Double Random
/**
* Double Random
* by Ira Greenberg.
*
* Using two random() calls and the point() function
* to create an irregular sawtooth line.
*/
int totalPts = 300;
float steps = totalPts + 1;
void setup() {
size(640, 360);
stroke(255);
frameRate(1);
}
void draw() {
background(0);
float randVal = 0.0f;
for (int i = 1; i < steps; i++) {
point((width / steps) * i,
(height / 2.0f) + random(-randVal, randVal));
randVal += random(-5.0f, 5.0f);
}
}