using Microsoft.Xna.Framework;

namespace BouncyCatIsBouncy
{
    class Track
    {
        Curve2D m_curve = new Curve2D();
        float m_position = .5f;

        const float POSITION_DELTA = .00025f;
        public Track()
        {
            m_curve.AddPosition(0.0f, new Vector2(50, 420));
            m_curve.AddPosition(0.5f, new Vector2(100, 670));
            m_curve.AddPosition(1.0f, new Vector2(150, 670));
        }

        public Vector2 GetCurrentPosition()
        {
            return m_curve.Evaluate(m_position);
        }

        public void MoveLeft(float dt)
        {
            m_position -= POSITION_DELTA * dt;
        }

        public void MoveRight(float dt)
        {
            m_position += POSITION_DELTA * dt;
        }
    }
}