float x1=0;
float y1=100;
float x2=0;
float y2=100;
float x3=100;
float y3=100;
float dist;

void setup() {
  size(200,200);
  ellipseMode(CENTER_DIAMETER);
}

void loop() {
  background(200,100,0);
  noStroke();
  fill(255,255,255);
ellipse(x1,y1, 20,20);
  x1+=(mouseX-x1)/20;
  y1+=(mouseY-y1)/20;
  fill(0,0,0);
ellipse(x2,y2, 20,20);
  x2+=(mouseX-x2)/90;
  y2+=(mouseY-y2)/90;
  fill(255,0,0);
ellipse(x3,y3, 20,20);  // wird von mouse abgestossen
  dist=sqrt((y3-mouseY)*(y3-mouseY)-(mouseX-x3)*(mouseX-x3));
if(dist<50) {
  x3+=(mouseX-x3)/20;
  y3+=(y3-mouseY)/20;
  
  //println(dist);
}

 // fill(120,120,120);
// ellipse(mouseX-5,mouseY-5, 20,20);
}