let vorm = [] ; let ruitjespap; let ruitjes;
let n; let x; let y; let h = 0; let zwartwit = false;
function setup() {
  buttonZW = createButton('zwart/wit');
  buttonZW.position(20,130);buttonZW.style('width','120px');
  buttonZW.mouseClicked(buttonZWAction);
  buttonR1 = createButton('reset h0');
  buttonR1.position(20,160);buttonR1.style('width','70px');
  buttonR1.mouseClicked(buttonR1Action);
  buttonH1 = createButton('reset h45');
  buttonH1.position(20,190);buttonH1.style('width','80px');
  buttonH1.mouseClicked(buttonH1Action);
  buttonH2 = createButton('reset h90');
  buttonH2.position(110,190);buttonH2.style('width','80px');
  buttonH2.mouseClicked(buttonH2Action);
  button0 = createButton('(x,y) 0');
  button0.position(20,220);button0.style('width','70px');
  button0.mouseClicked(button0Action);
  buttondp0 = createButton('dp 0');
  buttondp0.position(100,220);buttondp0.style('width','70px');
  buttondp0.mouseClicked(buttondp0Action);
  button1 = createButton('(x,y) 1');
  button1.position(20,250);button1.style('width','70px');
  button1.mouseClicked(button1Action);
  buttondp1 = createButton('dp 1');
  buttondp1.position(100,250);buttondp1.style('width','70px');
  buttondp1.mouseClicked(buttondp1Action);
  button2 = createButton('(x,y) 2');
  button2.position(20,280);button2.style('width','70px');
  button2.mouseClicked(button2Action);
  buttondp2 = createButton('dp 2');2*n
  buttondp2.position(100,280);buttondp2.style('width','70px');
  buttondp2.mouseClicked(buttondp2Action);
  button3 = createButton('(x,y) 3');
  button3.position(20,310);button3.style('width','70px');
  button3.mouseClicked(button3Action);
  buttondp3 = createButton('dp 3');
  buttondp3.position(100,310);buttondp3.style('width','70px');
  buttondp3.mouseClicked(buttondp3Action);
  buttonRuitAU = createButton('ruitjes aan/uit');
  buttonRuitAU.position(20,340);buttonRuitAU.style('width','100px');
  buttonRuitAU.mouseClicked(buttonRuitAUAction);
  buttonD = createButton('downloaden');
  buttonD.position(20,370);buttonD.style('width','100px');
  buttonD.mouseClicked(buttonDAction);
 
  createCanvas(windowWidth, windowHeight);
  ;x = width/2; y = height/2; n = height/15; let alfa = 150;
  let ch1 = color(193,161,0,alfa); let ch2 = color(247,206,100,alfa);
  let ch3 = color(214,155,4,alfa); let ch4 = color(198,154,8,  alfa);
  let ch5 = color(214,155,4,alfa); let ch6 = color(78,129,4,   alfa);
  let ch7 = color(121,198,8,alfa); let ch8 = color(121,198,8,  alfa);
  let sc = color(0); let sw = n/50;
  vorm[0] = new Hoek3d_na4n(n, 6, x-2*n, y-n,  45+h,ch1,ch2,ch3,ch4,ch5,sw,sc);
  vorm[1] = new Hoek3d_na4n(n, 2, x+2*n, y-n, -45+h,ch1,ch2,ch3,ch4,ch5,sw,sc);
  vorm[2] = new Box_n4naRe( n, 1, x-2*n, y-n,   0+h,ch6,ch7,ch8,sw,sc);
  vorm[3] = new Box_n4naLi( n, 4, x+2*n, y-n,   0+h,ch6,ch7,ch8,sw,sc);
  vorm[4] = new Hoek3d_na4n(n, 2, x-2*n, y+n, 135+h,ch1,ch2,ch3,ch4,ch5,sw,sc);
  vorm[5] = new Hoek3d_na4n(n, 6, x+2*n, y+n,-135+h,ch1,ch2,ch3,ch4,ch5,sw,sc);
  vorm[6] = new Box_n4naLi( n, 4, x-2*n, y+n, 180+h,ch6,ch7,ch8,sw,sc);
  vorm[7] = new Box_n4naRe( n, 1, x+2*n, y+n, 180+h,ch6,ch7,ch8,sw,sc);
  ruitjespap = new Ruitjes(n, x,y);
}
 
 function draw() {
  if (zwartwit) {background(0)}
    else {clear(); background('rgba(255,255,255, 0)');}
 for (let i = 0; i < 8; i++)
 {
   vorm[i].display();
 }
 
 if (ruitjes){
    ruitjespap.display();
    for(let i = 0; i < 8; i++){vorm[i].dpAan();}}
 
   if (key == 's' || key == 'S') { }
   else
  {
   vorm[0].dpRotLi(vorm[0]); vorm[1].dpRotRe(vorm[1]);
   vorm[2].dpRotRe(vorm[2]); vorm[3].dpRotLi(vorm[3]);
   vorm[4].dpRotRe(vorm[4]); vorm[5].dpRotLi(vorm[5]);
   vorm[6].dpRotLi(vorm[6]); vorm[7].dpRotRe(vorm[7]);
  }
}
 
 function buttonH1Action(){h = 45;setup();}
 function buttonH2Action(){h = 90;setup();}
 function buttonR1Action(){h = 0; setup();}
 function button0Action()
  {vorm[0].x = x-2*n; vorm[1].x = x+2*n; vorm[2].x = x-2*n; vorm[3].x = x+2*n;
   vorm[4].x = x-2*n; vorm[5].x = x+2*n; vorm[6].x = x-2*n; vorm[7].x = x+2*n
   vorm[0].y = y-n; vorm[1].y = y-n; vorm[2].y = y-n; vorm[3].y = y-n;
   vorm[4].y = y+n; vorm[5].y = y+n; vorm[6].y = y+n; vorm[7].y = y+n}
 function button1Action()
  {vorm[0].x = x-4*n; vorm[1].x = x+4*n; vorm[2].x = x-4*n; vorm[3].x = x+4*n;
   vorm[4].x = x-4*n; vorm[5].x = x+4*n; vorm[6].x = x-4*n; vorm[7].x = x+4*n;
   vorm[0].y =y-3*n/2;vorm[1].y =y-3*n/2;vorm[2].y = y-3*n/2;vorm[3].y= y-3*n/2;
   vorm[4].y =y+3*n/2;vorm[5].y =y+3*n/2;vorm[6].y = y+3*n/2;vorm[7].y= y+3*n/2}
 function button2Action()
  {vorm[0].x = x-3*n; vorm[1].x = x+3*n; vorm[2].x = x-3*n; vorm[3].x = x+3*n;
   vorm[4].x = x-3*n; vorm[5].x = x+3*n; vorm[6].x = x-3*n; vorm[7].x = x+3*n
   vorm[0].y = y-2*n; vorm[1].y = y-2*n; vorm[2].y = y-2*n; vorm[3].y = y-2*n;
   vorm[4].y = y+2*n; vorm[5].y = y+2*n; vorm[6].y = y+2*n; vorm[7].y = y+2*n}
 function button3Action()
  {vorm[0].x = x-4*n; vorm[1].x = x+4*n; vorm[2].x = x-2*n; vorm[3].x = x+2*n;
   vorm[4].x = x-4*n; vorm[5].x = x+4*n; vorm[6].x = x-2*n; vorm[7].x = x+2*n;
   vorm[0].y = y-3*n; vorm[1].y = y-3*n; vorm[2].y = y-n; vorm[3].y = y-n;
   vorm[4].y = y+3*n; vorm[5].y = y+3*n; vorm[6].y = y+n; vorm[7].y = y+n}
 function buttondp0Action()
  {vorm[0].d = 6; vorm[1].d = 2; vorm[2].d = 1; vorm[3].d = 4;
   vorm[4].d = 2; vorm[5].d = 6; vorm[6].d = 4; vorm[7].d = 1}
 function buttondp1Action()
  {vorm[0].d = 8; vorm[1].d = 8; vorm[2].d = 1; vorm[3].d = 4;
   vorm[4].d = 8; vorm[5].d = 8; vorm[6].d = 4; vorm[7].d = 1}
 function buttondp2Action()
  {vorm[0].d = 8; vorm[1].d = 8; vorm[2].d = 3; vorm[3].d = 2;
   vorm[4].d = 8; vorm[5].d = 8; vorm[6].d = 2; vorm[7].d = 3}
 function buttondp3Action()
  {vorm[0].d = 2; vorm[1].d = 6; vorm[2].d = 1; vorm[3].d = 4;
   vorm[4].d = 6; vorm[5].d = 2; vorm[6].d = 4; vorm[7].d = 1}
 function buttonZWAction()
  {if(zwartwit){zwartwit = false;} else {zwartwit=true;}}
 function buttonRuitAUAction()
  {if(ruitjes){ruitjes=false;}else{ruitjes=true;}}
  function buttonDAction(){save('vier_hoekbalken_vier_boxen.png');}