import processing.core.*;
import peasycam.*;

class Flight {
  PVector origin;
  PVector destination;
}

public class FlightAnimation extends PApplet {

  float radius = 150;
  PeasyCam cam;
  PVector lightPosition = new PVector(300, 300, 200);
  Flight flight;
  PVector target;  // Target point for "fly to" animation

  void setup() {
    size(600, 600, P3D);
    cam = new PeasyCam(this);
    background(0);
    smoothLighting();

    // Define flight data (Moscow to Washington coordinates are estimates)
    flight = new Flight();
    flight.origin = new PVector(0, radius * sin(radians(55.75)), radius * cos(radians(55.75)));  // Moscow (latitude, longitude)
    flight.destination = new PVector(0, radius * sin(radians(38.90)), radius * cos(radians(38.90)));  // Washington (latitude, longitude)

    // Define target point (replace with your desired coordinates)
    target = flight.destination;  // Initially target the flight destination
  }

  void draw() {
    pointLight(255, 255, 255, lightPosition.x, lightPosition.y, lightPosition.z);
    noStroke();
    fill(200);
    sphere(radius);

    // Draw flight path
    stroke(255);
    strokeWeight(2);
    line(flight.origin.x, flight.origin.y, flight.origin.z, flight.destination.x, flight.destination.y, flight.destination.z);

    // Simple plane at origin (replace with your plane model)
    pushMatrix();
    translate(flight.origin.x, flight.origin.y, flight.origin.z);
    rotateX(HALF_PI);  // Adjust rotation for desired plane orientation
    box(10, 20, 5);  // Replace with your plane dimensions
    popMatrix();

    // "Fly to" animation (comment out for a simple rotation)
    // float angleX = lerp(cam.getRotationX(), atan2(target.z, target.x), 0.01f);
    // float angleY = lerp(cam.getRotationY(), asin(target.y / radius), 0.01f);
    // cam.setRotation(angleX, angleY);

    // Simple rotation animation (uncomment for basic rotation)
    float angle = frameCount * 0.01f;
    rotateY(angle);
  }
}