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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