public void setup() {
size(1024, 768);
background(0);
frameRate(30);
smooth();
drawVectors = false;
paused = true;
timeline = new Timeline();
sim = new GravitySimulation();
sun = new Star(5000, 25, new PVector(300, 500), new PVector(0, 0), 0, "sun");
planet = new Planet(10, 10, new PVector(500, 500), new PVector(0, 40), "planet");
planet2 = new Planet(50, 10, new PVector(150, 500), new PVector(0, -40), "planet2");
timeline.registerStatefulObject(sun);
timeline.registerStatefulObject(planet);
timeline.registerStatefulObject(planet2);
controlP5 = new ControlP5(this);
btnRewind = controlP5.addButton("btnRewind_OnClick", 0, 800, 20, 50, 20);
btnRewind.setLabel("Rewind");
btnPlayPause = controlP5.addButton("btnPlayPause_OnClick", 0, 860, 20, 50, 20);
btnPlayPause.setLabel("Play");
btnFastForward = controlP5.addButton("btnFastForward_OnClick", 0, 920, 20, 80, 20);
btnFastForward.setLabel("Fast Forward");
sliderTimeline = controlP5.addSlider("sliderTimeline_OnClick", 0, 10000, 0, 20, 720, 900, 10);
sliderTimeline.setLabel("Timeline");
}
// Event Handlers
public void btnPlayPause_OnClick(int theValue) {
paused = !paused;
if (paused) btnPlayPause.setLabel("Play");
else btnPlayPause.setLabel("Pause");
}