Draft A* Walkers

var scaleFactor;

​

var gridX = 60;

var gridY = 40;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  ellipseMode(RADIUS);

  rectMode(CORNERS);

  scaleFactor = min(width/(gridX-1),height/(gridY-1))/1.2;

}

​

function draw() {

  background(100);

  translate(width/2,height/2);

  scale(scaleFactor,scaleFactor);

  translate(-(gridX-1)/2,-(gridY-1)/2);

  noFill();

  strokeWeight(1/(scaleFactor*2));

  // draw origin axes

  //line(-(windowWidth-10)/(scaleFactor*2),0,(windowWidth-10)/(scaleFactor*2),0);

  //line(0,-(windowHeight-10)/(scaleFactor*2),0,(windowHeight-10)/(scaleFactor*2));

  for (let i = -0.5; i < gridX+0.5; i++) {

    line(i,-0.5,i,gridY-0.5);

  }

  for (let i = -0.5; i < gridY+0.5; i++) {

    line(-0.5,i,gridX-0.5,i);

  }

  fill(150);

  // TODO: add noise to this

  for (let i = 0; i < gridX; i++) {

    for (let j = 0; j < gridY; j++) {

      let e = gridX/2.1- abs(i-gridX/2+0.5);

      let f = gridY/2.1- abs(j-gridY/2+0.5);

      fill(min(e,f)>0? 255: 0);

      //fill(noise(i/12,j/12)*200);

      circle(i, j, 0.5);

    }

  }

​

}