randomSeed() Math Random Web & Application randomSeed(0); for(int i=0; i<100; i++) { float r = random(0, 255); stroke(r); line(i, 0, i, 100); } Sets the seed value for random(). By default, random() produces different results each time the program is run. Set the value parameter to a constant to return the same pseudo-random numbers each time the software is run. random(value); int None random() noise() noiseSeed() 1.0 Function Core Extended