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void setup()
{
size(500,500);
background(255);
}
void draw()
{
background(255);
float Kreisex = map (mouseX, 0, 500, 0, 250);
fill(255,0,0);
noStroke();
rect(225,225,50,50);
fill(0);
ellipse(45+Kreisex/1.2195122,250-Kreisex/5,50,50);
ellipse(325-Kreisex/10,25+Kreisex/1.11111,50,50);
ellipse(450-Kreisex/1.25,400-Kreisex/2.5,50,50);
ellipse(30+Kreisex/1.47058824,460-Kreisex/1.19047619,50,50);
}