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OK thanks Norm, thought there might be a quicker way like getPixels when it's being drawn. Will use your suggestion though.

The program is for a shortest path algorithm. The user can draw the nodes (circles) and connect them with vertexs (lines), then calculate the shortest path between them. If they click somewhere on...

In my program I want to first draw two circles then be able to connect them by drawing a line between them. If the line is in each of the circles, the line will draw between them. If not, the line...