import graphics.*;
import java.awt.Event;

public class hw9 extends ThreeDApplet
{
  Quadratic unitSphere;
  Quadratic unitTube;
  Shape[] hemisphere;
  Shape[] cylinder;
  Animation upDown;

  public void initialize()
  {
    super.initialize();

    F = 3; //focal length

    upDown = new Animation(4);
    upDown.linear = false;
    upDown.addKeyFrame(0, -3);
    upDown.addKeyFrame(8,  5);
    upDown.addKeyFrame(8,  5);
    upDown.addKeyFrame(20, -3);


    shapes = new Shape[3];

    unitSphere = new Sphere(new Vector3(0, 0, 0), 1);
    //x2 + y2 - 1
    unitTube = new Quadratic(1, 1, 0, 0,0,0, 0,0,0, -1);

    Plane top = new Plane(0,  1, 0, -1); //y < 1
    Plane bot = new Plane(0, -1, 0, -1); //y > -1

    //hemisphere may move, but relationship between elements stay same
    hemisphere = new Shape[2];
    hemisphere[0] = unitSphere.deepCopy();
    push();
      translate(0, 0, -5);
      transform(hemisphere[0]);
    pop();

    hemisphere[1] = bot;
    push();
      translate(0, 0.75, 0);
      transform(hemisphere[1]);
    pop();

    //hemisphere[2] = top;
    //push();
    //  translate(0, -0.75, 0);
    //  transform(hemisphere[2]);
    //pop();

    cylinder = new Shape[3];
    cylinder[0] = unitTube.deepCopy();
    cylinder[1] = new Plane(0, 0, 1, -1);
    cylinder[2] = new Plane(0, 0, -1, -1);

    push();
      translate(0, 3, -15);
      rotateX(Math.PI/3);
      for (int i=0; i< cylinder.length; i++)
        transform(cylinder[i]);
    pop();

    lights = new Light[3];

    //lights[0] = new Light(0, 2, 5);
    lights[0] = new Light(0, 0, 1); //shining towards camera (illuminates off-camera sphere)
    lights[0].setColor(100, 100, 100);
    lights[1] = new Light(0, -1, -1);
    lights[1].setColor(255, 255, 255);
    lights[2] = new Light(0, 0, -1);
    lights[2].setColor(100, 100, 100);

    ambient[0] = ambient[1] = ambient[2] = 30;
  }

  public void animate(long time)
  {
    //semicircle
    shapes[0] = new ConvexIntersection(hemisphere);
    shapes[0].setDiffuse(25, 25, 175);
    shapes[0].setSpecular(10, 0, 0, 150);
    shapes[0].reflectiveness = 0.75;
    shapes[0].refIndex = 1.1;
    shapes[0].transparency = 0.5;

    //egg shape
    shapes[1] = unitSphere.deepCopy();
    shapes[1].setDiffuse(50, 125, 125);
    shapes[1].setSpecular(30, 100, 100, 100);
    shapes[1].reflectiveness = 1;

    //off-camera sphere, but still has a presence
    shapes[2] = unitSphere.deepCopy();
    shapes[2].setDiffuse(0, 255, 255);
    shapes[2].setSpecular(30, 255, 255, 255);

    /*
    shapes[3] = new ConvexIntersection(cylinder);
    shapes[3].setDiffuse(0, 75, 75);
    shapes[3].setSpecular(3, 75, 75, 75);
    */

    //egg
    push();
      //translate(0, 0, -0.0001 * time);
      translate(0, 0, -6);
      rotateY(Math.PI/4);
      rotateZ(0.0001 * time);
      scale(0.6, 0.35, 0.6);
      transform(shapes[1]);
    pop();

    push();
      translate(0, -1.25, 5);
      translate(0, upDown.get(0.001*time), 0); //move up and down
      transform(shapes[2]);
    pop();
  }

  //event handling
  public boolean keyDown(java.awt.Event evt, int key) {
    switch (key)
    {
      case Event.UP:
        doReflections = true;
        break;
      case Event.DOWN:
        doReflections = false;
        break;
      case Event.RIGHT:
        doRefraction = true;
        break;
      case Event.LEFT:
        doRefraction = false;
        break;
    }

    return true;
  }
}