1 

     2 void setup() {

     3 	size( 510, 510 );

     4 	smooth();

     5 

     6 	background( 200 );

     7 }

     8 

     9 void draw() {

    10 	if ( mousePressed ) {

    11 		rects(1);

    12 	}

    13 	else {

    14 		rects(0);

    15 	}

    16 }

    17 

    18 void rects( int rand ) {

    19 	int cwidth = 50;

    20 	int cheight = 50;

    21 

    22 	int curwidth = cwidth-(cwidth/5);

    23 	int curheight = cheight-(cwidth/5);

    24 

    25 	noStroke();

    26 

    27 	for ( int y = cheight/5; y <= height; y += cheight ) {

    28 		for ( int x = cwidth/5; x <= width; x += cwidth ) {

    29 			if ( rand == 1 ) {

    30 				fill( random(180,220) );

    31 			} 

    32 			else {

    33 				fill( 210 );

    34 			}

    35 

    36 			if ( (mouseX > x) && (mouseX < x + curwidth) &&

    37 					(mouseY > y) && (mouseY < y + curheight) ) { 

    38 

    39 				// mouse is inside rectangle

    40 			}

    41 			else {

    42 				rect( x, y, curwidth, curheight );

    43 			}

    44 		}

    45 	}

    46 }

    47