Pinkballs everywhere

int numberCircle=175;

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float[] circleX =new float[numberCircle];

float[] circleY =new float[numberCircle];

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float[] velXcircleX=new float[numberCircle];

float[] velYcircleY=new float[numberCircle];

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void setup() {

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     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(20);

     velYcircleY[i] =random(15);

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   }

}

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void draw() {

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 background(0);

 fill(220,65,100);

 noStroke();

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

 {

 circleX[i]+=velXcircleX[i];

 circleY[i]+=velYcircleY[i];

 ellipse(circleX[i],circleY[i],10,10);

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 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];

 }

 }

}

​