@tempots/std
interpolateAngle() function
Interpolates values in a polar coordinate system looking for the narrowest delta angle. It can be either clock-wise or counter-clock-wise.
Signature:
interpolateAngle: (a: number, b: number, t: number, turn?: number) => number
Parameters
|
Parameter |
Type |
Description |
|---|---|---|
|
a |
number |
The first angle in degrees. |
|
b |
number |
The second angle in degrees. |
|
t |
number |
The interpolation value. |
|
turn |
number |
(Optional) The total number of degrees in a full turn. Default is 360.0. |
Returns: number
The interpolated angle.
Example
interpolateAngle(0, 90, 0.5) // returns 45
interpolateAngle(0, 270, 0.5) // returns 315
interpolateAngle(0, 90, 0.25) // returns 22.5
interpolateAngle(0, 270, 0.25) // returns 337.5