vorm = []; let ruitjespap; let rond=false; let blend=false;
 let x; let y; let n;   let kleurzh=false;let lijnau=true;
function setup() {
 button0 = createButton('reset');
 button0.position(20,30);button0.style('width','70px');
 button0.mouseClicked(button0Action);
 button1 = createButton('(2,3)');
 button1.position(20,60);button1.style('width','70px');
 button1.mouseClicked(button1Action);
 button2 = createButton('(3,2)');
 button2.position(20,90);button2.style('width','70px');
 button2.mouseClicked(button2Action);
 button3 = createButton('(1,2)');
 button3.position(20,120);button3.style('width','70px');
 button3.mouseClicked(button3Action);
 button4 = createButton('(2,1)');
 button4.position(20,150);button4.style('width','70px');
 button4.mouseClicked(button4Action);
 button5 = createButton('(1,1)');
 button5.position(20,180);button5.style('width','70px');
 button5.mouseClicked(button5Action);
 button7 = createButton('dp 1');
 button7.position(100,60);button7.style('width','70px');
 button7.mouseClicked(button7Action);
 button8 = createButton('dp 2');
 button8.position(100,90);button8.style('width','70px');
 button8.mouseClicked(button8Action);
 button9 = createButton('dp 3');
 button9.position(100,120);button9.style('width','70px');
 button9.mouseClicked(button9Action);
 buttonKZH =createButton('kleur hard/zacht');
 buttonKZH.position(20,210); buttonKZH.style('width','140px');
 buttonKZH.mouseClicked(buttonKZHAction);
 buttonRAU = createButton('rond aan/uit');
 buttonRAU.position(20,240); buttonRAU.style('width','100px')
 buttonRAU.mouseClicked(buttonRAUAction);
 buttonLAU= createButton('lijn aan/uit');
 buttonLAU.position(20,270);buttonLAU.style('width','100px');
 buttonLAU.mouseClicked(buttonLAUAction);
 buttonBM = createButton('Blendmode');
 buttonBM.position(20,300);buttonBM.style('width','100px');
 buttonBM.mouseClicked(buttonBMAction);
 buttonD = createButton('downloaden');
 buttonD.position(20,330);buttonD.style('width','100px');
 buttonD.mouseClicked(buttonDAction);
 
createCanvas(windowWidth, windowHeight);
  x = width/2; y = height/2; n = height/12;
  let sw = height/500; let alfa = 50; let kleur = 0;
  ruitjespap = new Ruitjes(n,x,y);
  vorm[0] = new X(n,    4,x-4*n,y-3*n,  0,color(255,255,0,alfa),sw,color(kleur));
  vorm[1] = new F(n, 1, 9,x-4*n,y-3*n,  0,color(255,0, 0, alfa),sw,color(kleur));
  vorm[2] = new X(n,    9,x+4*n,y-3*n,  0,color(0,0, 255, alfa),sw,color(kleur));
  vorm[3] = new F(n, 0, 2,x+4*n,y-3*n,  0,color(0,255, 0, alfa),sw,color(kleur));
  vorm[4] = new X(n,    3,x-4*n,y+3*n,  0,color(0,0, 255, alfa),sw,color(kleur));
  vorm[5] = new F(n, 0, 2,x-4*n,y+3*n,180,color(0,255, 0, alfa),sw,color(kleur));
  vorm[6] = new X(n,   10,x+4*n,y+3*n,  0,color(255,255,0,alfa),sw,color(kleur));
  vorm[7] = new F(n, 1, 9,x+4*n,y+3*n,180,color(255,0, 0, alfa),sw,color(kleur));
}
 
function draw() {
  if (blend) {blendMode(DIFFERENCE)}
  else {blendMode(BLEND)};
  clear();
  background('rgba(255,255,255, 0)');
 
 for (let i = 0; i < 8; i++)
  {
  vorm[i].display();
  }
  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 button0Action(){setup();}
 function button1Action()
 {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-3*n;vorm[1].y=y-3*n;vorm[2].y=y-3*n;vorm[3].y=y-3*n;
  vorm[4].y=y+3*n;vorm[5].y=y+3*n;vorm[6].y=y+3*n;vorm[7].y=y+3*n;}
 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-1*n;vorm[1].x=x-1*n;vorm[2].x=x+1*n;vorm[3].x=x+1*n;
  vorm[4].x=x-1*n;vorm[5].x=x-1*n;vorm[6].x=x+1*n;vorm[7].x=x+1*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 button4Action()
 {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-1*n;vorm[1].y=y-1*n;vorm[2].y=y-1*n;vorm[3].y=y-1*n;
  vorm[4].y=y+1*n;vorm[5].y=y+1*n;vorm[6].y=y+1*n;vorm[7].y=y+1*n;}
 function button5Action()
 {vorm[0].x=x-1*n;vorm[1].x=x-1*n;vorm[2].x=x+1*n;vorm[3].x=x+1*n;
  vorm[4].x=x-1*n;vorm[5].x=x-1*n;vorm[6].x=x+1*n;vorm[7].x=x+1*n;
  vorm[0].y=y-1*n;vorm[1].y=y-1*n;vorm[2].y=y-1*n;vorm[3].y=y-1*n;
  vorm[4].y=y+1*n;vorm[5].y=y+1*n;vorm[6].y=y+1*n;vorm[7].y=y+1*n;}
 function button7Action()
 {vorm[0].d=6;vorm[1].d=7;vorm[2].d=7;vorm[3].d=4;
  vorm[4].d=5;vorm[5].d=4;vorm[6].d=8;vorm[7].d=7;}
 function button8Action()
 {vorm[0].d=7;vorm[1].d=6;vorm[2].d=6;vorm[3].d=5;
  vorm[4].d=6;vorm[5].d=5;vorm[6].d=7;vorm[7].d=6;}
 function button9Action()
 {vorm[0].d=8;vorm[1].d=5;vorm[2].d=5;vorm[3].d=8;
  vorm[4].d=7;vorm[5].d=6;vorm[6].d=6;vorm[7].d=5;}
 
  function buttonKZHAction()  //lijnkleur zacht hard
   {if (kleurzh) {for (let i = 0; i< 8; i++) {
     vorm[i].c = color(random(0,200),random(0,255),random(0,255),100);
     vorm[i].sc = color(random(0,200),random(0,255),random(0,255),100);
     vorm[i].sw = n*0.7;}kleurzh = false}
     else {for (let i = 0; i< 8; i++){
     vorm[i].c  = color(random(0,200),random(0,255),random(0,155),200);
     vorm[i].sc = color(random(0,200),random(0,255),random(0,155),200);
     vorm[i].sw = n*0.7;} kleurzh = true;}}
 
  function buttonRAUAction(){if (rond) {strokeJoin(MITER); rond = false;}
    else {strokeJoin(ROUND);rond = true};} //rondingen aan /uit
  function buttonLAUAction() //lijn aan/uit
    {if (lijnau) {for(let i = 0; i<8; i++){vorm[i].sw = 0;}lijnau = false;}
    else {for(let i = 0; i<8; i++){vorm[i].sc=color(0);vorm[i].sw = height/500}lijnau = true}}
  function buttonBMAction()
    {if(blend){blend=false;} else {blend=true;}}
  function buttonDAction(){save('pentomino_F_X.png');}