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| Line 316: | Line 316: | ||
|   } |   } | ||
| //gray scale the background and apply the masks on the city   | //gray scale the background and apply the masks on the city | ||
| void draw() { | void draw() { | ||
| Line 367: | Line 367: | ||
| } | } | ||
| //redraw a random tree when a key is pressed | //redraw a random tree when a key is pressed and reset the background | ||
| void keyPressed(){ | void keyPressed(){ | ||
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