cells

int numberCircle=85;

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float[] circleX =new float[numberCircle];//the array must come before the circleX wich is the variable//

float[] circleY =new float[numberCircle];//we need X and Y because its random //

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float[] velXcircleX=new float[numberCircle];//now we are creating how fast the ball is goin gto move//

float[] velYcircleY=new float[numberCircle];

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void setup() {

      size(500,500); 

      for(int i=0; i<numberCircle; i++){

      circleX[i] =random(10,width-10);

      circleY[i] =random(10,width-10);

      velXcircleX[i] =random(3);

      velYcircleY[i] =random(3);

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    }

}

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void draw() {

  smooth();

  background(240,185,2);

  noStroke();

  for(int i=0;i<numberCircle;i++)

  {

  circleX[i]+=velXcircleX[i];

  circleY[i]+=velYcircleY[i];

  ellipse(circleX[i],circleY[i],20,20);

  fill(255, 90, 13, 95); //yellow

  circleX[i]+=velXcircleX[i];

  circleY[i]+=velYcircleY[i];

  ellipse(circleX[i],circleY[i],50,50);

  if((circleX[i]<=0)||(circleX[i]>=width-10)) {

    velXcircleX[i]=-velXcircleX[i];

  }

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  if((circleY[i]<=0)||(circleY[i]>=height-10)) {

    velYcircleY[i]=-velYcircleY[i];

  }

 }

}

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