// All the public variables here are ugly, but I

// wanted Lights and Surfaces to be "friends"


class Light {

    public static final int AMBIENT = 0;

    public static final int DIRECTIONAL = 1;
    
	public static final int POINT = 2;



    public int lightType;

    public Vector3D lvec;           // the position of a point light or

                                    // the direction to a directional light

    public float ir, ig, ib;        // intensity of the light source



    public Light(int type, Vector3D v, float r, float g, float b) {

        lightType = type;

        ir = r;

        ig = g;

        ib = b;

        if (type != AMBIENT) {

            lvec = v;

            if (type == DIRECTIONAL) {

                lvec.normalize();

            }

        }

    }

}