[SOLVED] How do you individually rotate objects in a grid?

Processing Coding Questions
2

but that is the right way:

//Grid data
int w = 500;
int h = 500;
int scl = 50;

int cols = w/scl;
int rows = h/scl;

int index = cols*rows;

//Object data
Object[] thing = new Object[index];

void setup() {
  size(500, 500);
  int k = 0;

  for (int y = 0; y<rows; y++) {
    for (int x = 0; x<cols; x++) {
      thing[k] = new Object((scl/2)+(x*scl), (scl/2)+(y*scl), k*2.7, (x+y)*2, random(PI));
      k++;
      println(k);
    }
  }
}

void draw() {
  background(0);

  for (int i = 0; i < index; i++) {
    thing[i].showObject();
  }
}


class Object {
  float x;
  float y;
  float size;
  float col;
  float boost = 0.1;

  float rot = 1;


  PVector loc;
  PVector rotation;
  PVector center;


  Object(float _x, float _y, float _col, float _size, float _rot) {

    rot = _rot;
    x = _x;
    y = _y;
    size = _size;
    col = _col;
  }

  void showObject() {
    rectMode(CENTER);
    fill(255);
    //stroke(255);
    noStroke();
    pushMatrix();
    translate(x,y);
    rotate(rot);
    rect(0, 0, size, size);
    popMatrix();
  }
}
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