int nx=60; int ny=40; int r = 10; boolean[][] dd; boolean[][] de; int mode = 0; // 0:edit, 1:erase boolean run = false; void setup() { size (600, 450); frameRate(40); dd = new boolean[nx][ny]; de = new boolean[nx][ny]; for (int h=0;h400) { if (mouseX<120) { run = !run; } else if (mouseX<240) { mode++; if (mode==2) mode=0; } else { for (int h=0;h