import java.awt.*;
import java.awt.geom.*;
import physics2D.*;

public class SpaceShip extends Object2D implements Drawable
{

    private double thrust = 100;
    private double angularThrust = 4;
    private int thrustOn = 0;
    private int angularThrustOn = 0;
    private int damage = 0;
    private Shape shipShape = new Polygon(
        new int[] {  54, 108, 100, 141,  85,  73, 106,  89,  80,  40,  54, -54, -40, -80, -89,-106, -73, -85,-141,-100,-108, -54},
        new int[] { -89,   3,  18,  89,  89,  69,  69,  38,  53,  53,  75,  75,  53,  53,  38,  69,  69,  89,  89,  18,   3, -89},
        22);
    private Shape thrustShape = new Polygon(
        new int[] {  44, -44,   0},
        new int[] {  65,  65, 200},
        3);
    private Color shipColor = new Color(109,192,255);
    private Color thrustColor = new Color(255,242,23);

    public SpaceShip(Vector2D position, double scale)
    {
        super(110 * scale, 1);

        AffineTransform scaleT = AffineTransform.getScaleInstance(scale, scale);
        shipShape = scaleT.createTransformedShape(shipShape);
        thrustShape = scaleT.createTransformedShape(thrustShape);

        angle = Math.PI;

        move(position);
    }

    public void move(Vector2D m)
    {
        AffineTransform translate = AffineTransform.getTranslateInstance(m.getXComponent(), m.getYComponent());
        shipShape = translate.createTransformedShape(shipShape);
        thrustShape = translate.createTransformedShape(thrustShape);
        super.move(m);
    }

    public void rotate(double r)
    {
        AffineTransform rotate = AffineTransform.getRotateInstance(r, position.getXComponent(), position.getYComponent());
        shipShape = rotate.createTransformedShape(shipShape);
        thrustShape = rotate.createTransformedShape(thrustShape);
        super.rotate(r);
    }

    public Vector2D getAcceleration()
    {
        return new Vector2D(thrustOn * thrust, angle);
    }

    public double getAngularVelocity()
    {
        return angularThrustOn * angularThrust;
    }

    public Shape[] getShapes()
    {
        if (thrustOn != 0)
            return new Shape[] {shipShape, thrustShape};
        else
            return new Shape[] {shipShape};
    }

    public Color[] getColors()
    {
        if (thrustOn != 0)
            return new Color[] {shipColor, thrustColor};
        else
            return new Color[] {shipColor};
    }

    public void thrusterOn()
    {
        thrustOn = 1;
    }

    public void thrusterOff()
    {
        thrustOn = 0;
    }

    public void turnLeft()
    {
        angularThrustOn = -1;
    }

    public void turnRight()
    {
        angularThrustOn = 1;
    }

    public void stopTurn()
    {
        angularThrustOn = 0;
    }

}