pattern - OpenProcessing

sketch20622
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void setup () {
​
size (450, 450);
background (255);
smooth();
​
}
​
void draw () {
noStroke();
​
​
if (mousePressed) {
rectMode(CENTER);
​
for (int x = 10; x<width+50; x +=10) {
​
for (int y = 10; y<height+50; y+=20) {
  
fill (random(0,90), 0, random(0,255), 80);
​
rect (x, y, random(50,100),random(50,70));
​
fill (random(0,90), random(0,100), random(0,255), 40);
ellipse (x, y, 50, 50);
}
}
​
}
​
}                