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sungryeol park(max)
frontend + d3
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Published
By
sungryeol park(max)
Edited
Apr 25, 2020
2 stars
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import
{
trans
,
ttrans
}
from
'@rabelais/d3-lib-2'
Insert cell
// initialize only once: boot-up process is very expensive
// simplex = new SimplexNoise(seed)
// simplex.noise2D(x, y)
SimplexNoise
=
require
(
'https://cdnjs.cloudflare.com/ajax/libs/simplex-noise/2.4.0/simplex-noise.min.js'
)
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getNoise
=
(
)
=>
{
const
simplex
=
new
SimplexNoise
(
)
;
const
noises
=
Array
.
from
(
{
length
:
column
}
)
.
map
(
(
)
=>
[
]
)
;
for
(
let
c
=
0
;
c
<
column
;
c
++
)
{
for
(
let
r
=
0
;
r
<
row
;
r
++
)
{
noises
[
c
]
[
r
]
=
simplex
.
noise2D
(
c
,
r
)
;
}
}
return
noises
;
}
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getNoise
(
)
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width
/
40
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column
=
Math
.
round
(
config
.
clippedWidth
/
23
)
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row
=
Math
.
round
(
config
.
clippedWidth
/
23
)
Insert cell
scaleX
=
d3
.
scaleLinear
(
)
.
domain
(
[
0
,
row
]
)
.
range
(
[
config
.
margin
,
config
.
clippedWidth
]
)
Insert cell
scaleY
=
d3
.
scaleLinear
(
)
.
domain
(
[
0
,
column
]
)
.
range
(
[
config
.
margin
,
config
.
clippedHeight
]
)
Insert cell
scaleColor
=
d3
.
scaleQuantile
(
)
.
domain
(
[
-
1
,
0
,
1
]
)
.
range
(
[
'orange'
,
'transparent'
,
'pink'
]
)
Insert cell
scaleSize
=
d3
.
scaleQuantile
(
)
.
domain
(
[
-
1
,
0
,
1
]
)
.
range
(
[
2
,
4
,
6
]
)
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radius
=
3
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{
while
(
true
)
{
await
Promises
.
tick
(
1000
)
;
const
data
=
getNoise
(
)
;
art
.
render
(
data
)
;
yield
;
}
}
Insert cell
config
=
(
{
margin
:
20
,
width
:
width
,
height
:
width
,
clippedWidth
:
width
-
40
,
clippedHeight
:
width
-
40
}
)
Insert cell
d3
=
require
(
'd3@5.15.0'
)
Insert cell
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d3
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