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Extension to create and manipulate shapes
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Returns the corners of a regular polygon as iterable of (x, y) tuples. The polygon size is determined by the
`edge_length` or the `radius` argument. If both are given `edge_length` will be taken.
Args:
num_corners: count of polygon corners
edge_length: length of polygon side
radius: circum radius
rotation: rotation angle in radians
Returns: iterable of (x, y) tuples
z0Argument `num_corners` has to be greater than 2.N r z+Argument `radius` has to be greater than 0.z,Argument `edge_length` or `radius` required.)
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Create a star shape as iterable of (x, y) vertices.
Argument `spikes` defines the count of star spikes, `r1` defines the radius of the "outer" vertices and `r2`
defines the radius of the "inner" vertices, but this does not mean that `r1` has to greater than `r2`.
Args:
spikes: spike count
r1: radius 1
r2: radius 2
rotation: rotation angle in radians
Returns: iterable of (x, y) tuples
r z+Argument `spikes` has to be greater than 2.r z'Argument `r1` has to be greater than 0.z'Argument `r2` has to be greater than 0.)r r N)r r r r
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Translates `vertices` about `delta_x` and `delta_y`
Args:
vertices: iterable of (x, y) tuples
delta_x: translation in x axis
delta_y: translation in y axis
Returns: iterable of (x, y) tuples
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Scales `vertices` about `scale_x` and `scale_y`
Args:
vertices: iterable of (x, y) tuples
scale_x: scaling factor in x axis direction
scale_y: scaling factor in y axis direction
Returns: iterable of (x, y) tuples
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Rotates `vertices` about `delta` degrees around the origin (0, 0).
Args:
vertices: iterable of (x, y) tuples
delta: rotation angle in radians
Returns: iterable of (x, y) tuples
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Returns the centroid of a series of `vertices`.
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