Reference for Processing version 1.0+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name

constrain()

Examples
void draw() 
{ 
  background(204);
  float mx = constrain(mouseX, 30, 70);
  rect(mx-10, 40, 20, 20);
}
Description Constrains a value to not exceed a maximum and minimum value.
Syntax
constrain(value, min, max)
Parameters
value int or float: the value to constrain
min int or float: minimum limit
max int or float: maximum limit
Returns float or int (depending on the input values)
Usage Web & Application
Related max()
min()
Updated on November 22, 2008 08:39:25pm PST

Creative Commons License