Processing Examples

rotatePShapeObject.pde

PShape ship;
PVector loc, vel;
int shipWidth, shipHeight;
float angle;

void setup() {
  size(400,400);
  ship = loadShape("ship.svg");
  loc = new PVector(width/2, height/2);
  vel = new PVector(0,1);
  shipWidth = 20;
  shipHeight = 30;
  angle = 1;
  //shapeMode(CENTER);
  frameRate(30);
  smooth();
}

void draw() {
  background(0);
  stroke(255,255,0);
  strokeWeight(10);
  point(loc.x, loc.y);
  
  shape(ship, loc.x, loc.y, shipWidth, shipHeight);
  pushMatrix();
  //translate(loc.x, loc.y);
  ship.rotate(radians(angle));
  
  popMatrix();
  
  println(angle + ": "+radians(angle));

}

Rotating_Planets.pde

int sunSize, earthSize, moonSize;
float r;

void setup() {
  size(800,800);
  sunSize = 200;
  earthSize = 100;
  r =0.01;
  ellipseMode(CENTER);
}

void draw() {
  background(255);
  pushMatrix();
  translate(width/2,height/2);
  rotate(radians(r/10));
  
  fill(255, 255, 0);
  ellipse(0,0,sunSize,sunSize);
  
  fill(0, 0, 200);
  ellipse(sunSize, sunSize, earthSize,earthSize);
  
  pushMatrix();
  translate(sunSize, sunSize);
  rotate(radians(r*20));
  fill(200);
  ellipse(earthSize/2+20, earthSize/2+20, 10,10);
  popMatrix();
  
  r+=1;
  popMatrix();
}