*40*k,9,9)

Mar 2 2020 3:12 AM UTC

}// 140/140

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Topography sketch. its not quick, but i think its cool #140

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django

remix of d/15467 by u/django

function u(t) {

w=c.width*=1;k=80;f=w/k
for(i=0;i<k;i++)for(j=0;j<k;j++)p=j/k,x.fillStyle=R(0,p*255,128),x.fillRect(i*f,540,f,(1-p)*C(T(i-j)+S(i*t/4))*1e3)

Feb 25 2020 2:29 AM UTC

}// 139/140

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wake

u/Xen

wanna hashtag drugs and ocean but i'm behaving, love this! bottom half blended smoothly.

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django

function u(t) {

w=1920;h=1080;if(t>=3.3)return;
for(i=0;i++<10;)j=C(t/2)*S(i/2)*h/3+w/2-4,k=S(t/2)*C(i/2)*h/3+h/2-4,
x.fillRect(j,k,8,8)

Feb 24 2020 7:33 AM UTC

}// 120/140

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freeze frame

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django

function u(t) {

s=60
i=(c.width*=1)/s
j=h=1080/s
h=j|=0
w=i|=0
for(;i--;)for(j=w;j--;)x.fillStyle=R(S(j-i*t)*255,0,C(-i-j*t)*255),x.fillRect(i*s,j*s,s,s)

Feb 17 2020 4:45 AM UTC

}// 137/140

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rotate

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django

remix of d/17628 by u/Cloud

function u(t) {

c.style.filter=`blur(40px)contrast(300)`
for(c.width|=i=20;i--;){x.fillStyle=R(80,99)
x.fillRect(1320*S(t/3+i),880*C(t/3+i/.3),500,500)}

Feb 17 2020 1:29 AM UTC

}// 136/140

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amoeba

u/13thptr

#metaballs frenzy 2020

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django

remix of d/15682 by u/django

function u(t) {

with(x){w=c.width*=1;w/=2;h=540;
for(i=0;i<920;i++){a=(S(t+i+C(t-i+S(t+i)))+1)*w;b=(C(t-i+S(t+i+C(t-i)))+1)*h;
fillRect(a-5,b-5,10,10)}
}

Sep 10 2019 11:11 PM UTC

}// 137/140

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twisted

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django

remix of d/15681 by u/django

function u(t) {

with(x){w=c.width*=1;w/=2;h=540;

for(i=0;i<90;i++){a=(S(t+i+C(t))+1)*w;b=(C(t+i)+1)*h;
fillRect(a-5,b-5,10,10)}

}

Sep 10 2019 11:06 PM UTC

}// 115/140

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procession

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django

function u(t) {

with(x){w=c.width*=1;w/=2;h=540;
beginPath();
for(i=0;i<800;i++){a=(S(t+i+(t/20)*C(t-i))+1)*w;b=(C(t+i)+1)*h;
lineTo(a-5,b-5)}
stroke();
}

Sep 10 2019 11:00 PM UTC

}// 138/140

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elasticity

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