ball_game - OpenProcessing

ball_game
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Ball[] ballArray;
// set a variable to change the number of balls
int numBalls = 10;
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void setup(){
  size(800, 800);
  
  ballArray = new Ball[numBalls];
  
  for(int i=0; i<ballArray.length; i++){
     ballArray[i] = new Ball();
  } 
}
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void draw(){
  background(0);
  for(int i=0; i < ballArray.length; i++){
     ballArray[i].update();
     ballArray[i].checkPos();
     ballArray[i].display();
  } 
}
​
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void mouseClicked(){
  for(int i=0; i<ballArray.length; i++){
     ballArray[i] = new Ball();
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  } 
}
​
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// Ball Class
class Ball {
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  // Every ball needs these values
  int posX;
  int posY;
  int speedX;
  int speedY;
  float size;
  
  color fillColor = color(255);
  
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  // create the ball object with starting values
  Ball() {
     posX = int(random(0,width));
     posY = int(random(0,height));
     speedX = int(random(1,10));
     speedY = int(random(1,10));
     size = random(10,100);
  }
  
  // move the ball and check its position
  void update() {
    posX += speedX;
    posY += speedY;
    
    if (posX >= width || posX <= 0) {
      speedX *= -1;
    }
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    if (posY >= height || posY <=0) {
      speedY *= -1;
    }
  }
  
  void checkPos() {
    if( dist(mouseX, width/2, posX, posY) < size/2) {
      fillColor = color(0);
    } 
  }
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  // draw the ball
  void display() {
    noStroke();
    fill(fillColor);
    ellipse( posX, posY, size, size );
    fill(220,250,10);
    ellipse(mouseX,width/2,size,size);
    
  }
  
}
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