[orx-marching-squares] Fix bug that introduces 0 length segments

2023-02-10 07:28:36 +01:00
parent 0174b85c3d
commit 2cab34abce
1 changed files with 5 additions and 1 deletions
--- a/orx-marching-squares/src/commonMain/kotlin/MarchingSquares.kt
+++ b/orx-marching-squares/src/commonMain/kotlin/MarchingSquares.kt
@@ -132,9 +132,13 @@ fun findContours(
            val collected = mutableListOf<Vector2>()
            var current: LineSegment? = segment
            var closed = true
+            var lastVertex = Vector2.INFINITY
            do {
                current!!
-                collected.add(current.start)
+                if (lastVertex.squaredDistanceTo(current.start) > 1E-5) {
+                    collected.add(current.start)
+                }
+                lastVertex = current.start
                processedSegments.add(current)
                if (segmentsMap[current.start]!!.size < 2) {
                    closed = false