import java.awt.Rectangle;

// a particle with an ID, also a "goal" it moves to.
// The velocity manipulation allows the particle to neatly get somewhere

public class IDParticle extends Particle {
  public int id = -1;
  int xgoal, ygoal;
  public long lastTime;
  public final static boolean slideToGoal = false;
  public float hue;

  public IDParticle(Rectangle r, double ix, double iy, double ivx, double ivy, double iax, double iay, int n) {
    super(r, ix, iy, ivx, ivy, iax, iay);
    id = n;
  }

  public void setGoal(int newX, int newY) {
    xgoal = newX;
    ygoal = newY;
    vx = (xgoal - x) / 10;
    vy = (ygoal - y) / 10;
  }

  public void setTime(long t) {
    lastTime = t;
  }

  public void setHue(float h) {
    hue = h;
  }
  
  public void step(double t) {
    super.step(t);
    vx = (xgoal - x) / 6;
    vy = (ygoal - y) / 6;
  }
}