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Saneef H. Ansari
Consultant Designer & Developer
Workspace
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Published
Utilities & Helpers
By
Saneef H. Ansari
Edited
May 22, 2022
Importers
2 stars
Insert cell
Insert cell
angleOfInclination
=
(
x1
,
y1
,
x2
,
y2
)
=>
Math
.
atan2
(
y2
-
y1
,
x2
-
x1
)
Insert cell
divideLine
=
(
x1
,
y1
,
x2
,
y2
,
ratio
)
=>
[
x1
+
ratio
*
(
x2
-
x1
)
,
y1
+
ratio
*
(
y2
-
y1
)
]
Insert cell
partitionLine
=
(
x1
,
y1
,
x2
,
y2
,
parts
)
=>
Array
.
from
(
{
length
:
parts
+
1
}
)
.
map
(
(
_
,
i
)
=>
divideLine
(
x1
,
y1
,
x2
,
y2
,
i
/
parts
)
)
.
reduce
(
(
acc
,
v
,
i
,
src
)
=>
{
if
(
i
===
0
)
return
acc
;
return
[
...
acc
,
[
src
[
i
-
1
]
,
v
]
]
;
}
,
[
]
)
Insert cell
rotatePoint
=
(
x
,
y
,
angle
,
xc
=
0
,
yc
=
0
)
=>
{
const
xO
=
x
-
xc
;
const
yO
=
y
-
yc
;
const
xOR
=
xO
*
Math
.
cos
(
angle
)
-
yO
*
Math
.
sin
(
angle
)
;
const
yOR
=
xO
*
Math
.
sin
(
angle
)
+
yO
*
Math
.
cos
(
angle
)
;
return
[
xOR
+
xc
,
yOR
+
yc
]
;
}
Insert cell
distance
=
(
x1
,
y1
,
x2
,
y2
)
=>
Math
.
sqrt
(
Math
.
pow
(
x2
-
x1
,
2
)
+
Math
.
pow
(
y2
-
y1
,
2
)
)
Insert cell
function
movePointAtAngle
(
x
,
y
,
angle
,
distance
)
{
return
[
x
+
Math
.
sin
(
angle
)
*
distance
,
y
-
Math
.
cos
(
angle
)
*
distance
]
;
}
Insert cell
midpointOfALine
=
(
x1
,
y1
,
x2
,
y2
)
=>
[
(
x1
+
x2
)
/
2
,
(
y1
+
y2
)
/
2
]
Insert cell
slope
=
(
x1
,
y1
,
x2
,
y2
)
=>
(
y2
-
y1
)
/
(
x2
-
x1
)
Insert cell
distanceFromPointToLine
=
(
point
,
line
)
=>
{
const
[
x0
,
y0
]
=
point
;
const
[
[
x1
,
y1
]
,
[
x2
,
y2
]
]
=
line
;
return
(
Math
.
abs
(
(
y1
-
y2
)
*
x0
+
(
x2
-
x1
)
*
y0
+
x1
*
y2
-
x2
*
y1
)
/
Math
.
sqrt
(
Math
.
pow
(
x2
-
x1
,
2
)
+
Math
.
pow
(
y2
-
y1
,
2
)
)
)
;
}
Insert cell
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angleOfInclination
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divideLine
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partitionLine
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rotatePoint
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distance
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movePointAtAngle
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midpointOfALine
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slope
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distanceFromPointToLine
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