deleteFace2Vertices method
Implementation
ConvexHull deleteFace2Vertices(Face2 face, [Face2? absorbingFace2]) {
var faceVertices = removeAllVerticesFromFace2(face);
if (faceVertices != null) {
if (absorbingFace2 == null) {
// mark the vertices to be reassigned to some other face
unassigned.appendChain(faceVertices);
} else {
// if there's an absorbing face try to assign as many vertices as possible to it
VertexNode? vertex = faceVertices;
do {
// we need to buffer the subsequent vertex at this point because the 'vertex.next' reference
// will be changed by upcoming method calls
var nextVertex = vertex!.next;
var distance = absorbingFace2.distanceToPoint(vertex.point);
// check if 'vertex' is able to see 'absorbingFace2'
if (distance > tolerance) {
addVertexToFace2(vertex, absorbingFace2);
} else {
unassigned.append(vertex);
}
// now assign next vertex
vertex = nextVertex;
} while (vertex != null);
}
}
return this;
}