Dweets awesomed by u/wclang

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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CliffJonesJr

function u(t) {

M=245
x.font='99px A'
onmousemove=e=>{x.fillStyle=R(a=e.shiftKey*M,b=e.ctrlKey*M,M-a-b,.2)
x.fillText('●',e.clientX*3.3,e.clientY*3.5)}

Jan 1 2018 11:16 PM UTC

}// 135/140

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Finger painting! Blue is the default color. Hold SHIFT for red, CTRL for green, or SHIFT+CTRL for yellow.

Show more comments…
u/CliffJonesJr

TODO: Remix this to be mobile-friendly somehow. This works on a MacBook, but probably not much else since the scalars I use for clientX and clientY are very ad hoc.
u/trupples

Nice one! I love this wave of mouse input dweets :D Btw you can use e.x and e.y instead of e.clientX/Y to shave off some bytes
u/CliffJonesJr

@trupples Wha?!! Yeah, I should have tried that. Derp.
u/CliffJonesJr

Anybody know how I can make this more cross-platform? Remixes welcome!
u/wclang

Thanks, trupples, for the tip about mouse input!!
u/rippedspine

so nice! i solved the cross-platform thing in this dweet https://www.dwitter.net/d/5168 :D
u/CliffJonesJr

Thanks @rippedspine! I just posted a remix that works better across devices: https://www.dwitter.net/d/5403
u/iverjo

#interactive

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RyanFelton

remix of d/5159 by u/RyanFelton

function u(t) {

c.width^=0;for(i=0;i++<4e3;){s=200;k=i%s;j=i/s;h=S(t+i/9);x.beginPath();p=s*h;x.strokeStyle=R(-p,p,s);x.arc(20*k,p+50*j,60,0,7);x.stroke();}

Jan 1 2018 11:15 PM UTC

}// 140/140

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u/iverjo

Nice colors

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hoplite

function u(t) {

x.fillRect(0,0,i=w=c.width=2e3,w);x.fillStyle="#fff";for(;i--;)T=t*99,z=w*99/(i-T%1),a=i+T-T%1,x.fillRect(C(a*a)*z+1e3,C(a*w)*z+500,w/i,w/i)

Jan 1 2018 11:14 PM UTC

}// 140/140

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u/eyalcohen4

Starwarsy
u/iverjo

#stars
u/zbstof

Reminds me of Windows 3.11 #screensaver - Starfield

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rippedspine

function u(t) {

t*=.3;x.fillStyle='#fff';x.font='6em courier';x.fillText(frame,80,T(t)*200);x.fillStyle=R(0,0,255,.2);x.fillRect(0,0,c.width,c.height);

Jan 1 2018 10:32 PM UTC

}// 137/140

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ADESONOM

function u(t) {

for(i=100;i--;x.fillStyle=`hsla(${i*t*10},90%,50%,.25)`)x.fillRect(i*50+S(T(t+i/10))*500, -100,50,1200)

Jan 1 2018 9:56 PM UTC

}// 103/140

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I don't even know how I reached this point.

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wclang

function u(t) {

c.width=1920;x.font="300px arial";x.fillStyle="red";if(t/2-Math.floor(t/2)<0.5){x.fillText("No",100,300);}x.fillText("Vacancy",550,300);

Jan 1 2018 9:39 PM UTC

}// 136/140

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obooij

remix of d/4522 by u/nic

function u(t) {

for(c.width|=0,r=C(t),s=S(t),i=j=729;i--;w=i%81/9,q=i/81,v=(r*r*e+s*q-r*s*w-27)/j,x.fillRect(j+(s*s*w+r*q-s*r*e)/v,j+(s*e+r*w)/v,9,9))e=i%9

Jan 1 2018 9:38 PM UTC

}// 139/140

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jonowles88

function u(t) {

c.width=1920; 
x.font = "400px mono";
x.fillText(Math.round(t), 200, 500);

Jan 1 2018 9:36 PM UTC

}// 74/140

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JonasPeeters

function u(t) {

c.width=2e3
f(t**3/60,25)
f(t**3,9)
function f(e,z){x.moveTo(960,h=540)
x.lineWidth=z
x.lineTo(960+S(n=-e*0.11-3.14)*h,h+C(n)*h)
x.stroke()}

Jan 1 2018 9:21 PM UTC

}// 140/140

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trupples

function u(t) {

t?(c.width=innerWidth,c.height=innerHeight):(X=Y=0,c.onclick=e=>E=e)
X=(X+E.x)/2
Y=(Y+E.y)/2
x.font="60px a"
x.fillText("🕷️",X-30,Y)

Jan 1 2018 9:07 PM UTC

}// 132/140

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click to play with the spider yay

u/trupples

miiiight also kinda qualify for the cobweb challenge (?)

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