Dweets awesomed by u/FrenchToast

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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FrenchToast

function u(t) {

c.width=1920;for(i=0;i<13;i++){x.fillStyle=R(S(t*2)*255,S(t)*255,S(t)*255);x.fillRect(400+i*99+S(t*2)*300,99*T(t)+500,99*T(t*9),200*S(t));}

Sep 24 2021 1:30 AM UTC

}// 139/140

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FrenchToast

function u(t) {

for(j=10;j--;){for(i=300;i--;){x.fillRect(i^2 + 1920*S(t/2),j*200 + 200*S(t*1),1,4)};};

Jan 25 2019 11:48 PM UTC

}// 87/140

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FrenchToast

function u(t) {

c.width = 2e3;
for(j=3000;j--;){
L=500 + 500*S(j/1000*t*t);
x.fillStyle=R(0,0,L%300);
x.fillRect(j,L,15,15);
}

Jan 24 2018 6:53 PM UTC

}// 110/140

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FrenchToast

remix of d/6397 by u/FrenchToast

function u(t) {

c.width|=0;for(i=820;i--;){x.rotate(t/1e3+0.16);x.beginPath();x.arc(1*S(t*2)*S(i/50),2*i,50+i,0,1.5);x.fill();x.fillStyle=R(t%200,i*t%155)}

Jan 23 2018 9:58 PM UTC

}// 139/140

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FrenchToast

remix of d/5967 by u/FrenchToast

function u(t) {

c.width|=0;for(i=620;i--;){x.rotate(t/200+1.4);x.beginPath();x.arc(350*S(t*3)*S(i/70),2*i,40+i,0,1.5);x.fill();x.fillStyle=R(t*i%200)}

Jan 23 2018 7:08 PM UTC

}// 134/140

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u/donbright

this has a cool little rhythym
u/joeytwiddle

Feathers!

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41407

function u(t) {

w=c.width;h=c.height;p=Math.random;x.fillStyle=~t%2==0?'purple':'teal';x.fillRect(p()*w,p()*h,7,7);x.drawImage(c,-10+p(),-5.1,w*1.01,h*1.01)

Jan 23 2018 6:42 PM UTC

}// 140/140

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u/donbright

thats quite interesting how it eventually evolves into little point lights
u/41407

Yeah, I came up with this trying to figure out how to implement a starfield type thing

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davidsharp

remix of d/6385 by u/davidsharp

function u(t) {

c.width=1920
x.beginPath()
x.lineWidth=10
x.strokeStyle='#f0f'
for(i=l=0;i<100;l=++i*20,e=i%2)if(l)x.lineTo(l,500+S(i*t/2)*400)
x.stroke()

Jan 23 2018 1:18 PM UTC

}// 138/140

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u/blimp

co
u/blimp

ol

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rishabhsinghal1987

remix of d/6219 by u/hemant19

function u(t) {

c.width=1920;
for(j=0;j<4;j++)for(i=0;i<10;i++)
x.fillRect(950+S(t+j-i)*400,550+S(t+i)*400,20,50*S(i-t*2))

Jan 23 2018 1:17 PM UTC

}// 106/140

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davidsharp

remix of d/6126 by u/davidsharp

function u(t) {

c.width=1920
x.beginPath()
x.lineWidth=10
x.strokeStyle='#f0f'
for(i=l=0;i<19;l=++i*100,e=i%2)if(l)x.lineTo(l,500+S(i*t)*100)
x.stroke()

Jan 23 2018 1:12 PM UTC

}// 136/140

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This was mostly a happy accident 🎉

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Knifa

function u(t) {

_=45
c.width^=0
for(i=0;i<_;i++)for(j=0;j<_;j++){$=t+S(i/8)-C(j/4)
w=S($)**.85
x.fillStyle=R(0,T($)*255,w*255)
x.fillRect(_*i,_*j,_*w,_*w)}

Jan 23 2018 9:08 AM UTC

}// 139/140

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u/aleamb

cool
u/donbright

color + width is a nice effect

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