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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 0 producing no change and 1.0 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 0 producing no change and 1.0 pulling all the way to the centroid.
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