vJSONPhyllotaxis
Generate a spiral of points where each point is turned by a fixed angle from the previous one.
vJSONPhyllotaxis has no input and outputs Count points on a flat spiral. Rotation is the angle added per point, in radians.
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
| Count | Integer | 1 | Number of points. Range 1 to 1000, default 1. |
| Scale | Float | 0.01 | Scales the radius of the spiral. Range 0.01 to 1, default 0.01. |
| Rotation | Float | 0 | Angle added per point, in radians. Default 0. The golden angle is about 2.39996. |
Read the full description
Point i has angle a = i * Rotation and radius r = Scale * sqrt(i). X is r * cos(a), Y is r * sin(a) and Z is 0. The sqrt term keeps the area per point constant, so points spread out evenly across the disc.
Rotation decides the pattern. The golden angle, about 2.39996 radians, gives the familiar sunflower arrangement. Values near simple fractions of 2 * pi produce visible spokes. The default of 0 puts every point on the X axis.
Count ranges from 1 to 1000 and Scale from 0.01 to 1. The overall diameter grows with Scale * sqrt(Count).
The output is a point array for vJSONCameraProjection and vJSONShapeRender, or for the Modify nodes.
Example Connections
- Draw a sunflower pattern
- Lift the pattern off the plane
vJSONPhyllotaxis.Output -> vJSONCameraProjection.ArrayA
vJSONCameraProjection.Output -> vJSONShapeRender.ArrayPoint
Background.Output -> vJSONShapeRender.Input
vJSONPhyllotaxis.Output -> vJSONTranslate.ArrayA
vJSONTranslate.Output -> vJSONCameraProjection.ArrayA