Processing Advent Calender 2014

Advent2014.pde

import ketai.sensors.*;

KetaiSensor sensor;
float x, y, z, r;
float vx, vy, vz;
void setup(){
  sensor = new KetaiSensor(this);
  sensor.start();
  orientation(LANDSCAPE);
  x = width/2;
  y = height/2;
}

void draw(){
  background(255, 32);
  
  vx = cos(radians(r))*6;
  vy = sin(radians(r))*6;
  
  x += vx;
  y += vy;
  fill(0, 255, 255, 192);
  noStroke();
  ellipse(x, y, 96, 96);
}

void onAccelerometerEvent(float x, float y, float z){
  r += y*2.0;
}