millis()

Description

Returns the number of milliseconds (thousandths of a second) since starting the program. This information is often used for timing events and animation sequences.

Related

• second()
• minute()
• hour()
• day()
• month()
• year()

Example

void draw() {
  int m = millis();
  noStroke();
  fill(m % 255);
  rect(25, 25, 50, 50);
}