void setup(){
size(300,240);
background(255);
smooth();
noLoop();
}
void l0(){
beginShape();
vertex(300,170);
vertex(270,170);
vertex(270,200);
vertex(30,200);
vertex(30,130);
vertex(60,130);
endShape();}
void l1(){
line(300,170,240,170);}
void l2(){
line(300,130,240,130);}
void l3(){
line(300,90,240,90);}
void l4(){
line(300,50,240,50);}
void l5(){
beginShape();
vertex(300,50);
vertex(270,50);
vertex(270,20);
vertex(30,20);
vertex(30,90);
vertex(60,90);
endShape();}
void l6(){
line(60,170,0,170);}
void l7(){
line(60,50,0,50);}
void l8(){
line(210,180,90,180);}
void l9(){
line(210,160,90,160);}
void l10(){
beginShape();
vertex(210,140);
vertex(180,140);
vertex(180,160);
vertex(90,160);
endShape();}
void l11(){
beginShape();
vertex(210,80);
vertex(150,80);
vertex(150,140);
vertex(90,140);
endShape();}
void l12(){
beginShape();
vertex(210,120);
vertex(180,120);
vertex(180,60);
vertex(90,60);
endShape();}
void l13(){
beginShape();
vertex(210,100);
vertex(120,100);
vertex(120,120);
vertex(90,120);
endShape();}
void l14(){
line(210,100,90,100);}
void l15(){
line(210,80,90,80);}
void l16(){
line(210,60,90,60);}
void l17(){
line(210,40,90,40);}
void l18(){
if(a==0){line(240,170,210,160);}
else{line(240,170,210,180);}}
void l19(){
if(a==0){line(240,130,210,120);}
else{line(240,130,210,140);}}
void l20(){
if(a==0){line(240,90,210,80);}
else{line(240,90,210,100);}}
void l21(){
if(a==0){line(240,50,210,40);}
else{line(240,50,210,60);}}
void l22(){
if(b==0){line(90,180,60,170);}
else{line(90,160,60,170);}}
void l23(){
if(b==0){line(90,140,60,130);}
else{line(90,120,60,130);}}
void l24(){
if(b==0){line(90,100,60,90);}
else{line(90,80,60,90);}}
void l25(){
if(b==0){line(90,60,60,50);}
else{line(90,40,60,50);}}

int a=0;int b=0;int c=0;int count=0;
void draw(){
  fill(255);rect(0,0,300,240);
  PFont font;
font = loadFont("Courier-16.vlw");
stroke(0);noFill();strokeWeight(1.5);
l0();l1();l2();l3();l4();l5();l6();l7();l8();l9();l10();l11();l12();l13();
l14();l15();l16();l17();l18();l19();l20();l21();l22();l23();l24();l25();
strokeWeight(0);
if(a==1){fill(255,0,0);}else{fill(0);}text("A",220,195);
if(b==1){fill(255,0,0);}else{fill(0);}text("B",70,35);
fill(0);
if(c==1){fill(255,0,0);}else{fill(0);}textSize(12);text("C",275,168);
textSize(10);text("in",283,168);
if(c==0){fill(255,0,0);}else{fill(0);}textSize(12);text("C",275,48);
textSize(10);text("in",283,48);
if(c==0){stroke(255,0,0);}else{stroke(0);}line(275,36,290,36);
if((a+b+c)/2==1){fill(255,0,0);}else{fill(0);}textSize(12);text("C",5,168);
textSize(10);text("out",13,168);
if((a+b+c)/2==0){fill(255,0,0);}else{fill(0);}textSize(12);text("C",5,48);
textSize(10);text("out",13,48);
if((a+b+c)/2==0){stroke(255,0,0);}else{stroke(0);}line(5,36,28,36);
fill(255,0,0);textSize(12);text("V",275,128);textSize(10);text("+",283,125);
if((a+b+c)%2==1){fill(255,0,0);}else{fill(0);}textSize(12);text("Out",275,88);
fill(0);
text("a=",30,230);text(a,47,230);
text("b=",60,230);text(b,77,230);
text("c=",90,230);text(c,107,230);
text("c'=",150,230);text((a+b+c)/2,167,230);
text("s'=",180,230);text((a+b+c)%2,197,230);


noFill();stroke(255,0,0);strokeWeight(1.5);
if(c==0){if(b==0){if(a==0){
l2();l19();l12();l25();l7();}
else{l5();l24();l14();l20();l3();l4();l21();l16();l25();l7();}}
else{if(a==0){
l5();l24();l15();l20();l3();l4();l21();l17();l25();l7();}
else{l2();l19();l10();l22();l6();}}}
else{if(b==0){if(a==0){
l0();l23();l11();l20();l3();l2();l19();l12();l25();l7();}
else{l1();l18();l8();l22();l6();}}
else{if(a==0){
l1();l18();l9();l22();l6();}
else{l0();l23();l13();l20();l3();l2();l19();l10();l22();l6();}}}
fill(0);stroke(0);
for(int i=50;i<=170;i+=40){
  ellipse(60,i,3,3);
  ellipse(240,i,3,3);
  ellipse(90,i-10,3,3);
  ellipse(90,i+10,3,3);
  ellipse(210,i-10,3,3);
  ellipse(210,i+10,3,3);}
  noFill();
  rect(235,220,15,15);text("a",240,215);
  rect(255,220,15,15);text("b",260,215);
  rect(275,220,15,15);text("c",280,215);
noLoop();

}
void keyPressed(){
count=count+1;
a=count%2;
b=(count/2)%2;
c=(count/4)%2;
println("a="+a+" b="+b+" c="+c);
loop();}

void mousePressed(){
  if(235<=mouseX && mouseX<250 && 220<=mouseY && mouseY<235)
  {a=1-a;}
  if(255<=mouseX && mouseX<270 && 220<=mouseY && mouseY<235)
  {b=1-b;}
  if(275<=mouseX && mouseX<290 && 220<=mouseY && mouseY<235)
  {c=1-c;}
  println("a="+a+" b="+b+" c="+c);
loop();}