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flip transition if swapping between hole & exterior #148

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flip transition if swapping between hole & exterior #148

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7 changes: 6 additions & 1 deletion src/connect_edges.js
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,12 @@ function initializeContourFromContext(event, contours, contourId) {
// in an earlier iteration, otherwise it wouldn't be possible that it is "previous in
// result".
const lowerContourId = prevInResult.outputContourId;
const lowerResultTransition = prevInResult.resultTransition;
let lowerResultTransition = prevInResult.resultTransition;

if (!event.isExteriorRing && prevInResult.isExteriorRing) {
lowerResultTransition = 1;
}

if (lowerResultTransition > 0) {
// We are inside. Now we have to check if the thing below us is another hole or
// an exterior contour.
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