Example: My favorite cities

String[] cities = new String[5];
PFont font;


void setup() {
  size(1920, 1080); 
  cities[0] = "Paderborn";
  cities[1] = "Münster";
  cities[2] = "Amsterdam";
  cities[3] = "Lisbon";
  cities[4] = "Paris";
  font = createFont("sans.otf",1000);
}

void draw() {
  background(0);
  
  int index = int(map(mouseX,0,width,0,cities.length));
  
  float w = width/cities.length;
  
  noStroke();
  fill(#444444);
  rect(w*index,0,w,height);
  
  
  fill(#f1f1f1);
  push();
  translate(width/2,height/2);
  textFont(font);
  textSize(300);
  textAlign(CENTER,CENTER);
  text(cities[index],0,0);
  pop();
  fill(#ff0000);
  ellipse(mouseX,mouseY,40,40);
  rec();
}
copy

Source: timrodenbroeker.de

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