Mouse Game

float m = random(540);

float n = random(220);

int dim = 50;

void setup(){

size(640,320);

rectMode(CENTER);

}

void draw(){

  background(0);

  fill(0,200,200);

  rect(m,n,dim*2,dim*2);

  textSize(24);

  fill(255);

  text("Mouse",m-dim*4/5,n);

  text("Here",m-dim*4/5,n+dim/2);

  int x = mouseX;

  int y = mouseY;

  if((x>m-dim)&&(x<m+dim)&&(y>n-dim)&&(y<n+dim)){

    background(0);

    m = random(640);

    n = random(320);

  }

}