21 lines
617 B
Python
21 lines
617 B
Python
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from Constraint import Constraint
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class XDistance(Constraint):
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def __init__(self, shape1, pt1, shape2, pt2, dist):
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self.shape1 = shape1
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self.pt1 = pt1
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self.shape2 = shape2
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self.pt2 = pt2
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self.dist
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def toEqu(self):
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varrefs1 = self.shape1.toEqu(pt1)[0]
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varrefs2 = self.shape2.toEqu(pt2)[0]
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coeffs = []
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for i in range(len(varrefs1)):
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coeffs.append((-1 * varrefs1[i], (self.shape1, i)))
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for i in range(len(varrefs2)):
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coeffs.append((1 * varrefs2[i], (self.shape2, i)))
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return [(coeffs, self.dist)]
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