// Capturing pints for a new cure as it is drawn with the mouse
pt lastCapturedTP = new pt(0,0);    // remembers where mouse was last during capture
boolean capturing=false;
int maxnTP=20000;
pt [] TP  = new pt[maxnTP];    // captured points
int nTP=-1;       // number of captured points 
void initTP() {for (int i=0; i<maxnTP; i++) TP[i] = new pt();}
void addTP() {if (lastCapturedTP.disToMouse()>4) {TP[++nTP].setToMouse(); lastCapturedTP.setToMouse();};}
void resetTP() {nTP=-1;}
void drawTP() { beginShape(); for (int i=0; i<nTP; i++) TP[i].v(); if(capturing) endShape(); else endShape(CLOSE);}
void copyTP() { C.empty(); for (int i=0; i<nTP; i++) C.appendPt(TP[i]); }