// Learning Processing // Daniel Shiffman // http://www.learningprocessing.com // Example 6-8: Lines one at a time // No for loop here. Instead, a global variable. int y = 0; void setup() { size(480, 270); background(255); // Slowing down the frame rate so we can easily see the effect. frameRate(5); } void draw() { // Draw a line stroke(0); // Only one line is drawn each time through draw(). line(0,y,width,y); // Increment y y += 10; // Reset y back to 0 when it gets to the bottom of window if (y > height) { y = 0; } }