Difference between revisions of "Star Layer"
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== About Stars == | == About Stars == | ||
| − | + | A Star Layer is a geometric object that is made by the filling the region resulting from connecting the points of two concentric circles with straight lines. The number of points on which the circles are divided defines the number of peaks of the star. The points over the circles are spread regularly over both circles but one of them has the points rotated N/360/2 degrees from the other circle (being N the number of peaks or points). | |
[[Image:Star.png]] | [[Image:Star.png]] | ||
Revision as of 22:45, 2 October 2007
Contents
About Stars
A Star Layer is a geometric object that is made by the filling the region resulting from connecting the points of two concentric circles with straight lines. The number of points on which the circles are divided defines the number of peaks of the star. The points over the circles are spread regularly over both circles but one of them has the points rotated N/360/2 degrees from the other circle (being N the number of peaks or points).
Specific Star Layer Parameters
The parameters of the star layers are the same than the majority of the shapes like objects but it have its specific parameters for its own properties.
The parameters of the Star Layers are:
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Outer Radius
Define the circle where the peaks of the star lays.
Inner Radius
Define the circle where the valleys of the star lays.
Angle
Is the rotation angle for the first peak of the star. Its defauld value is 90 degrees.
Points
Define the number of division done in the circles and therefore the number of points and peaks that define the star.
Gamming
Outer radius shouldn't be greater than inner radius. It only changes the star orientation:
| Inner radius = 40; outer radius = 60 | Inner radius = 60; outer radius = 40 |
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Also you can play with negative values:
| Inner radius = -40; outer radius = 60 | Inner radius = 40; outer radius = -60 |
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Even you can play with the Winding Style Parameter parameter and negative values to obtain some effects:
| Inner radius = 40; outer radius = -60; WS=even/odd | Inner radius = -40; outer radius = 60; WS=even/odd |
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Also you can link both radius to create a 2*N sides regular polygon where N is the number of points (3 points for this case (six sides)):
