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genartlib.geometry
polygon-contains-point?clj
(polygon-contains-point? x-verts y-verts test-x test-y)Returns true if a polygon contains the given point. The polygon is defined by the first two arguments: a sequence of x values and a sequence of y values that define the polygon.
Returns true if a polygon contains the given point. The polygon is defined by the first two arguments: a sequence of x values and a sequence of y values that define the polygon.
rotate-polygonclj
(rotate-polygon theta points)Rotates a polygon clockwise about its centroid. The theta argument determines
how the polygon is rotated. points is a sequence of [x y] pairs that
define the polygon
Rotates a polygon clockwise about its centroid. The theta argument determines how the polygon is rotated. `points` is a sequence of [x y] pairs that define the polygon
shrink-polygonclj
(shrink-polygon points ratio)Pulls all points in a polygon towards the centroid. The provided ratio controls how far the points are pulled, with 1.0 producing no change and 0.0 pulling all the way to the centroid.
Pulls all points in a polygon towards the centroid. The provided ratio controls how far the points are pulled, with 1.0 producing no change and 0.0 pulling all the way to the centroid.
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