float Global::scale = 0.5;
+Point Global::intersectPoint[16]; // Overkill, yes
+double Global::intersectParam[16]; // Ditto
+int Global::numIntersectPoints = 0;
+int Global::numIntersectParams = 0;
+
int Global::activeLayer = 0;
-bool Global::layerIsLocked = false;
+int Global::numLayers = 1;
+std::vector<bool> Global::layerHidden;
+std::vector<bool> Global::layerLocked;