PImage smilie;
float angle;
float omega;
NUMBER_INPUT speedInput;
PFont font;
byte fontConstant;
BUTTONS directionButton;
boolean rightSpin;
DROP_DOWN effectsMenu;
byte effect;

void setup(){
  size(660,400);
  smilie = loadImage("smilie.png");
  imageMode(CENTER);
  angle=1;
  speedInput = new NUMBER_INPUT(0, height-40, 50, 40,"dFieta/dFrame (Degress)", 2, color(255), color(200), color (255,0,0));
  font = loadFont("CourierNewPSMT-37.vlw");
  textFont(font,37);
  omega=0;
  fontConstant = 30;
  directionButton = new BUTTONS(550, 5, "-/+", color(255), color (255,0,0), 40, 80);
  rightSpin = true;
  
  effect=0;
  String [] effectsArray;
  effectsArray = new String [7];
  effectsArray[0] = "None";
  effectsArray[1] = "Red";
  effectsArray[2] = "Green";
  effectsArray[3] = "Blue";
  effectsArray[4] = "Yellow";
  effectsArray[5] = "Purple";
  effectsArray[6] = "Orange";
  effectsMenu = new DROP_DOWN(440, 50, 200, 40, 0, effectsArray, color(255), color(200), color(255,0,0));
}

void draw(){
  
  background(255);
  
  //ctints
  if (effect == 1){
    tint(255,0,0);
  }
  else if (effect == 2){
    tint(0,255,0);
  }
  else if (effect == 3){
    tint(0,0,255);
  }
  else if (effect == 4){
    tint(255,255,0);
  }
  else if (effect == 5){
    tint(255,0,255);
  }
  else if (effect == 6){
    tint(255,122,0);
  }
  else {
    tint(255,255,255);
  }
  
  //draw smilie
  pushMatrix();
  translate(150,150);
  rotate(angle);  
  image(smilie,0,0,300,300);
  popMatrix();
  
  //return tint to normal
  tint(255,255,255);
  
  //Direction of the roatation and add to previous angle
  if (rightSpin==true){
    angle+=omega;
  }
  else {
    angle-=omega;
  }
  
  if (angle>=TWO_PI){
    angle-=TWO_PI;
  }
  if (angle<=-TWO_PI){
    angle+=TWO_PI;
  }
  
  //Draw components
  speedInput.display();
  if (speedInput.acceptKeyboard==false){
    omega = radians(speedInput.return_value());
  }
  
  fill(0);
  text("Direction:",320,5+fontConstant);
  directionButton.display();
  
  fill(0);
  text("Tint:",320, 50+fontConstant);
  effectsMenu.display();
  
  status("Frame Rate: "+str(int(frameRate))+" Frames per second");
}