26 lines
893 B
Python
26 lines
893 B
Python
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from inkscape_helper.PathSegment import *
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class Line(PathSegment):
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def __init__(self, start, end):
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self.start = start
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self.end = end
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self.pp = lambda t : PathPoint(t, self.start + t * (self.end - self.start), self.end - self.start, 0, t * self.length)
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@property
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def length(self):
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return (self.end - self.start).r
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def subdivide(self, part_length, start_offset=0): # note: start_offset should be smaller than part_length
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nr_parts = int((self.length - start_offset) // part_length)
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k_o = start_offset / self.length
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k2t = lambda k : k_o + k * part_length / self.length
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points = [self.pp(k2t(k)) for k in range(nr_parts + 1)]
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return(points, self.length - points[-1].c_dist)
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def pathpoint_at_t(self, t):
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return self.pp(t)
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def t_at_length(self, length):
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return length / self.length
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