Reference for Processing version 1.2. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.

Name

setup()

Examples
void setup() {
  size(200, 200);
  background(0);
  noStroke();
  fill(102);
}

int a = 0;

void draw() {
  rect(a++%width, 10, 2, 80); 
}
Description Called once when the program is started. Used to define initial enviroment properties such as screen size, background color, loading images, etc. before the draw() begins executing. Variables declared within setup() are not accessible within other functions, includingdraw(). There can only be one setup() function for each program and it should not be called again after it's initial execution.
Syntax
void setup() {
  statements
}
Parameters
statements any valid statements
Returns None
Usage Web & Application
Related loop()
size()
Updated on June 14, 2010 12:05:29pm EDT

Creative Commons License