boolean showHelpText=false; void keys() { if (key==' ') {showHelpText=!showHelpText;}; if (key=='a') {}; if (key=='h') {resetView(); }; if (key=='c') {pickS=true;}; if (key=='v') {printview=true; }; if (key=='i') {String S="mesh"+"-####.tif"; saveFrame(S);}; if (key=='n') {}; if (key=='o') { }; if (key=='p') {}; } pt Mouse = new pt(0,0,0); // current mouse position float xr, yr = 0; // mouse coordinates relative to center of window int px=0, py=0; // coordinats of mouse when it was last pressed