Space Invaders Time (Ignore)

Space[] invader= new Space [50];
float t=0;

void setup(){
  size(500,500);
  for(int i=0; i<50; i=i+1){
    invader[i]= new Space();
  }
  t=0;
}

void draw(){
  background(0);
  for(int i=0; i<50; i=i+1){
    invader[i].display();
    invader[i].move();
    invader[i].caught();
  }
  textSize(12);
  text("Time:"+t,425,500);
  t=t+.0167;
}
class Space{
  float x;
  float y;
  float speed;
  Space(){
    x=random(25/2,975/2);
    y=random(-1000,-10);
    speed=.8;
  }
  void move(){
    y=y+speed;
  }
  void display(){
    ellipse(x,y,25,25);
  }
  void caught(){
    if(mousePressed==true){
     if(mouseX > x-12.5 && mouseX < x+12.5){
      if(mouseY > y-12.5 && mouseY < y+12.5){
    y=-1000;
    x=random(25/2,975/2);
    speed=speed+.1;

    }
  }
    }
  }
}