Hot dweets by u/Tekmap

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: #ScaryMovies

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Tekmap

remix of d/23247 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=2e4;i--;x.fillRect(960+230*a,565+290*b,.1,t<2))
S(r=i**8)>0?(a=S(i**3)*3,b=T(b/t)*3):b=S(a)-(a=a/3-S(b)*1.2)/4
x.fillStyle=R(99)

Jun 28 2021 5:03 PM UTC

}// 138/140

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Tekmap

remix of d/1604 by u/SpecialAgent

function u(t) {

Λ=36;for(X=72;X--;)for(Y=48;Y--;)x.strokeStyle='hsl('+X*Y*25+',99%,50%)',x.strokeRect(X*Λ,Y*50,Λ,Λ)
x.drawImage(c,T(t)-2,S(t)-2,1924,1084)

Jun 26 2021 7:22 PM UTC

}// 138/140

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Candies shockwave

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Tekmap

remix of d/16741 by u/rnbw

function u(t) {

for(c.width=i=300;i--;)for(j=8;j--;x.fillStyle='#f'+j*24)x.fillRect(i,9-T(a=t-i/80*C(t+i/99)+j*.9)*40,1,Math.max(40*S(a-1.1),0))

Jun 24 2021 4:38 PM UTC

}// 128/140

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psychedelic trigonometry #LSD

u/donbright

great colors
u/aleamb

cool!

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Tekmap

remix of d/22995 by u/Tekmap

function u(t) {

c.style.filter=`blur(1vw)contrast(50`
for(c.width|=z=i=19;i--;)for(j=2*z;j--;)x.fillRect(99+i*99+S(t-j/69*z)*300,500+j*z,50,z)

Jun 25 2021 2:10 PM UTC

}// 126/140

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Herringbone

u/DataMeta

#opticalillusion

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Tekmap

remix of d/18441 by u/tomxor

function u(t) {

for(w=c.width=180,i=9e4;i--;x.fillRect(i%w,i/w,1+C(7*X/d)**7*S(9*Y/d)**5,d/2+Y/3))X=i%w/35-2,Y=i/w/35-1,r=X*X+Y*Y,d=r>1||1+(1-r)*C(r*9-t*8)

Jun 22 2021 3:53 AM UTC

}// 139/140

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Bubble

u/donbright

#blackmagic
u/donbright

this is bind blowing
u/donbright

mind blowing
u/aleamb

WTF! how? #render #witchcraft #raytracing #scene
u/rep_movsd

#underrated

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Tekmap

remix of d/12187 by u/ds0

function u(t) {

c.width|=r=540
for(i=r;i--;){Y=r-(2*i)
W=(2*(r**2+Y**2)**.45)
x.fillStyle=R(255*C(M=t+111*i))
x.fillRect(960-(W/2)+.8*r*S(M),540-Y,W,3)}

Jun 20 2021 8:17 PM UTC

}// 136/140

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Lava Lamp

u/andrea270872

very cool
u/Tekmap

thanks

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Tekmap

remix of d/23129 by u/Tekmap

function u(t) {

c.width=784;for(i=32;i--;x.fillStyle="#1da")for(j=27;j--;c.style.background=R())x.fillRect(96+i*20,29+j*6+15*T(j/8)*S(t*2-i/2-j/9),16,t/i)

Jun 17 2021 10:18 AM UTC

}// 138/140

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Tekmap

remix of d/5825 by u/corruptio

function u(t) {

for(c.width=512,Z=X=128;--X+Z;)for(Y=Z;--Y+Z;)x.fillRect(X+Z,Y+Z,(Math.acos(X/(Z*Z-Y*Y)**.5)+t)%6/(Y/Z+2)*9&1,1-(X-Y+Z)/3/(X*X+Y*Y+Z*Z)**.5)

Jun 17 2021 12:59 PM UTC

}// 140/140

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Tekmap

remix of d/23137 by u/Tekmap

function u(t) {

for(i=1e4*(t<5);i--;x.fillRect(960+260*a,540+260*b,.1,1))
S(r=i*t)>0?(a=T(r*i)*3,b=C(r*t)*2):b=S(a)-(a=S(-b)/2+a/2)/5
x.fillStyle=R(99)

Jun 17 2021 1:43 PM UTC

}// 135/140

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Recursive wave #eye

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Tekmap

remix of d/23138 by u/Tekmap

function u(t) {

for(i=1e4*(t<5);i--;x.fillRect(960+260*a,540+260*b,.1,1))
S(r=i*t)>0?(a=T(r*i)*3,b=T(r*t)*2):b=T(a)-(a=S(-b)/2+a/2)/5
x.fillStyle=R(99)

Jun 17 2021 1:47 PM UTC

}// 135/140

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infinite hole

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