Glitch - OpenProcessing

mySketch
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//number of rectangles
int rectNum = 50;
//circles
int circNum = 40;
​
//randomising location
float[] rectX = new float[rectNum];
float[] rectY = new float[rectNum];
float[] rectW = new float[rectNum];
float[] rectH = new float[rectNum];
​
float[] circX = new float[circNum];
float[] circY = new float[circNum];
float[] circD = new float[circNum];
​
//randomising color
color[] rectColor = new color[rectNum];
color[] circColor = new color[circNum];
​
void setup() {
  size(500,600);
  
  //rectangles at random places
  for (int i = 0; i<rectNum; i = i+1) {
    rectX[i] = random(width);
    rectY[i] = random(height);
    rectW[i] = random(50);
    rectH[i] = random(60);
    rectColor[i] = color( random(255), random(255), random(255));
  }
    //circles
    for (int i = 0; i<circNum; i = i+1){
      circX[i] = random(width);
      circY[i] = random(height);
      circD[i] = random(40);
      circColor[i] = color( random(255), random(255), random(255));
  }
}
​
void draw() {
  background(160,3,32);
  int m = millis();
  noStroke();
  //rect
  fill(m % 255);
  for (int i = 0; i<rectNum; i++) {
     rectX[i] = random(width);
    rectY[i] = random(height);
    rectW[i] = random(50);
    rectH[i] = random(60);
    rectColor[i] = color( random(255), random(255), random(255));
    rect (rectX[i], rectY[i], rectW[i], rectH[i]);
  }
    //circ
    fill(m % 240);
    for (int i = 0; i<circNum; i++) {
       circX[i] = random(width);
      circY[i] = random(height);
      circD[i] = random(40);
      circColor[i] = color( random(255), random(255), random(255));
      ellipse (circX[i], circY[i], circD[i], circD[i]);
       }
      //text
      fill(m % 230);
      String [] Message = new String [2];
      Message[0] = "WARNING";
      Message[1] = "ERROR";
      textSize(20);
      text (Message [int(random(Message.length))], random(width),random(height));
      
    
    frameRate(8);
}