34 lines
856 B
Plaintext
34 lines
856 B
Plaintext
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% square lattice (width #1, height #2, origin #3)
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\def\grid#1#2#3{
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\foreach\i in {0,...,#2}{
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\draw#3++(0,\i)--++(#1,0);
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}
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\foreach\i in {0,...,#1}{
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\draw#3++(\i,0)--++(0,#2);
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}
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}
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% dimer (bottom-left vertex #1, vertical or horizontal #2)
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\def\dimer#1#2{
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\if#2h
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\draw[line width=5pt]#1--++(1,0);
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\fill#1circle(7pt);
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\fill#1++(1,0)circle(7pt);
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\else
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\draw[line width=5pt]#1--++(0,1);
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\fill#1circle(7pt);
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\fill#1++(0,1)circle(7pt);
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\fi
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}
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% interactions (bottom-left vertex #1, vertical or horizontal #2)
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\def\interaction#1#2{
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\if#2h
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\draw[line width=5pt, color=white]#1--++(1,0);
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\draw[line width=4pt, decorate, decoration={snake}, color=red]#1--++(1,0);
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\else
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\draw[line width=5pt, color=white]#1--++(0,1);
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\draw[line width=4pt, decorate, decoration={snake}, color=red]#1--++(0,1);
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\fi
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}
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