when starting my script I want to capture an image from my webcam. 

When pressing my mouse I want the image to be "freezed". When clicking the mouse again it should play again. 

Right now it starts playing, but as soon as I stopped the capturing for the first time it doesn't play again. 

2. import processing.video.*;
3. Capture myCapture;
4. boolean photo = true; 
5. void setup() 
6. {
7.   size(screen.width, screen.height);
8.   myCapture = new Capture(this, width, height, 30);
9. }
10. 
    
11. void captureEvent(Capture myCapture) {
12. 
    
13.   myCapture.read();
14. }
15. 
    
16. void draw() {
17.   image(myCapture, 0, 0);
18.   filter(GRAY);
19. }
20. 
    
21. void mouseReleased() {
22.   if (photo == true) {
23.     myCapture.stop();
24.     photo = false;
25.   }
26.   else if (photo == false) {
27.     myCapture.read();
28.     photo=true;
29.   }
30. }