Dweets by u/Ghoust

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

} // 112/140

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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: #Food

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Ghoust

function u(t) {

t?x.globalAlpha=.3:a=[w=1920]
for(i=w;i--;){t?a[i]+=a[i]>w?-w:9:a[i]=Math.random()*w
x.clearRect(i,a[i],S(t+i)*3,9)}x.fillRect(t,0,w,w)

Sep 10, 2022 12:17 PM

}// 135/140

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Rain

u/cantelope

🌧️

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Ghoust

function u(t) {

a=b=w=999
for(i=99;i--;b=a){a=Math.random()-.5
s=T(t+i)-t
x.fillStyle=R(d=(a*a+b*b)*w,d,d,.5)
x.fillRect(a*w+w-s/2,b*w+540-s/2,s,s)}

Aug 20, 2022 1:20 PM

}// 132/140

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Ghoust

function u(t) {

for(i=9;i--;){t?b=a:a=b=0
x.fillStyle=R(a=Math.random()*255,b,c=999/t)
x.fillRect(a*8-c/2,b*4-c/2,c,c)}

Aug 17, 2022 10:35 AM

}// 103/140

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Ghoust

function u(t) {

for(j=5;j--;){t?b+=Math.random()-.5:a=[b=0,0]
for(i=0;i<2;i++)a[i]**2>9999?a[i]/=-9:a[i]+=i?S(b):C(b)
x.fillRect(960+a[0]*5,540+a[1]*5,5,5)}

Aug 5, 2022 3:47 PM

}// 140/140

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Ghoust

function u(t) {

t?x.globalAlpha=.05:a=[0,0]
for(j=9;j--;){for(i=2;i--;)a[i]**2>900?a[i]*=-.9:a[i]+=Math.random()-.5;x.fillRect(960+a[0]*20,540+a[1]*20,9,9)}

Jul 31, 2022 2:28 PM

}// 140/140

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Random Movement

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Ghoust

function u(t) {

c.width*=1
for(j=500;j;j--){a=Math.floor(t*300)+j
for(i=a;i>a-99;i--){i/a==Math.floor(i/a)?x.fillRect(960+S(a)*j*1.5,540+C(a)*j*1.5,9,9):0}}

Jul 29, 2022 10:23 AM

}// 140/140

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Prime Number Spiral

u/384.cz

#prime

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Ghoust

function u(t) {

c.width*=1
for(l=5;l;l--){x.fillStyle='#0'+415/l
for(i=27;i;i--)for(j=119;j;j--)x.fillRect(i*69+S(t*9+j/19+i*l)*9+l*29,j*9+l*69,j/2,9)}

Jul 25, 2022 3:01 PM

}// 135/140

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Waving Grass

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Ghoust

function u(t) {

c.width*=1
if(!t){a=[w=999]
for(i=0;i<w;i++)a[i]=0}a[0]=Math.random()
for(i=w;i>0;i--){a[i]=(a[i]+a[i-1])/2
x.fillRect(i*9,0,9,a[i]*w*1.5)}

Jul 7, 2022 9:56 AM

}// 139/140

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smoothed random height

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Ghoust

function u(t) {

t?y+=S(t*S(t))+C(t)>0?1:-1:y=500
for(i=1080;i;i--){
x.fillStyle=i<y?R(i*S(t/6),S(t/6)*i/3,0):R(a=99+y-i,a/2,0)
x.fillRect(t*99,i,9,9)
}

Jul 6, 2022 9:09 AM

}// 136/140

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More Mountains at Sunset

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Ghoust

function u(t) {

if(!t)a=0,y=99
y+=a+=Math.random()-.5
a*a>5|y<19|y>199?a*=-.9:0
for(i=999;i;i--){i<y*4?x.fillStyle=R(i,i/2):0
x.fillRect(S(t/4)*1920,i,9,1)}

Jun 25, 2022 8:15 PM

}// 140/140

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Mountains at Sunset

u/taupelink

nice!
u/ArthurThuczsec

awesome!
u/rep_movsd

nice

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