a port of the Processing Visualization Language
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()

This reference is licensed under the CC BY-NC-SA 2.0 license:

Creative Commons License
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