threebodydemo2.pde

// The window size
int winW = 600;
int winH = 600;

// Angle starting point
int angle = 0;

void settings() {
  size(winW, winH, P3D);
}

void setup() {
  strokeWeight(0);
  noStroke();
}

void draw() {
  background(#ffffff);

  // Big blue ball
  int diameter = 200;
  float xcoord = (float(winW) / 2);
  float ycoord = (float(winH) / 2);
  fill(0, 0, 255);
  ellipse(xcoord, ycoord, diameter, diameter);

  // Male the bar red
  fill(255, 0, 0);

  // Line 1
  int a1 = angle + 10;
  float xcoord2 = sin(radians(a1)) * (diameter * -1) + xcoord;
  float ycoord2 = cos(radians(a1)) * (diameter * -1) + ycoord;
  float xcoord3 = sin(radians(a1)) * (diameter) + xcoord;
  float ycoord3 = cos(radians(a1)) * (diameter) + ycoord;

  // Line 2
  int a2 = angle - 10;
  float xcoord4 = sin(radians(a2)) * (diameter * -1) + xcoord;
  float ycoord4 = cos(radians(a2)) * (diameter * -1) + ycoord;
  float xcoord5 = sin(radians(a2)) * (diameter) + xcoord;
  float ycoord5 = cos(radians(a2)) * (diameter) + ycoord;

  // Spinning bar
  quad(xcoord2, ycoord2, xcoord4, ycoord4, xcoord3, ycoord3, xcoord5, ycoord5);

  // Keeps track of the angle
  angle+=1;
  if (angle >= 360) {
    angle = 0;
  }
}