27 lines
917 B
Python
27 lines
917 B
Python
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from Constraint import Constraint
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class Connect(Constraint):
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def __init__(self, shape1, pt1, shape2, pt2):
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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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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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coeffs1 = []
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for i in range(len(varrefs1)):
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coeffs1.append((1 * varrefs1[i], (self.shape1, i)))
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for i in range(len(varrefs2)):
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coeffs1.append((-1 * varrefs2[i], (self.shape2, i))
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varrefs1 = self.shape1.toEqu(pt1)[1]
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varrefs2 = self.shape2.toEqu(pt2)[1]
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coeffs2 = []
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for i in range(len(varrefs1)):
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coeffs2.append((1 * varrefs1[i], (self.shape1, i)))
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for i in range(len(varrefs2)):
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coeffs2.append((-1 * varrefs2[i], (self.shape2, i))
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return [(coeffs1, 0), (ceoffs2, 0)]
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