efficient triangule fill given a set of points
Paul Bourke's Delaunay Triangulation implementation.
This is a big refactor from Julapy (Lukasz Karluk) and Pat Long's version (http://code.google.com/p/julapy/source/browse/trunk/openframeworks/ofxDelaunay/?r=708)
Changes:
I added more and more points in the example and got:
example-simplePointsDebug(23443,0xa05e21d4) malloc: *** error for object 0x1813e04: incorrect checksum for freed object - object was probably modified after being freed.
*** set a breakpoint in malloc_error_break to debug
(lldb)
caused by line 227 in Delauny.cpp: delete[] edges;
While trying to troubleshoot a problem, I downloaded your code again instead of using my modified stuff, and it wouldn't work, but in a different way.
comparing older files, I noticed the following lines are missing from the end of your code:
//erase the last three triangles
vertices.erase(vertices.end()-1);
vertices.erase(vertices.end()-1);
vertices.erase(vertices.end()-1);
these would go right before the 'return ntri' and caused all sorts of errors and almost made me cry.
I feel these lines are kinda-sorta important...?
function does not return a value
From looking at the code, the z coordinate seems to be ignored.
Also, if the loop in Triangulate breaks early due to ntri >= trimax, there can be triangles whose complete flag is still false, which leads to crashes when actually trying to do anything with those triangles.
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