glitch - OpenProcessing

mySketch
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//Variables
int numRects = 40; 
//Rect
float[]rectx = new float [numRects];
float[]recty = new float [numRects];
float[]rectW = new float [numRects];
float[]rectH = new float [numRects]; 
float [] rectspeedx = new float [numRects]; 
float [] rectspeedy = new float [numRects];
//color
color [] Colorchangerect = new color[numRects];
​
// circles all
​
//Variable
int numCircs = 140; 
//Ball
float[] ballx = new float [numCircs];
float[] bally = new float [numCircs];
float[] ballW = new float [numCircs];
float[] ballH = new float [numCircs]; 
float [] circspeedx = new float [numCircs]; 
float [] circspeedy = new float [numCircs];
​
//color
color [] Colorchangecirc = new color[numCircs];
​
​
void setup () {
  size (400, 400);
​
  for (int i = 0; i < numRects; i++) {
    recty[i] = random(height);
    rectx[i] = random(width);
​
    rectW[i] = random(100);
    rectH[i] = random(100);
​
    rectspeedx[i]=  random(100);
    rectspeedy[i]=  random(100);
​
    Colorchangerect[i] = color(random(255), random(255), random(0));
  }
​
​
  for (int i = 0; i < numCircs; i++) {
    bally[i] = random(height);
    ballx[i] = random(width);
​
    ballW[i] = random(100);
    ballH[i] = random(100);
​
    circspeedx[i]= random(5);
    circspeedy[i]= random(5);
​
    Colorchangecirc[i] = color(random(255), random(255), random(255));
  }
}
void draw () {
​
  background(0);
  stroke(1);
  
  // all circles
  for (int c = 0; c < numCircs; c++) {
    fill ( Colorchangecirc[c]);
    ellipse (ballx[c], bally[c], 30, 30); 
    ballx[c]= ballx[c] + circspeedx[c];
     bally[c]= bally[c] + circspeedy[c];
    
    if ( (ballx[c] >width) || (ballx[c] < 10) ) {
      circspeedx[c] = circspeedx[c] * -1;
      if ((bally[c] > height) || (bally[c] < 10) ) {
        circspeedy[c] = circspeedy[c] * -1;
      }
    }
  }
  
  //all rects
  for (int c = 0; c < numRects; c++) {
    fill(Colorchangerect[c]);
    rect (rectx[c], recty[c], 50, 50);   
    if ( (rectx[c] >width) || (rectx[c] < 10) ) {
      rectspeedx[c] = rectspeedx[c] * -1;
      if ( (recty[c] > height) || (recty[c] < 10) ) {
        rectspeedy[c] = rectspeedy[c] * -1;
      }
    }
  }
}
void mousePressed() {
  for (int i = 0; i < numRects; i++) { 
    Colorchangerect[i] = color(random(255), random(255), 0);
  }
  for (int i = 0; i < numCircs; i++) { 
    Colorchangecirc[i] = color(random(255), 0, random(255));
  }
}