void setup(){
size(500,500);
smooth();
background(255);
frameRate(60);


PFont font;
font = loadFont("Courier-16.vlw");
textFont(font);
}
void board(){
fill(0);
line(10,460,490,460);

text('0',5,480);
text('1',37,480);
text('f',485,480);
text('0',5,480);
text('1',37,480);
text('2',69,480);
text('3',101,480);
text('4',133,480);
text('5',165,480);
text('6',197,480);
text('7',229,480);
text('8',261,480);
text('9',293,480);
text('a',325,480);
text('b',357,480);
text('c',389,480);
text('d',421,480);
text('e',453,480);
text('f',485,480);

text("00",0,460);
text("00",16,444);
text("00",32,428);
text("00",48,412);
text("00",64,396);
text("00",80,380);
text("00",96,364);
text("00",112,348);
text("00",128,332);
text("00",144,316);
text("00",160,300);
text("00",176,284);
text("00",192,268);
text("00",208,252);
text("00",224,236);
text("00",240,220);
text("01",32,460);
text("02",48,444);
text("03",64,428);
text("04",80,412);
text("05",96,396);
text("06",112,380);
text("07",128,364);
text("08",144,348);
text("09",160,332);
text("0a",176,316);
text("0b",192,300);
text("0c",208,284);
text("0d",224,268);
text("0e",240,252);
text("0f",256,236);
text("04",64,460);
text("06",80,444);
text("08",96,428);
text("0a",112,412);
text("0c",128,396);
text("0e",144,380);
text("10",160,364);
text("12",176,348);
text("14",192,332);
text("16",208,316);
text("18",224,300);
text("1a",240,284);
text("1c",256,268);
text("1e",272,252);
text("09",96,460);
text("0c",112,444);
text("0f",128,428);
text("12",144,412);
text("15",160,396);
text("18",176,380);
text("1b",192,364);
text("1e",208,348);
text("21",224,332);
text("24",240,316);
text("27",256,300);
text("2a",272,284);
text("2d",288,268);
text("10",128,460);
text("14",144,444);
text("18",160,428);
text("1c",176,412);
text("20",192,396);
text("24",208,380);
text("28",224,364);
text("2c",240,348);
text("30",256,332);
text("34",272,316);
text("38",288,300);
text("3c",304,284);
text("19",160,460);
text("1e",176,444);
text("23",192,428);
text("28",208,412);
text("2d",224,396);
text("32",240,380);
text("37",256,364);
text("3c",272,348);
text("41",288,332);
text("46",304,316);
text("4b",320,300);
text("24",192,460);
text("2a",208,444);
text("30",224,428);
text("36",240,412);
text("3c",256,396);
text("42",272,380);
text("48",288,364);
text("4e",304,348);
text("54",320,332);
text("5a",336,316);
text("31",224,460);
text("38",240,444);
text("3f",256,428);
text("46",272,412);
text("4d",288,396);
text("54",304,380);
text("5b",320,364);
text("62",336,348);
text("69",352,332);
text("40",256,460);
text("48",272,444);
text("50",288,428);
text("58",304,412);
text("60",320,396);
text("68",336,380);
text("70",352,364);
text("78",368,348);
text("51",288,460);
text("5a",304,444);
text("63",320,428);
text("6c",336,412);
text("75",352,396);
text("7e",368,380);
text("87",384,364);
text("64",320,460);
text("6e",336,444);
text("78",352,428);
text("82",368,412);
text("8c",384,396);
text("96",400,380);
text("79",352,460);
text("84",368,444);
text("8f",384,428);
text("9a",400,412);
text("a5",416,396);
text("90",384,460);
text("9c",400,444);
text("a8",416,428);
text("b4",432,412);
text("a9",416,460);
text("b6",432,444);
text("c3",448,428);
text("c4",448,460);
text("d2",464,444);
text("e1",480,460);

}
float x0=106;
float x1=394;
float y=460;
float l=320;
float m=160;

void monkey(){
  float x2=(x0+x1)/2;
  float dx=x2-x1;
  float dy=sqrt(l*l-dx*dx);
  float y2=y-dy;

  float x3=(x0+x2)/2;
  float y3=(y2+y)/2;
  float x4=x3-(m/l)*dy;
  float y4=y3+(m/l)*dx;
  float x5=x2*2-x4;
  float y6=y4*2-y2;
  println(x0+" "+x4+" "+x2+" "+x5+" "+x1);
println(y2+" "+y3+" "+y4+" "+y6);
  fill(0);
  
  line(x0,y,x4,y4);
  line(x4,y4,x2,y2);
  line(x2,y2,x5,y4);
  line(x5,y4,x1,y);
  line(x4,y4,x2,y6);
  line(x2,y6,x5,y4);
  fill(255,0,0);
  rect(x2-2,y6-2,4,4);
  fill(0);
}
void draw(){
 fill(255);
  rect(0,0,500,500);
board();
  fill(0);
rect(x0-2,y-2,4,4);
rect(x1-2,y-2,4,4);
monkey();

noLoop();
}

void mouseDragged(){loop();
  if(abs(mouseX-x0)<abs(mouseX-x1)){x0=mouseX;} else {x1=mouseX;}
}
void mouseReleased(){loop();
  x0=floor((x0+6)/32)*32+10;
  x1=floor((x1+6)/32)*32+10;
  if(x1<x0){float t=x0;x0=x1;x1=t;}
  monkey();
}