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int incrementX = 20;int incrementY = 20;int largeurRect;
void setup() { size( 400, 400); background( #45FF12);}
void draw() {
background( 255);
for( int i=0; i < width; i = i + incrementX) { for( int j=0; j < height; j = j + incrementY) {
stroke( 215, 150, (i+j)/2 ); strokeWeight( 4); noFill();
int tailleCercle = mouseX; ellipse( i, j, tailleCercle, tailleCercle); } }}