Files
processing4/java/examples/Topics/File IO/SaveFile2/SaveFile2.pde
2011-09-05 23:58:47 +00:00

35 lines
827 B
Plaintext

/**
* SaveFile 2
*
* This file a PrintWriter object to write data continuously to a file
* while the mouse is pressed. When a key is pressed, the file closes
* itself and the program is stopped. This example won't work in a web browser
* because of Java security restrictions.
*/
PrintWriter output;
void setup()
{
size(200, 200);
// Create a new file in the sketch directory
output = createWriter("positions.txt");
frameRate(12);
}
void draw()
{
if (mousePressed) {
point(mouseX, mouseY);
// Write the coordinate to a file with a
// "\t" (TAB character) between each entry
output.println(mouseX + "\t" + mouseY);
}
}
void keyPressed() { // Press a key to save the data
output.flush(); // Write the remaining data
output.close(); // Finish the file
exit(); // Stop the program
}