Utilities for handling 2D vectors, expressed a two-elements list
- Source:
Methods
(inner) diff(x1, y1, x2, y2) → {Pair}
Calculates the difference of two vectors
Parameters:
| Name |
Type |
Description |
x1 |
number
|
|
y1 |
number
|
|
x2 |
number
|
|
y2 |
number
|
|
- Source:
Returns:
-
Type
-
Pair
(inner) equal(x1, y1, x2, y2, deltaopt) → {boolean}
Parameters:
| Name |
Type |
Attributes |
Default |
Description |
x1 |
number
|
|
|
|
y1 |
number
|
|
|
|
x2 |
number
|
|
|
|
y2 |
number
|
|
|
|
delta |
number
|
<optional>
|
0
|
tolerance in comparison |
- Source:
Returns:
-
Type
-
boolean
(inner) isNull(x, y) → {boolean}
Tells whether this pair is (0, 0)
Parameters:
| Name |
Type |
Description |
x |
number
|
|
y |
number
|
|
- Source:
Returns:
-
Type
-
boolean