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Index
 
  The Processing 1.0 _ALPHA_ Reference is a work in progress.
If you see any errors or have any comments, please write to: reas at groupc.net
Name  

keyPressed()

   
Examples  
// Click on the image to give it focus, 
// and then press any key 
 
int value = 0; 
 
void loop() { 
  fill(value); 
  rect(25, 25, 50, 50); 
} 
 
void keyPressed() 
{ 
  if(value == 0) { 
    value = 255; 
  } else { 
    value = 0; 
  } 
} 
Description   The keyPressed() function is called once every time a key is pressed. As a general rule, nothing should be draw within the keyPressed() block.
   
Syntax  
void keyPressed() { 
  statements
}
   
Returns   None
   
Usage   Web & Application
   
Related   keyPressed
key
keyCode
keyReleased()
   
© 2004 - 2001 Massachusetts Institute of Technology and Interaction Design Institute Ivrea
Processing is an open project initiated by Ben Fry and Casey Reas