commonMain.utilities.FromContours.kt Maven / Gradle / Ivy
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package org.openrndr.extra.shapes.utilities
import org.openrndr.shape.ShapeContour
import org.openrndr.shape.contour
/**
* Create a contour from a list of contours
*/
fun ShapeContour.Companion.fromContours(contours: List, closed: Boolean, connectEpsilon:Double=1E-6) : ShapeContour {
@Suppress("NAME_SHADOWING") val contours = contours.filter { !it.empty }
if (contours.isEmpty()) {
return EMPTY
}
return contour {
moveTo(contours.first().position(0.0))
for (c in contours.windowed(2,1,true)) {
copy(c[0])
if (c.size == 2) {
val d = c[0].position(1.0).distanceTo(c[1].position(0.0))
if (d > connectEpsilon ) {
lineTo(c[1].position(0.0))
}
}
}
if (closed) {
close()
}
}
}
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