My Bouncing Balls

int numCircle=5;

float []xPos= new float[numCircle];//explain what new int means

float []yPos= new float [numCircle];

float []xSpeed= new float[numCircle];

float []ySpeed= new float[numCircle];

float gravity=1;

​

​

void setup () {

  size (500, 500);

  smooth(); 

  noStroke(); 

  colorMode(RGB, 256);

  for (int apple = 0; apple < numCircle; apple++) {

    xPos[apple]=250;

    yPos[apple]=250;

    xSpeed[apple]=random(-2,2);

    ySpeed[apple]=random(-20,0);

  }

}

​

//missing arrays?

​

void draw() {

  background(255, 25, 0);

  fill(255, 105, 180, 200);

  for (int plum = 0; plum < numCircle; plum++) {

    if (xPos[plum] > width || xPos[plum]<0) {

      xSpeed[plum]=(xSpeed[plum]*-1); //-1 means you're subtracting number

    }

    if (yPos[plum] > height-25 || yPos[plum]<0) {

      if (yPos[plum]>height-25){

        yPos[plum]=height-25;}

      ySpeed[plum]=(ySpeed[plum]*-1);

    }

    ySpeed[plum]=ySpeed[plum]+gravity;

    xPos[plum]=xPos[plum]+xSpeed[plum];

    yPos[plum]=yPos[plum]+ySpeed[plum];

    ellipse (xPos[plum], yPos[plum], 50,50);

  }

​

}