#include <DigiMouse.h>

void setup() {
  DigiMouse.begin(); //start or reenumerate USB - BREAKING CHANGE from old versions that didn't require this
}


int step = 0;
double stepsize = PI / 100;
int oldx = 0;
int oldy = 0;
int rad = 100;

void loop() {
  int x = (cos(stepsize * step) * rad);
  int y = (sin(stepsize * step) * rad);

  DigiMouse.moveY(y - oldy);
  DigiMouse.moveX(x - oldx);
  DigiMouse.update();

  oldx = x;
  oldy = y;

  step ++;
  if (step == 201)//less operations than modulo and we need that calculation power!
    step = 0;
  delay(5);
}